🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.76 AU

Year: 210 Days

Day: 42.8 Hours

Environment

Temp: 185 °C

Axial Tilt: 34.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.83 AU - 1.01 AU

Year: 338 Days

Day: 27.5 Hours

Environment

Temp: 27 °C

Axial Tilt: 47.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,067,084 km

• M1: 48,470 km (0.067 R)
• M2: 757,863 km (0.049 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.94 AU - 0.94 AU

Year: 349 Days

Day: 18.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 46.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 68,067,084 km

• M1: 258,206 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.61 AU - 2.01 AU

Year: 932 Days

Day: 43.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,067,084 km

• M1: 249,080 km (0.081 R)
• M2: 575,054 km (0.08 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.59 AU - 2.63 AU

Year: 1174 Days

Day: 24.4 Hours

Environment

Temp: -84 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.4

Radius: 13

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.62 AU - 5.28 AU

Year: 3594 Days

Day: 10.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 68,067,084 km

• M1: 188,493 km (0.089 R)
• M2: 425,456 km (0.032 R)
• M3: 590,014 km (0.106 R)
• M4: 750,981 km (0.092 R)
• M5: 1,022,202 km (0.069 R)
• M6: 1,108,969 km (0.112 R)
• M7: 1,198,429 km (0.119 R)
• M8: 1,373,308 km (0.077 R)
• M9: 1,658,592 km (0.111 R)
• M10: 1,841,699 km (0.07 R)
• M11: 2,300,366 km (0.112 R)
• M12: 2,402,392 km (0.081 R)
• M13: 2,732,854 km (0.039 R)
• M14: 2,856,721 km (0.048 R)
• M15: 3,371,338 km (0.115 R)
• M16: 3,471,119 km (0.108 R)
• M17: 3,673,675 km (0.098 R)
• M18: 4,269,074 km (0.03 R)
• M19: 4,431,687 km (0.105 R)
• M20: 4,578,144 km (0.109 R)
• M21: 4,744,796 km (0.118 R)
• M22: 5,141,529 km (0.085 R)
• M23: 5,353,659 km (0.105 R)
• M24: 5,529,436 km (0.109 R)
• M25: 5,628,021 km (0.08 R)
• M26: 6,395,758 km (0.119 R)
• M27: 6,499,130 km (0.063 R)
• M28: 6,728,912 km (0.059 R)
• M29: 7,110,536 km (0.066 R)
• M30: 7,304,116 km (0.065 R)
• M31: 7,412,275 km (0.098 R)
• M32: 7,521,183 km (0.107 R)
• M33: 8,570,013 km (0.058 R)
• M34: 8,730,083 km (0.087 R)
• M35: 9,076,701 km (0.082 R)
• M36: 9,783,402 km (0.097 R)
• M37: 10,119,249 km (0.106 R)
• M38: 10,264,508 km (0.096 R)
• M39: 10,410,217 km (0.043 R)
• M40: 10,950,863 km (0.075 R)
• M41: 11,075,030 km (0.116 R)
• M42: 11,576,332 km (0.088 R)
• M43: 11,880,764 km (0.081 R)
• M44: 12,136,426 km (0.077 R)
• M45: 12,239,200 km (0.111 R)
• M46: 12,757,557 km (0.071 R)
• M47: 13,045,682 km (0.116 R)
• M48: 13,336,052 km (0.069 R)
• M49: 13,762,107 km (0.086 R)
• M50: 14,138,644 km (0.045 R)
• M51: 14,219,726 km (0.114 R)
• M52: 14,709,809 km (0.073 R)
• M53: 15,039,672 km (0.066 R)
• M54: 15,399,754 km (0.05 R)
• M55: 15,874,877 km (0.107 R)
• M56: 15,959,250 km (0.115 R)
• M57: 16,241,392 km (0.06 R)
• M58: 16,354,787 km (0.118 R)
• M59: 16,525,329 km (0.032 R)
• M60: 16,610,899 km (0.069 R)
• M61: 17,271,224 km (0.112 R)
• M62: 17,387,013 km (0.113 R)
• M63: 18,233,886 km (0.085 R)
• M64: 18,381,240 km (0.104 R)
• M65: 18,499,422 km (0.028 R)
• M66: 18,617,754 km (0.063 R)
• M67: 18,825,695 km (0.053 R)
• M68: 18,944,775 km (0.101 R)
• M69: 19,034,384 km (0.082 R)
• M70: 19,937,207 km (0.102 R)
• M71: 20,455,115 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.6

Radius: 11

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.59 AU - 5.95 AU

Year: 3989 Days

Day: 13.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 68,067,084 km

• M1: 143,464 km (0.102 R)
• M2: 224,247 km (0.095 R)
• M3: 326,871 km (0.054 R)
• M4: 489,783 km (0.115 R)
• M5: 574,905 km (0.092 R)
• M6: 864,526 km (0.092 R)
• M7: 1,072,617 km (0.044 R)
• M8: 1,220,868 km (0.113 R)
• M9: 1,342,192 km (0.055 R)
• M10: 1,433,148 km (0.081 R)
• M11: 1,585,588 km (0.068 R)
• M12: 1,669,961 km (0.101 R)
• M13: 2,154,808 km (0.112 R)
• M14: 2,316,972 km (0.094 R)
• M15: 2,399,550 km (0.071 R)
• M16: 2,653,567 km (0.106 R)
• M17: 3,005,720 km (0.097 R)
• M18: 3,080,968 km (0.073 R)
• M19: 3,248,967 km (0.064 R)
• M20: 3,341,867 km (0.097 R)
• M21: 3,482,938 km (0.055 R)
• M22: 3,657,967 km (0.088 R)
• M23: 3,868,751 km (0.094 R)
• M24: 4,116,933 km (0.11 R)
• M25: 4,217,762 km (0.102 R)
• M26: 4,438,868 km (0.07 R)
• M27: 5,107,271 km (0.068 R)
• M28: 5,508,642 km (0.082 R)
• M29: 5,694,593 km (0.104 R)
• M30: 5,844,789 km (0.044 R)
• M31: 6,034,329 km (0.117 R)
• M32: 6,400,246 km (0.089 R)
• M33: 6,615,517 km (0.103 R)
• M34: 6,833,032 km (0.116 R)
• M35: 6,992,803 km (0.114 R)
• M36: 7,093,333 km (0.118 R)
• M37: 7,295,739 km (0.094 R)
• M38: 7,438,605 km (0.059 R)
• M39: 7,603,013 km (0.085 R)
• M40: 8,230,127 km (0.109 R)
• M41: 8,315,098 km (0.067 R)
• M42: 8,528,575 km (0.086 R)
• M43: 8,635,986 km (0.117 R)
• M44: 9,004,745 km (0.072 R)
• M45: 9,334,458 km (0.088 R)
• M46: 9,668,062 km (0.087 R)
• M47: 9,870,019 km (0.12 R)
• M48: 10,210,055 km (0.112 R)
• M49: 10,301,309 km (0.032 R)
• M50: 10,507,754 km (0.112 R)
• M51: 10,901,346 km (0.084 R)
• M52: 11,299,875 km (0.074 R)
• M53: 11,536,539 km (0.104 R)
• M54: 11,631,683 km (0.097 R)
• M55: 12,353,493 km (0.026 R)
• M56: 12,548,419 km (0.047 R)
• M57: 12,646,256 km (0.107 R)
• M58: 12,793,610 km (0.083 R)
• M59: 13,213,980 km (0.07 R)
• M60: 14,042,902 km (0.069 R)
• M61: 14,374,111 km (0.096 R)
• M62: 14,604,941 km (0.103 R)
• M63: 15,330,790 km (0.053 R)
• M64: 15,461,688 km (0.059 R)
• M65: 15,592,885 km (0.063 R)
• M66: 16,015,350 km (0.112 R)
• M67: 16,174,821 km (0.115 R)
• M68: 16,522,038 km (0.088 R)
• M69: 16,709,933 km (0.04 R)
• M70: 16,844,720 km (0.094 R)
• M71: 17,169,497 km (0.076 R)
• M72: 17,250,878 km (0.092 R)
• M73: 17,359,786 km (0.116 R)
• M74: 17,962,815 km (0.108 R)
• M75: 18,266,947 km (0.038 R)
• M76: 18,600,550 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.1

Radius: 4.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 9.57 AU - 14.13 AU

Year: 15619 Days

Day: 21.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 68,067,084 km

• M1: 505,940 km (0.055 R)
• M2: 704,307 km (0.084 R)
• M3: 831,914 km (0.062 R)
• M4: 1,051,523 km (0.061 R)
• M5: 1,429,408 km (0.077 R)
• M6: 1,608,028 km (0.111 R)
• M7: 1,742,516 km (0.036 R)
• M8: 2,004,611 km (0.082 R)
• M9: 2,260,274 km (0.118 R)
• M10: 3,087,850 km (0.111 R)
• M11: 3,192,119 km (0.056 R)
• M12: 3,318,829 km (0.068 R)
• M13: 3,425,642 km (0.113 R)
• M14: 5,060,447 km (0.105 R)
• M15: 5,357,399 km (0.026 R)
• M16: 5,457,630 km (0.029 R)
• M17: 5,609,172 km (0.12 R)
• M18: 6,870,581 km (0.098 R)
• M19: 7,254,450 km (0.056 R)
• M20: 8,215,317 km (0.105 R)
• M21: 8,273,061 km (0.12 R)
• M22: 8,681,164 km (0.108 R)
• M23: 8,828,518 km (0.103 R)
• M24: 9,395,943 km (0.09 R)
• M25: 9,852,366 km (0.098 R)
• M26: 10,098,604 km (0.07 R)
• M27: 11,167,930 km (0.098 R)
• M28: 11,846,207 km (0.04 R)
• M29: 12,604,219 km (0.072 R)
• M30: 12,637,579 km (0.106 R)
• M31: 13,174,636 km (0.119 R)
• M32: 13,310,022 km (0.093 R)
• M33: 13,616,398 km (0.096 R)
• M34: 16,113,785 km (0.11 R)
• M35: 16,622,567 km (0.05 R)
• M36: 18,029,984 km (0.108 R)
• M37: 18,105,232 km (0.084 R)
• M38: 18,710,056 km (0.07 R)
• M39: 19,167,975 km (0.071 R)
• M40: 19,590,888 km (0.05 R)
• M41: 19,861,810 km (0.103 R)
• M42: 19,978,197 km (0.099 R)
• M43: 20,055,988 km (0.071 R)
• M44: 20,094,884 km (0.114 R)
• M45: 21,871,807 km (0.085 R)
• M46: 22,394,502 km (0.09 R)
• M47: 22,799,314 km (0.112 R)
• M48: 23,370,179 km (0.114 R)
• M49: 24,318,031 km (0.086 R)
• M50: 25,026,826 km (0.09 R)
• M51: 25,152,488 km (0.061 R)
• M52: 25,236,562 km (0.062 R)
• M53: 25,404,710 km (0.056 R)
• M54: 28,758,395 km (0.083 R)
• M55: 28,890,191 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.1

Radius: 3.3

Gravity: 84.49 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 11.78 AU - 16.04 AU

Year: 19864 Days

Day: 22.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 68,067,084 km

• M1: 137,480 km (0.083 R)
• M2: 242,797 km (0.118 R)
• M3: 295,306 km (0.113 R)
• M4: 332,406 km (0.12 R)
• M5: 564,732 km (0.104 R)
• M6: 785,838 km (0.066 R)
• M7: 974,929 km (0.094 R)
• M8: 1,177,784 km (0.108 R)
• M9: 1,425,219 km (0.12 R)
• M10: 2,184,578 km (0.103 R)
• M11: 2,334,026 km (0.042 R)
• M12: 2,682,439 km (0.041 R)
• M13: 4,797,005 km (0.111 R)
• M14: 4,942,265 km (0.076 R)
• M15: 5,237,272 km (0.097 R)
• M16: 5,639,541 km (0.075 R)
• M17: 5,895,951 km (0.033 R)
• M18: 6,526,656 km (0.055 R)
• M19: 7,068,350 km (0.095 R)
• M20: 7,289,156 km (0.039 R)
• M21: 8,022,186 km (0.1 R)
• M22: 8,601,728 km (0.096 R)
• M23: 8,896,585 km (0.07 R)
• M24: 9,254,723 km (0.096 R)
• M25: 9,496,174 km (0.055 R)
• M26: 9,862,090 km (0.077 R)
• M27: 10,419,641 km (0.094 R)
• M28: 10,987,515 km (0.051 R)
• M29: 14,738,233 km (0.081 R)
• M30: 15,588,846 km (0.081 R)
• M31: 15,803,968 km (0.077 R)
• M32: 17,336,897 km (0.058 R)
• M33: 17,708,947 km (0.071 R)
• M34: 18,309,433 km (0.113 R)
• M35: 18,460,676 km (0.092 R)
• M36: 18,840,505 km (0.117 R)
• M37: 19,069,540 km (0.104 R)
• M38: 19,146,134 km (0.082 R)
• M39: 20,385,103 km (0.084 R)
• M40: 20,777,648 km (0.067 R)
• M41: 20,935,324 km (0.113 R)
• M42: 21,172,587 km (0.047 R)
• M43: 21,251,874 km (0.1 R)
• M44: 22,050,277 km (0.112 R)
• M45: 22,372,362 km (0.034 R)
• M46: 22,777,173 km (0.119 R)
• M47: 22,939,786 km (0.068 R)
• M48: 23,511,849 km (0.114 R)
• M49: 25,593,054 km (0.094 R)
• M50: 27,732,453 km (0.114 R)
• M51: 28,254,400 km (0.075 R)
• M52: 28,604,160 km (0.074 R)
• M53: 28,867,303 km (0.101 R)
• M54: 29,043,379 km (0.095 R)
• M55: 32,361,909 km (0.078 R)
• M56: 32,453,313 km (0.041 R)
• M57: 36,081,959 km (0.03 R)
• M58: 37,032,953 km (0.105 R)
• M59: 37,319,732 km (0.084 R)
• M60: 37,992,025 km (0.095 R)
• M61: 40,523,819 km (0.114 R)
• M62: 40,918,010 km (0.095 R)
• M63: 41,511,913 km (0.114 R)
• M64: 42,408,004 km (0.119 R)
• M65: 44,726,921 km (0.096 R)
• M66: 44,828,648 km (0.08 R)
• M67: 45,953,025 km (0.11 R)
• M68: 46,673,339 km (0.055 R)
• M69: 47,397,393 km (0.095 R)
• M70: 47,708,706 km (0.082 R)
• M71: 47,916,796 km (0.096 R)
• M72: 49,486,377 km (0.098 R)
• M73: 51,818,758 km (0.077 R)
• M74: 52,783,215 km (0.074 R)
• M75: 54,621,175 km (0.08 R)
• M76: 57,361,658 km (0.079 R)
• M77: 58,248,025 km (0.108 R)
• M78: 58,692,929 km (0.079 R)
• M79: 60,034,374 km (0.101 R)
• M80: 61,047,151 km (0.114 R)
• M81: 61,272,894 km (0.116 R)
• M82: 64,808,341 km (0.088 R)
• M83: 65,038,572 km (0.063 R)
• M84: 66,426,391 km (0.119 R)
• M85: 66,891,192 km (0.111 R)
• M86: 70,411,230 km (0.073 R)
• M87: 72,193,688 km (0.111 R)
• M88: 76,531,877 km (0.107 R)
• M89: 78,241,631 km (0.099 R)
• M90: 78,364,152 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.1

Radius: 7.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 14.68 AU - 18.46 AU

Year: 25826 Days

Day: 16.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 75.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 68,067,084 km

• M1: 108,159 km (0.036 R)
• M2: 504,444 km (0.118 R)
• M3: 767,587 km (0.09 R)
• M4: 2,576,674 km (0.086 R)
• M5: 2,922,394 km (0.11 R)
• M6: 3,209,622 km (0.057 R)
• M7: 3,393,777 km (0.082 R)
• M8: 3,657,518 km (0.094 R)
• M9: 3,811,155 km (0.102 R)
• M10: 4,365,715 km (0.109 R)
• M11: 4,611,205 km (0.088 R)
• M12: 5,115,649 km (0.115 R)
• M13: 5,331,070 km (0.094 R)
• M14: 6,085,492 km (0.039 R)
• M15: 6,405,781 km (0.101 R)
• M16: 6,498,382 km (0.1 R)
• M17: 6,778,728 km (0.086 R)
• M18: 7,643,404 km (0.102 R)
• M19: 8,188,688 km (0.108 R)
• M20: 8,644,363 km (0.069 R)
• M21: 9,108,117 km (0.117 R)
• M22: 9,160,177 km (0.1 R)
• M23: 9,474,482 km (0.056 R)
• M24: 9,739,121 km (0.031 R)
• M25: 9,952,597 km (0.117 R)
• M26: 10,438,491 km (0.102 R)
• M27: 10,602,300 km (0.097 R)
• M28: 10,657,053 km (0.093 R)
• M29: 11,489,715 km (0.051 R)
• M30: 11,602,362 km (0.115 R)
• M31: 12,056,541 km (0.106 R)
• M32: 12,516,405 km (0.109 R)
• M33: 14,050,681 km (0.08 R)
• M34: 14,110,819 km (0.088 R)
• M35: 14,962,480 km (0.109 R)
• M36: 15,023,965 km (0.12 R)
• M37: 15,955,959 km (0.029 R)
• M38: 16,081,771 km (0.087 R)
• M39: 16,842,775 km (0.083 R)
• M40: 17,810,674 km (0.107 R)
• M41: 18,202,770 km (0.097 R)
• M42: 19,732,408 km (0.117 R)
• M43: 21,441,264 km (0.087 R)
• M44: 21,998,068 km (0.115 R)
• M45: 22,700,729 km (0.088 R)
• M46: 22,913,008 km (0.09 R)
• M47: 23,912,172 km (0.105 R)
• M48: 25,364,020 km (0.118 R)
• M49: 26,694,992 km (0.103 R)
• M50: 26,918,940 km (0.083 R)
• M51: 27,670,221 km (0.114 R)
• M52: 28,352,387 km (0.039 R)
• M53: 30,587,529 km (0.053 R)
• M54: 30,900,188 km (0.059 R)
• M55: 31,765,612 km (0.052 R)
• M56: 32,082,311 km (0.032 R)
• M57: 32,320,470 km (0.081 R)
• M58: 32,798,735 km (0.097 R)
• M59: 34,166,209 km (0.08 R)
• M60: 34,816,212 km (0.059 R)
• M61: 35,306,294 km (0.116 R)
• M62: 36,128,335 km (0.111 R)
• M63: 36,707,428 km (0.082 R)
• M64: 36,873,482 km (0.108 R)
• M65: 37,958,814 km (0.072 R)
• M66: 39,223,963 km (0.097 R)
• M67: 40,760,483 km (0.09 R)
• M68: 41,104,708 km (0.1 R)
• M69: 42,752,379 km (0.111 R)
• M70: 43,892,165 km (0.082 R)
• M71: 44,244,917 km (0.104 R)
• M72: 44,333,179 km (0.073 R)
• M73: 46,112,048 km (0.062 R)
• M74: 46,470,484 km (0.112 R)
• M75: 46,650,151 km (0.109 R)
• M76: 47,010,084 km (0.107 R)
• M77: 47,913,954 km (0.111 R)
• M78: 48,641,299 km (0.049 R)
• M79: 49,006,318 km (0.106 R)
• M80: 49,463,788 km (0.071 R)
• M81: 50,014,757 km (0.059 R)
• M82: 50,752,424 km (0.053 R)
• M83: 51,122,529 km (0.093 R)
• M84: 52,518,726 km (0.097 R)
• M85: 53,644,749 km (0.114 R)
• M86: 54,778,701 km (0.051 R)
• M87: 59,003,495 km (0.072 R)
• M88: 60,173,799 km (0.113 R)
• M89: 60,565,596 km (0.103 R)
• M90: 61,943,691 km (0.095 R)
• M91: 62,636,479 km (0.096 R)
• M92: 66,543,526 km (0.067 R)
• M93: 68,067,031 km (0.034 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 18,774 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit