🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.8

Radius: 8.8

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.53 AU - 0.69 AU

Year: 323 Days

Day: 13.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 42,412,038 km

• M1: 160,668 km (0.104 R)
• M2: 222,901 km (0.084 R)
• M3: 385,963 km (0.045 R)
• M4: 444,455 km (0.076 R)
• M5: 500,405 km (0.106 R)
• M6: 581,637 km (0.12 R)
• M7: 644,168 km (0.101 R)
• M8: 730,187 km (0.107 R)
• M9: 972,985 km (0.099 R)
• M10: 1,044,792 km (0.119 R)
• M11: 1,114,355 km (0.119 R)
• M12: 1,172,997 km (0.061 R)
• M13: 1,319,603 km (0.093 R)
• M14: 1,381,836 km (0.04 R)
• M15: 1,541,756 km (0.088 R)
• M16: 1,664,725 km (0.073 R)
• M17: 1,727,407 km (0.094 R)
• M18: 1,915,302 km (0.111 R)
• M19: 2,016,878 km (0.117 R)
• M20: 2,257,581 km (0.101 R)
• M21: 2,441,437 km (0.092 R)
• M22: 2,602,255 km (0.074 R)
• M23: 2,692,462 km (0.09 R)
• M24: 2,772,348 km (0.097 R)
• M25: 2,835,628 km (0.083 R)
• M26: 2,975,352 km (0.087 R)
• M27: 3,052,096 km (0.117 R)
• M28: 3,129,438 km (0.106 R)
• M29: 3,237,597 km (0.054 R)
• M30: 3,322,718 km (0.113 R)
• M31: 3,396,171 km (0.096 R)
• M32: 3,482,638 km (0.086 R)
• M33: 3,676,667 km (0.054 R)
• M34: 3,733,664 km (0.085 R)
• M35: 3,797,392 km (0.108 R)
• M36: 3,912,882 km (0.059 R)
• M37: 4,003,688 km (0.116 R)
• M38: 4,141,019 km (0.1 R)
• M39: 4,386,958 km (0.113 R)
• M40: 4,447,545 km (0.068 R)
• M41: 4,521,895 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.4

Radius: 11.7

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.57 AU - 0.85 AU

Year: 406 Days

Day: 9.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 42,412,038 km

• M1: 159,023 km (0.072 R)
• M2: 231,877 km (0.073 R)
• M3: 349,461 km (0.072 R)
• M4: 476,918 km (0.113 R)
• M5: 551,418 km (0.044 R)
• M6: 634,445 km (0.119 R)
• M7: 798,853 km (0.069 R)
• M8: 882,478 km (0.095 R)
• M9: 978,370 km (0.061 R)
• M10: 1,110,615 km (0.101 R)
• M11: 1,191,098 km (0.088 R)
• M12: 1,268,740 km (0.106 R)
• M13: 1,358,349 km (0.08 R)
• M14: 1,476,082 km (0.091 R)
• M15: 1,576,014 km (0.113 R)
• M16: 1,672,953 km (0.063 R)
• M17: 1,771,987 km (0.081 R)
• M18: 1,924,277 km (0.104 R)
• M19: 2,010,895 km (0.092 R)
• M20: 2,110,676 km (0.051 R)
• M21: 2,200,136 km (0.067 R)
• M22: 2,284,808 km (0.078 R)
• M23: 2,382,944 km (0.097 R)
• M24: 2,470,010 km (0.07 R)
• M25: 2,608,987 km (0.114 R)
• M26: 2,737,791 km (0.07 R)
• M27: 2,822,613 km (0.114 R)
• M28: 3,062,268 km (0.112 R)
• M29: 3,164,145 km (0.081 R)
• M30: 3,511,960 km (0.104 R)
• M31: 3,604,561 km (0.079 R)
• M32: 3,762,835 km (0.079 R)
• M33: 3,894,332 km (0.047 R)
• M34: 4,094,195 km (0.109 R)
• M35: 4,343,275 km (0.066 R)
• M36: 4,714,427 km (0.025 R)
• M37: 4,999,561 km (0.117 R)
• M38: 5,079,745 km (0.055 R)
• M39: 5,217,226 km (0.084 R)
• M40: 5,290,379 km (0.12 R)
• M41: 5,372,209 km (0.108 R)
• M42: 5,487,399 km (0.096 R)
• M43: 5,570,277 km (0.114 R)
• M44: 5,653,603 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 8.7

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.98 AU - 1.12 AU

Year: 730 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 42,412,038 km

• M1: 128,804 km (0.098 R)
• M2: 189,391 km (0.099 R)
• M3: 279,449 km (0.044 R)
• M4: 341,682 km (0.115 R)
• M5: 439,967 km (0.096 R)
• M6: 511,625 km (0.107 R)
• M7: 587,620 km (0.11 R)
• M8: 874,848 km (0.096 R)
• M9: 986,149 km (0.109 R)
• M10: 1,197,232 km (0.111 R)
• M11: 1,341,743 km (0.093 R)
• M12: 1,443,769 km (0.072 R)
• M13: 1,641,089 km (0.117 R)
• M14: 1,735,634 km (0.055 R)
• M15: 1,991,896 km (0.067 R)
• M16: 2,069,687 km (0.119 R)
• M17: 2,132,667 km (0.105 R)
• M18: 2,220,182 km (0.107 R)
• M19: 2,325,349 km (0.086 R)
• M20: 2,432,162 km (0.056 R)
• M21: 2,633,671 km (0.086 R)
• M22: 2,727,917 km (0.041 R)
• M23: 2,849,540 km (0.098 R)
• M24: 2,919,702 km (0.101 R)
• M25: 3,017,389 km (0.073 R)
• M26: 3,116,124 km (0.063 R)
• M27: 3,234,156 km (0.114 R)
• M28: 3,362,960 km (0.093 R)
• M29: 3,540,533 km (0.047 R)
• M30: 3,635,228 km (0.098 R)
• M31: 3,740,545 km (0.115 R)
• M32: 4,151,491 km (0.101 R)
• M33: 4,433,482 km (0.076 R)
• M34: 4,587,120 km (0.045 R)
• M35: 4,815,705 km (0.056 R)
• M36: 4,889,307 km (0.096 R)
• M37: 4,952,587 km (0.088 R)
• M38: 5,069,423 km (0.118 R)
• M39: 5,176,386 km (0.08 R)
• M40: 5,370,863 km (0.11 R)
• M41: 5,436,237 km (0.058 R)
• M42: 5,523,901 km (0.116 R)
• M43: 5,778,367 km (0.054 R)
• M44: 6,025,353 km (0.12 R)
• M45: 6,104,640 km (0.073 R)
• M46: 6,333,226 km (0.05 R)
• M47: 6,704,827 km (0.112 R)
• M48: 6,810,593 km (0.103 R)
• M49: 6,869,534 km (0.073 R)
• M50: 6,940,593 km (0.035 R)
• M51: 7,059,524 km (0.068 R)
• M52: 7,155,266 km (0.099 R)
• M53: 7,239,340 km (0.085 R)
• M54: 7,299,628 km (0.072 R)
• M55: 7,676,764 km (0.079 R)
• M56: 7,936,017 km (0.087 R)
• M57: 8,010,667 km (0.117 R)
• M58: 8,273,510 km (0.089 R)
• M59: 8,463,051 km (0.079 R)
• M60: 8,577,493 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 11.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.07 AU - 1.21 AU

Year: 826 Days

Day: 5.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 42,412,038 km

• M1: 148,251 km (0.106 R)
• M2: 223,499 km (0.117 R)
• M3: 304,432 km (0.084 R)
• M4: 648,058 km (0.095 R)
• M5: 741,108 km (0.093 R)
• M6: 851,212 km (0.117 R)
• M7: 948,750 km (0.114 R)
• M8: 1,056,759 km (0.106 R)
• M9: 1,142,479 km (0.106 R)
• M10: 1,251,386 km (0.097 R)
• M11: 1,407,267 km (0.097 R)
• M12: 1,569,730 km (0.062 R)
• M13: 1,645,726 km (0.096 R)
• M14: 1,770,192 km (0.117 R)
• M15: 1,849,478 km (0.116 R)
• M16: 2,036,775 km (0.102 R)
• M17: 2,213,450 km (0.115 R)
• M18: 2,395,212 km (0.111 R)
• M19: 2,582,059 km (0.111 R)
• M20: 2,709,367 km (0.075 R)
• M21: 2,792,394 km (0.034 R)
• M22: 3,152,177 km (0.077 R)
• M23: 3,229,968 km (0.112 R)
• M24: 3,308,207 km (0.117 R)
• M25: 3,387,195 km (0.119 R)
• M26: 3,537,092 km (0.04 R)
• M27: 3,648,542 km (0.12 R)
• M28: 3,750,718 km (0.11 R)
• M29: 4,084,471 km (0.11 R)
• M30: 4,158,671 km (0.081 R)
• M31: 4,265,634 km (0.08 R)
• M32: 4,581,136 km (0.106 R)
• M33: 4,847,869 km (0.085 R)
• M34: 4,949,296 km (0.079 R)
• M35: 5,292,473 km (0.101 R)
• M36: 5,420,230 km (0.097 R)
• M37: 5,678,885 km (0.104 R)
• M38: 5,881,590 km (0.113 R)
• M39: 6,050,336 km (0.08 R)
• M40: 6,147,575 km (0.098 R)
• M41: 6,294,330 km (0.109 R)
• M42: 6,479,383 km (0.075 R)
• M43: 6,616,265 km (0.042 R)
• M44: 6,716,346 km (0.105 R)
• M45: 6,804,459 km (0.084 R)
• M46: 6,943,585 km (0.116 R)
• M47: 7,083,758 km (0.108 R)
• M48: 7,353,783 km (0.119 R)
• M49: 7,732,415 km (0.025 R)
• M50: 7,864,510 km (0.098 R)
• M51: 7,970,724 km (0.082 R)
• M52: 8,197,963 km (0.081 R)
• M53: 8,305,674 km (0.048 R)
• M54: 8,495,214 km (0.11 R)
• M55: 8,576,895 km (0.075 R)
• M56: 8,947,897 km (0.112 R)
• M57: 9,492,882 km (0.114 R)
• M58: 9,577,704 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.6

Radius: 10

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.7 AU - 2.04 AU

Year: 1734 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,412,038 km

• M1: 177,124 km (0.083 R)
• M2: 428,897 km (0.059 R)
• M3: 643,420 km (0.109 R)
• M4: 1,123,031 km (0.113 R)
• M5: 1,417,290 km (0.055 R)
• M6: 1,568,982 km (0.106 R)
• M7: 1,868,627 km (0.065 R)
• M8: 1,954,047 km (0.119 R)
• M9: 2,097,661 km (0.072 R)
• M10: 2,417,202 km (0.095 R)
• M11: 2,510,701 km (0.071 R)
• M12: 2,599,712 km (0.103 R)
• M13: 2,902,348 km (0.111 R)
• M14: 3,096,676 km (0.071 R)
• M15: 3,204,386 km (0.114 R)
• M16: 3,331,844 km (0.117 R)
• M17: 3,654,526 km (0.069 R)
• M18: 3,993,814 km (0.096 R)
• M19: 4,471,032 km (0.058 R)
• M20: 4,668,501 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 11.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.79 AU - 2.51 AU

Year: 2138 Days

Day: 12.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 42,412,038 km

• M1: 144,661 km (0.062 R)
• M2: 226,192 km (0.031 R)
• M3: 351,405 km (0.104 R)
• M4: 528,828 km (0.037 R)
• M5: 685,607 km (0.035 R)
• M6: 778,208 km (0.09 R)
• M7: 926,011 km (0.104 R)
• M8: 1,065,735 km (0.099 R)
• M9: 1,156,691 km (0.065 R)
• M10: 1,298,659 km (0.119 R)
• M11: 1,396,496 km (0.05 R)
• M12: 1,663,229 km (0.075 R)
• M13: 1,879,697 km (0.093 R)
• M14: 2,233,646 km (0.089 R)
• M15: 2,364,394 km (0.093 R)
• M16: 2,510,103 km (0.115 R)
• M17: 2,633,820 km (0.091 R)
• M18: 2,823,211 km (0.042 R)
• M19: 3,056,434 km (0.094 R)
• M20: 3,175,514 km (0.06 R)
• M21: 3,282,626 km (0.056 R)
• M22: 3,445,688 km (0.086 R)
• M23: 3,709,429 km (0.087 R)
• M24: 3,836,737 km (0.063 R)
• M25: 4,037,497 km (0.084 R)
• M26: 4,153,884 km (0.106 R)
• M27: 4,434,829 km (0.112 R)
• M28: 4,706,648 km (0.072 R)
• M29: 4,860,136 km (0.091 R)
• M30: 5,015,269 km (0.119 R)
• M31: 5,109,066 km (0.061 R)
• M32: 5,314,464 km (0.039 R)
• M33: 6,013,386 km (0.104 R)
• M34: 6,297,771 km (0.09 R)
• M35: 6,416,103 km (0.049 R)
• M36: 6,637,957 km (0.1 R)
• M37: 6,792,940 km (0.096 R)
• M38: 7,212,413 km (0.082 R)
• M39: 7,283,172 km (0.118 R)
• M40: 7,443,092 km (0.082 R)
• M41: 7,640,262 km (0.108 R)
• M42: 8,168,343 km (0.039 R)
• M43: 8,859,336 km (0.101 R)
• M44: 9,183,065 km (0.082 R)
• M45: 9,646,819 km (0.032 R)
• M46: 9,724,759 km (0.106 R)
• M47: 9,842,194 km (0.05 R)
• M48: 10,058,811 km (0.095 R)
• M49: 10,137,949 km (0.119 R)
• M50: 10,217,235 km (0.101 R)
• M51: 10,496,684 km (0.06 R)
• M52: 10,577,018 km (0.074 R)
• M53: 10,657,502 km (0.105 R)
• M54: 11,083,407 km (0.116 R)
• M55: 11,267,712 km (0.104 R)
• M56: 11,411,774 km (0.086 R)
• M57: 11,868,497 km (0.059 R)
• M58: 12,183,251 km (0.098 R)
• M59: 12,479,604 km (0.115 R)
• M60: 12,564,725 km (0.057 R)
• M61: 12,885,613 km (0.038 R)
• M62: 12,971,631 km (0.074 R)
• M63: 13,187,501 km (0.051 R)
• M64: 14,040,957 km (0.111 R)
• M65: 14,485,562 km (0.072 R)
• M66: 14,687,070 km (0.108 R)
• M67: 14,912,215 km (0.115 R)
• M68: 15,274,691 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 11.8

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.11 AU - 3.21 AU

Year: 2942 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,412,038 km

• M1: 210,035 km (0.094 R)
• M2: 298,597 km (0.065 R)
• M3: 523,144 km (0.072 R)
• M4: 621,130 km (0.054 R)
• M5: 741,407 km (0.116 R)
• M6: 886,667 km (0.056 R)
• M7: 977,772 km (0.087 R)
• M8: 1,216,081 km (0.071 R)
• M9: 1,318,855 km (0.073 R)
• M10: 1,528,441 km (0.097 R)
• M11: 1,743,862 km (0.119 R)
• M12: 1,887,925 km (0.12 R)
• M13: 2,199,238 km (0.053 R)
• M14: 2,575,477 km (0.099 R)
• M15: 2,703,533 km (0.113 R)
• M16: 2,839,816 km (0.027 R)
• M17: 3,023,223 km (0.073 R)
• M18: 3,106,699 km (0.099 R)
• M19: 3,210,520 km (0.096 R)
• M20: 3,322,270 km (0.099 R)
• M21: 3,461,994 km (0.069 R)
• M22: 3,865,160 km (0.1 R)
• M23: 4,154,183 km (0.087 R)
• M24: 4,233,021 km (0.055 R)
• M25: 4,553,310 km (0.095 R)
• M26: 4,723,852 km (0.079 R)
• M27: 5,225,005 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.2

Radius: 3.2

Gravity: 27.56 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.77 AU - 7.53 AU

Year: 12967 Days

Day: 24.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 42,412,038 km

• M1: 75,996 km (0.093 R)
• M2: 142,118 km (0.107 R)
• M3: 404,513 km (0.101 R)
• M4: 499,358 km (0.108 R)
• M5: 927,507 km (0.097 R)
• M6: 1,034,768 km (0.093 R)
• M7: 1,071,420 km (0.083 R)
• M8: 1,145,920 km (0.113 R)
• M9: 1,399,937 km (0.081 R)
• M10: 1,460,973 km (0.095 R)
• M11: 2,094,969 km (0.06 R)
• M12: 2,235,591 km (0.037 R)
• M13: 2,575,627 km (0.05 R)
• M14: 2,600,460 km (0.104 R)
• M15: 2,751,554 km (0.114 R)
• M16: 2,777,135 km (0.11 R)
• M17: 3,302,672 km (0.102 R)
• M18: 3,688,485 km (0.072 R)
• M19: 3,943,998 km (0.066 R)
• M20: 4,263,988 km (0.109 R)
• M21: 4,713,679 km (0.116 R)
• M22: 4,836,050 km (0.028 R)
• M23: 4,866,868 km (0.099 R)
• M24: 5,209,746 km (0.074 R)
• M25: 5,400,034 km (0.076 R)
• M26: 5,787,343 km (0.078 R)
• M27: 5,885,629 km (0.093 R)
• M28: 6,385,136 km (0.085 R)
• M29: 6,622,847 km (0.082 R)
• M30: 8,145,454 km (0.102 R)
• M31: 8,366,111 km (0.081 R)
• M32: 8,514,363 km (0.037 R)
• M33: 9,383,526 km (0.11 R)
• M34: 10,043,851 km (0.057 R)
• M35: 10,280,515 km (0.105 R)
• M36: 10,759,228 km (0.054 R)
• M37: 11,367,793 km (0.079 R)
• M38: 11,573,190 km (0.029 R)
• M39: 11,655,619 km (0.092 R)
• M40: 12,533,310 km (0.107 R)
• M41: 13,388,860 km (0.053 R)
• M42: 13,605,777 km (0.1 R)
• M43: 13,692,843 km (0.092 R)
• M44: 13,780,058 km (0.059 R)
• M45: 14,263,110 km (0.052 R)
• M46: 15,110,582 km (0.117 R)
• M47: 15,245,968 km (0.096 R)
• M48: 15,608,743 km (0.106 R)
• M49: 15,791,102 km (0.117 R)
• M50: 15,928,433 km (0.115 R)
• M51: 16,296,444 km (0.084 R)
• M52: 17,701,467 km (0.12 R)
• M53: 18,034,921 km (0.085 R)
• M54: 18,853,072 km (0.072 R)
• M55: 19,047,399 km (0.1 R)
• M56: 20,376,128 km (0.078 R)
• M57: 21,177,523 km (0.117 R)
• M58: 21,278,352 km (0.052 R)
• M59: 21,632,750 km (0.117 R)
• M60: 22,759,222 km (0.057 R)
• M61: 23,329,638 km (0.114 R)
• M62: 23,433,758 km (0.1 R)
• M63: 23,747,316 km (0.09 R)
• M64: 24,167,536 km (0.088 R)
• M65: 24,908,793 km (0.075 R)
• M66: 25,550,120 km (0.106 R)
• M67: 26,196,831 km (0.108 R)
• M68: 26,413,598 km (0.108 R)
• M69: 27,122,244 km (0.115 R)
• M70: 27,231,749 km (0.116 R)
• M71: 27,892,224 km (0.069 R)
• M72: 27,947,575 km (0.053 R)
• M73: 28,113,629 km (0.041 R)
• M74: 28,892,884 km (0.088 R)
• M75: 29,848,665 km (0.098 R)
• M76: 30,245,249 km (0.054 R)
• M77: 30,757,771 km (0.043 R)
• M78: 31,158,245 km (0.09 R)
• M79: 31,272,986 km (0.108 R)
• M80: 31,848,938 km (0.119 R)
• M81: 32,022,322 km (0.119 R)
• M82: 32,138,111 km (0.108 R)
• M83: 32,602,762 km (0.064 R)
• M84: 32,777,641 km (0.119 R)
• M85: 33,303,927 km (0.115 R)
• M86: 33,774,113 km (0.053 R)
• M87: 34,542,747 km (0.1 R)
• M88: 35,616,560 km (0.084 R)
• M89: 35,676,549 km (0.059 R)
• M90: 35,796,526 km (0.108 R)
• M91: 35,856,665 km (0.103 R)
• M92: 36,519,683 km (0.113 R)
• M93: 37,980,506 km (0.118 R)
• M94: 38,225,846 km (0.093 R)
• M95: 38,594,755 km (0.099 R)
• M96: 39,460,178 km (0.091 R)
• M97: 42,412,044 km (0.034 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 18,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit