🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.54 AU - 0.56 AU

Year: 263 Days

Day: 36.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,001,794 km

• M1: 617,091 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.5

Radius: 11.6

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.53 AU - 0.85 AU

Year: 370 Days

Day: 14.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 75.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,001,794 km

• M1: 153,936 km (0.084 R)
• M2: 263,442 km (0.1 R)
• M3: 388,057 km (0.105 R)
• M4: 490,232 km (0.084 R)
• M5: 593,754 km (0.029 R)
• M6: 674,537 km (0.107 R)
• M7: 815,009 km (0.039 R)
• M8: 906,713 km (0.111 R)
• M9: 1,030,879 km (0.083 R)
• M10: 1,105,827 km (0.12 R)
• M11: 1,191,397 km (0.077 R)
• M12: 1,392,607 km (0.082 R)
• M13: 1,509,293 km (0.077 R)
• M14: 1,629,570 km (0.087 R)
• M15: 1,957,488 km (0.053 R)
• M16: 2,137,454 km (0.083 R)
• M17: 2,267,904 km (0.12 R)
• M18: 2,401,046 km (0.074 R)
• M19: 2,542,565 km (0.108 R)
• M20: 2,646,237 km (0.077 R)
• M21: 2,722,083 km (0.093 R)
• M22: 2,846,099 km (0.088 R)
• M23: 2,941,842 km (0.083 R)
• M24: 3,050,899 km (0.106 R)
• M25: 3,124,352 km (0.085 R)
• M26: 3,310,750 km (0.12 R)
• M27: 3,437,161 km (0.102 R)
• M28: 3,714,216 km (0.089 R)
• M29: 3,799,487 km (0.112 R)
• M30: 3,925,149 km (0.039 R)
• M31: 4,005,333 km (0.037 R)
• M32: 4,099,580 km (0.113 R)
• M33: 4,303,931 km (0.093 R)
• M34: 4,379,777 km (0.061 R)
• M35: 4,624,070 km (0.036 R)
• M36: 4,794,163 km (0.056 R)
• M37: 4,880,032 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 13.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.47 AU - 4.11 AU

Year: 3853 Days

Day: 11.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 43,001,794 km

• M1: 230,381 km (0.103 R)
• M2: 387,608 km (0.091 R)
• M3: 505,491 km (0.069 R)
• M4: 599,439 km (0.096 R)
• M5: 1,184,666 km (0.05 R)
• M6: 1,277,267 km (0.117 R)
• M7: 1,372,411 km (0.107 R)
• M8: 1,484,310 km (0.072 R)
• M9: 1,717,683 km (0.083 R)
• M10: 1,839,156 km (0.074 R)
• M11: 1,995,187 km (0.111 R)
• M12: 2,237,835 km (0.104 R)
• M13: 2,473,152 km (0.095 R)
• M14: 2,611,231 km (0.086 R)
• M15: 2,752,152 km (0.104 R)
• M16: 2,931,969 km (0.119 R)
• M17: 3,514,204 km (0.051 R)
• M18: 3,929,038 km (0.108 R)
• M19: 4,570,514 km (0.12 R)
• M20: 4,871,056 km (0.077 R)
• M21: 5,178,031 km (0.091 R)
• M22: 5,267,042 km (0.117 R)
• M23: 5,468,999 km (0.029 R)
• M24: 5,604,983 km (0.074 R)
• M25: 5,788,241 km (0.11 R)
• M26: 6,043,455 km (0.056 R)
• M27: 6,255,136 km (0.099 R)
• M28: 6,421,339 km (0.113 R)
• M29: 6,734,148 km (0.118 R)
• M30: 6,831,387 km (0.092 R)
• M31: 7,101,261 km (0.117 R)
• M32: 7,249,962 km (0.075 R)
• M33: 7,349,743 km (0.106 R)
• M34: 7,804,222 km (0.103 R)
• M35: 7,957,859 km (0.097 R)
• M36: 8,424,604 km (0.102 R)
• M37: 8,740,704 km (0.076 R)
• M38: 8,873,547 km (0.085 R)
• M39: 9,575,461 km (0.027 R)
• M40: 9,905,473 km (0.116 R)
• M41: 10,155,451 km (0.106 R)
• M42: 10,576,869 km (0.082 R)
• M43: 10,832,382 km (0.091 R)
• M44: 10,918,101 km (0.12 R)
• M45: 11,032,544 km (0.033 R)
• M46: 11,553,144 km (0.06 R)
• M47: 11,669,831 km (0.088 R)
• M48: 12,408,545 km (0.091 R)
• M49: 12,858,984 km (0.072 R)
• M50: 12,980,009 km (0.086 R)
• M51: 13,467,997 km (0.063 R)
• M52: 14,588,036 km (0.118 R)
• M53: 15,932,323 km (0.086 R)
• M54: 16,817,344 km (0.104 R)
• M55: 17,149,152 km (0.06 R)
• M56: 17,382,824 km (0.055 R)
• M57: 18,909,620 km (0.062 R)
• M58: 19,220,035 km (0.108 R)
• M59: 19,776,240 km (0.104 R)
• M60: 20,021,281 km (0.118 R)
• M61: 20,656,025 km (0.117 R)
• M62: 20,940,261 km (0.079 R)
• M63: 21,440,666 km (0.06 R)
• M64: 21,908,907 km (0.086 R)
• M65: 22,599,451 km (0.105 R)
• M66: 22,929,015 km (0.112 R)
• M67: 23,149,672 km (0.093 R)
• M68: 23,555,980 km (0.083 R)
• M69: 23,741,481 km (0.115 R)
• M70: 23,852,932 km (0.119 R)
• M71: 24,713,718 km (0.063 R)
• M72: 25,091,153 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 8.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.01 AU - 4.27 AU

Year: 4484 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 43,001,794 km

• M1: 133,591 km (0.09 R)
• M2: 203,453 km (0.115 R)
• M3: 356,941 km (0.109 R)
• M4: 450,140 km (0.089 R)
• M5: 755,020 km (0.05 R)
• M6: 899,981 km (0.067 R)
• M7: 1,054,216 km (0.074 R)
• M8: 1,251,087 km (0.115 R)
• M9: 1,484,011 km (0.113 R)
• M10: 1,556,566 km (0.073 R)
• M11: 1,655,300 km (0.115 R)
• M12: 1,768,995 km (0.112 R)
• M13: 1,872,217 km (0.097 R)
• M14: 2,291,391 km (0.111 R)
• M15: 2,404,337 km (0.106 R)
• M16: 2,490,206 km (0.109 R)
• M17: 2,620,955 km (0.092 R)
• M18: 2,709,517 km (0.098 R)
• M19: 2,784,016 km (0.11 R)
• M20: 3,120,163 km (0.094 R)
• M21: 3,182,695 km (0.034 R)
• M22: 3,245,675 km (0.056 R)
• M23: 3,485,630 km (0.053 R)
• M24: 4,033,458 km (0.069 R)
• M25: 4,626,165 km (0.111 R)
• M26: 5,737,378 km (0.081 R)
• M27: 5,794,973 km (0.112 R)
• M28: 5,891,613 km (0.113 R)
• M29: 5,988,702 km (0.113 R)
• M30: 6,382,294 km (0.083 R)
• M31: 6,482,076 km (0.071 R)
• M32: 6,642,744 km (0.051 R)
• M33: 6,764,217 km (0.118 R)
• M34: 6,886,289 km (0.102 R)
• M35: 7,804,072 km (0.098 R)
• M36: 8,104,165 km (0.087 R)
• M37: 8,190,633 km (0.118 R)
• M38: 8,342,624 km (0.077 R)
• M39: 8,693,731 km (0.089 R)
• M40: 8,782,143 km (0.08 R)
• M41: 9,027,184 km (0.06 R)
• M42: 9,206,702 km (0.104 R)
• M43: 9,615,104 km (0.119 R)
• M44: 9,706,658 km (0.099 R)
• M45: 9,821,549 km (0.079 R)
• M46: 11,042,716 km (0.07 R)
• M47: 11,210,715 km (0.12 R)
• M48: 11,549,404 km (0.106 R)
• M49: 11,646,643 km (0.104 R)
• M50: 11,866,851 km (0.11 R)
• M51: 12,410,639 km (0.106 R)
• M52: 12,510,272 km (0.081 R)
• M53: 12,585,370 km (0.07 R)
• M54: 12,785,980 km (0.116 R)
• M55: 14,324,894 km (0.1 R)
• M56: 14,956,646 km (0.112 R)
• M57: 15,222,631 km (0.101 R)
• M58: 15,382,850 km (0.068 R)
• M59: 15,732,161 km (0.08 R)
• M60: 16,111,242 km (0.117 R)
• M61: 16,850,854 km (0.062 R)
• M62: 16,961,407 km (0.094 R)
• M63: 17,099,785 km (0.095 R)
• M64: 17,657,485 km (0.045 R)
• M65: 17,769,833 km (0.083 R)
• M66: 18,306,291 km (0.102 R)
• M67: 18,847,985 km (0.076 R)
• M68: 18,934,004 km (0.042 R)
• M69: 19,020,172 km (0.076 R)
• M70: 19,135,363 km (0.055 R)
• M71: 19,250,703 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 13.7

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.95 AU - 4.17 AU

Year: 5282 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 43,001,794 km

• M1: 173,683 km (0.097 R)
• M2: 259,253 km (0.099 R)
• M3: 435,928 km (0.099 R)
• M4: 720,463 km (0.115 R)
• M5: 1,045,390 km (0.065 R)
• M6: 1,186,461 km (0.037 R)
• M7: 1,574,966 km (0.107 R)
• M8: 1,700,629 km (0.092 R)
• M9: 1,816,866 km (0.108 R)
• M10: 2,154,209 km (0.109 R)
• M11: 2,266,408 km (0.055 R)
• M12: 2,424,084 km (0.081 R)
• M13: 2,600,460 km (0.082 R)
• M14: 2,750,656 km (0.072 R)
• M15: 3,028,758 km (0.1 R)
• M16: 3,364,755 km (0.11 R)
• M17: 3,529,163 km (0.12 R)
• M18: 3,629,095 km (0.109 R)
• M19: 3,729,924 km (0.058 R)
• M20: 3,934,574 km (0.088 R)
• M21: 4,021,041 km (0.118 R)
• M22: 4,213,424 km (0.078 R)
• M23: 4,390,997 km (0.105 R)
• M24: 4,589,214 km (0.107 R)
• M25: 4,882,874 km (0.059 R)
• M26: 5,032,173 km (0.077 R)
• M27: 5,258,814 km (0.095 R)
• M28: 5,469,597 km (0.087 R)
• M29: 5,624,730 km (0.088 R)
• M30: 5,879,944 km (0.108 R)
• M31: 6,058,863 km (0.108 R)
• M32: 6,361,051 km (0.031 R)
• M33: 6,586,046 km (0.082 R)
• M34: 6,771,996 km (0.111 R)
• M35: 6,959,592 km (0.052 R)
• M36: 7,297,683 km (0.116 R)
• M37: 7,554,692 km (0.101 R)
• M38: 8,099,977 km (0.09 R)
• M39: 8,210,530 km (0.081 R)
• M40: 8,590,359 km (0.093 R)
• M41: 8,725,894 km (0.076 R)
• M42: 8,930,394 km (0.11 R)
• M43: 9,530,132 km (0.074 R)
• M44: 9,811,376 km (0.054 R)
• M45: 10,119,099 km (0.067 R)
• M46: 10,623,094 km (0.086 R)
• M47: 11,258,437 km (0.114 R)
• M48: 11,680,602 km (0.069 R)
• M49: 11,906,195 km (0.066 R)
• M50: 12,082,721 km (0.089 R)
• M51: 12,438,315 km (0.111 R)
• M52: 12,978,214 km (0.083 R)
• M53: 13,316,305 km (0.046 R)
• M54: 13,736,376 km (0.039 R)
• M55: 13,868,471 km (0.065 R)
• M56: 14,054,271 km (0.043 R)
• M57: 14,160,785 km (0.083 R)
• M58: 14,616,610 km (0.111 R)
• M59: 14,805,552 km (0.053 R)
• M60: 16,151,783 km (0.057 R)
• M61: 17,279,751 km (0.083 R)
• M62: 17,594,355 km (0.09 R)
• M63: 17,766,692 km (0.088 R)
• M64: 17,882,032 km (0.076 R)
• M65: 18,084,288 km (0.074 R)
• M66: 18,754,337 km (0.119 R)
• M67: 18,901,093 km (0.091 R)
• M68: 19,284,512 km (0.1 R)
• M69: 19,640,704 km (0.077 R)
• M70: 19,879,313 km (0.072 R)
• M71: 20,209,027 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.3

Radius: 3.8

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.33 AU - 7.65 AU

Year: 11932 Days

Day: 16.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 43,001,794 km

• M1: 77,342 km (0.091 R)
• M2: 113,844 km (0.087 R)
• M3: 166,054 km (0.053 R)
• M4: 343,926 km (0.073 R)
• M5: 568,622 km (0.103 R)
• M6: 604,076 km (0.119 R)
• M7: 689,646 km (0.115 R)
• M8: 792,420 km (0.093 R)
• M9: 1,250,489 km (0.113 R)
• M10: 1,522,158 km (0.095 R)
• M11: 1,882,091 km (0.089 R)
• M12: 2,080,757 km (0.071 R)
• M13: 2,210,757 km (0.09 R)
• M14: 2,817,676 km (0.097 R)
• M15: 3,149,783 km (0.073 R)
• M16: 3,626,701 km (0.066 R)
• M17: 4,148,947 km (0.115 R)
• M18: 4,430,640 km (0.029 R)
• M19: 5,566,686 km (0.11 R)
• M20: 5,617,998 km (0.097 R)
• M21: 5,695,341 km (0.079 R)
• M22: 5,929,312 km (0.086 R)
• M23: 6,869,085 km (0.062 R)
• M24: 8,027,422 km (0.116 R)
• M25: 8,289,667 km (0.07 R)
• M26: 9,123,525 km (0.115 R)
• M27: 9,275,218 km (0.118 R)
• M28: 9,305,586 km (0.103 R)
• M29: 9,581,145 km (0.093 R)
• M30: 9,642,630 km (0.089 R)
• M31: 9,921,331 km (0.03 R)
• M32: 10,297,121 km (0.086 R)
• M33: 10,455,096 km (0.091 R)
• M34: 11,191,866 km (0.099 R)
• M35: 11,846,057 km (0.112 R)
• M36: 13,054,359 km (0.091 R)
• M37: 13,259,607 km (0.102 R)
• M38: 13,916,492 km (0.106 R)
• M39: 14,266,401 km (0.107 R)
• M40: 14,336,712 km (0.104 R)
• M41: 14,867,784 km (0.088 R)
• M42: 15,441,492 km (0.111 R)
• M43: 15,513,748 km (0.095 R)
• M44: 15,694,761 km (0.106 R)
• M45: 16,205,339 km (0.106 R)
• M46: 17,168,001 km (0.119 R)
• M47: 17,580,891 km (0.116 R)
• M48: 17,618,590 km (0.103 R)
• M49: 18,034,921 km (0.037 R)
• M50: 18,225,359 km (0.047 R)
• M51: 18,416,395 km (0.082 R)
• M52: 18,608,030 km (0.05 R)
• M53: 18,723,370 km (0.078 R)
• M54: 19,070,737 km (0.107 R)
• M55: 19,498,287 km (0.103 R)
• M56: 20,007,518 km (0.07 R)
• M57: 21,480,758 km (0.094 R)
• M58: 22,250,738 km (0.117 R)
• M59: 22,291,579 km (0.105 R)
• M60: 22,454,940 km (0.049 R)
• M61: 22,618,600 km (0.091 R)
• M62: 22,659,739 km (0.08 R)
• M63: 23,776,038 km (0.075 R)
• M64: 24,572,348 km (0.085 R)
• M65: 24,783,281 km (0.063 R)
• M66: 24,994,962 km (0.109 R)
• M67: 25,037,298 km (0.116 R)
• M68: 25,079,784 km (0.104 R)
• M69: 26,018,959 km (0.051 R)
• M70: 27,013,037 km (0.081 R)
• M71: 27,100,103 km (0.081 R)
• M72: 27,580,462 km (0.108 R)
• M73: 28,063,663 km (0.041 R)
• M74: 28,107,645 km (0.061 R)
• M75: 28,860,272 km (0.032 R)
• M76: 28,949,133 km (0.111 R)
• M77: 29,709,240 km (0.108 R)
• M78: 29,798,998 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.5

Radius: 3.1

Gravity: 20.03 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.69 AU - 9.33 AU

Year: 16029 Days

Day: 18.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 43,001,794 km

• M1: 178,769 km (0.059 R)
• M2: 462,407 km (0.09 R)
• M3: 868,565 km (0.097 R)
• M4: 1,417,589 km (0.118 R)
• M5: 1,735,934 km (0.078 R)
• M6: 1,846,935 km (0.119 R)
• M7: 1,891,964 km (0.067 R)
• M8: 2,052,333 km (0.092 R)
• M9: 2,075,670 km (0.096 R)
• M10: 2,099,008 km (0.113 R)
• M11: 2,122,495 km (0.112 R)
• M12: 2,169,618 km (0.116 R)
• M13: 2,217,190 km (0.097 R)
• M14: 2,609,735 km (0.076 R)
• M15: 2,635,017 km (0.078 R)
• M16: 2,736,743 km (0.068 R)
• M17: 2,762,474 km (0.088 R)
• M18: 3,076,630 km (0.03 R)
• M19: 3,156,814 km (0.071 R)
• M20: 3,429,531 km (0.083 R)
• M21: 3,795,148 km (0.025 R)
• M22: 3,968,084 km (0.09 R)
• M23: 4,232,273 km (0.104 R)
• M24: 4,471,929 km (0.053 R)
• M25: 4,901,724 km (0.036 R)
• M26: 5,058,502 km (0.112 R)
• M27: 5,376,697 km (0.038 R)
• M28: 5,800,209 km (0.094 R)
• M29: 5,899,542 km (0.106 R)
• M30: 6,438,244 km (0.073 R)
• M31: 6,609,832 km (0.064 R)
• M32: 6,678,797 km (0.089 R)
• M33: 7,275,393 km (0.053 R)
• M34: 7,670,332 km (0.088 R)
• M35: 7,998,699 km (0.049 R)
• M36: 8,072,301 km (0.103 R)
• M37: 8,220,104 km (0.106 R)
• M38: 8,744,744 km (0.085 R)
• M39: 8,896,585 km (0.047 R)
• M40: 8,972,731 km (0.105 R)
• M41: 9,049,325 km (0.091 R)
• M42: 9,241,408 km (0.041 R)
• M43: 9,590,570 km (0.054 R)
• M44: 9,825,738 km (0.062 R)
• M45: 10,062,850 km (0.105 R)
• M46: 10,261,965 km (0.062 R)
• M47: 10,422,035 km (0.087 R)
• M48: 10,542,760 km (0.113 R)
• M49: 10,663,785 km (0.109 R)
• M50: 11,441,694 km (0.1 R)
• M51: 11,649,336 km (0.063 R)
• M52: 11,858,324 km (0.098 R)
• M53: 12,110,696 km (0.114 R)
• M54: 12,535,254 km (0.094 R)
• M55: 13,573,912 km (0.048 R)
• M56: 13,705,708 km (0.094 R)
• M57: 15,456,751 km (0.111 R)
• M58: 15,640,308 km (0.101 R)
• M59: 16,992,523 km (0.115 R)
• M60: 17,134,491 km (0.068 R)
• M61: 17,181,914 km (0.061 R)
• M62: 19,311,290 km (0.087 R)
• M63: 19,558,426 km (0.103 R)
• M64: 20,006,022 km (0.098 R)
• M65: 20,457,060 km (0.101 R)
• M66: 21,063,530 km (0.12 R)
• M67: 22,242,211 km (0.112 R)
• M68: 22,605,285 km (0.1 R)
• M69: 22,865,735 km (0.116 R)
• M70: 22,970,304 km (0.107 R)
• M71: 23,389,777 km (0.097 R)
• M72: 24,289,458 km (0.032 R)
• M73: 26,068,027 km (0.085 R)
• M74: 26,615,256 km (0.107 R)
• M75: 27,111,024 km (0.118 R)
• M76: 27,832,385 km (0.036 R)
• M77: 28,954,668 km (0.109 R)
• M78: 30,780,510 km (0.082 R)
• M79: 30,953,595 km (0.12 R)
• M80: 31,126,979 km (0.077 R)
• M81: 31,765,612 km (0.113 R)
• M82: 32,232,806 km (0.107 R)
• M83: 32,291,299 km (0.037 R)
• M84: 32,584,660 km (0.089 R)
• M85: 32,761,036 km (0.038 R)
• M86: 32,819,828 km (0.106 R)
• M87: 32,878,770 km (0.081 R)
• M88: 33,351,349 km (0.119 R)
• M89: 34,243,401 km (0.05 R)
• M90: 34,422,620 km (0.086 R)
• M91: 34,722,264 km (0.101 R)
• M92: 42,423,114 km (0.069 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 16,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit