🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 12.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.87 AU - 0.93 AU

Year: 579 Days

Day: 10.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,615,361 km

• M1: 154,235 km (0.09 R)
• M2: 569,669 km (0.098 R)
• M3: 1,024,446 km (0.099 R)
• M4: 1,612,216 km (0.081 R)
• M5: 2,206,269 km (0.051 R)
• M6: 2,781,772 km (0.05 R)
• M7: 3,306,562 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318

Radius: 11

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.87 AU - 4.73 AU

Year: 6048 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,615,361 km

• M1: 147,055 km (0.059 R)
• M2: 520,451 km (0.096 R)
• M3: 1,002,007 km (0.076 R)
• M4: 1,389,465 km (0.071 R)
• M5: 2,495,143 km (0.053 R)
• M6: 2,931,221 km (0.08 R)
• M7: 4,458,615 km (0.074 R)
• M8: 6,369,279 km (0.084 R)
• M9: 7,902,208 km (0.101 R)
• M10: 8,257,802 km (0.061 R)
• M11: 9,951,699 km (0.072 R)
• M12: 11,500,935 km (0.1 R)
• M13: 12,667,648 km (0.053 R)
• M14: 16,182,151 km (0.12 R)
• M15: 22,919,591 km (0.071 R)
• M16: 23,498,834 km (0.105 R)
• M17: 24,989,576 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.5

Radius: 11.8

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.73 AU - 6.07 AU

Year: 7357 Days

Day: 5.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,615,361 km

• M1: 149,299 km (0.12 R)
• M2: 531,820 km (0.059 R)
• M3: 992,881 km (0.105 R)
• M4: 1,711,250 km (0.11 R)
• M5: 3,187,482 km (0.102 R)
• M6: 4,008,924 km (0.045 R)
• M7: 4,545,980 km (0.05 R)
• M8: 6,581,409 km (0.118 R)
• M9: 8,250,921 km (0.117 R)
• M10: 8,959,865 km (0.119 R)
• M11: 10,635,062 km (0.077 R)
• M12: 11,379,611 km (0.117 R)
• M13: 12,408,994 km (0.104 R)
• M14: 14,040,807 km (0.083 R)
• M15: 19,175,754 km (0.072 R)
• M16: 20,845,715 km (0.115 R)
• M17: 22,384,629 km (0.107 R)
• M18: 23,607,142 km (0.084 R)
• M19: 25,035,054 km (0.111 R)
• M20: 26,857,455 km (0.067 R)
• M21: 28,325,010 km (0.086 R)
• M22: 29,212,874 km (0.094 R)
• M23: 30,951,051 km (0.041 R)
• M24: 31,419,592 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.7

Radius: 7.4

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.77 AU - 9.07 AU

Year: 13709 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,615,361 km

• M1: 92,451 km (0.091 R)
• M2: 693,237 km (0.088 R)
• M3: 1,029,981 km (0.104 R)
• M4: 2,056,971 km (0.082 R)
• M5: 2,381,748 km (0.051 R)
• M6: 3,384,053 km (0.118 R)
• M7: 3,782,881 km (0.069 R)
• M8: 5,448,354 km (0.104 R)
• M9: 8,001,841 km (0.067 R)
• M10: 9,824,541 km (0.047 R)
• M11: 11,610,291 km (0.11 R)
• M12: 16,324,718 km (0.107 R)
• M13: 18,977,537 km (0.102 R)
• M14: 22,085,732 km (0.098 R)
• M15: 22,450,751 km (0.118 R)
• M16: 22,819,809 km (0.044 R)
• M17: 24,433,671 km (0.101 R)
• M18: 29,070,157 km (0.086 R)
• M19: 30,398,886 km (0.096 R)
• M20: 30,850,671 km (0.068 R)
• M21: 35,868,184 km (0.107 R)
• M22: 38,044,982 km (0.081 R)
• M23: 42,378,384 km (0.084 R)
• M24: 43,226,006 km (0.06 R)
• M25: 50,892,298 km (0.044 R)
• M26: 54,960,911 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.6

Radius: 5.7

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.21 AU - 8.69 AU

Year: 16660 Days

Day: 24.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,615,361 km

• M1: 70,909 km (0.071 R)
• M2: 343,776 km (0.079 R)
• M3: 555,307 km (0.117 R)
• M4: 759,508 km (0.112 R)
• M5: 937,530 km (0.117 R)
• M6: 1,380,639 km (0.073 R)
• M7: 2,007,603 km (0.088 R)
• M8: 2,293,784 km (0.057 R)
• M9: 2,785,363 km (0.055 R)
• M10: 3,068,552 km (0.099 R)
• M11: 3,555,792 km (0.073 R)
• M12: 3,975,713 km (0.111 R)
• M13: 5,118,491 km (0.088 R)
• M14: 7,483,933 km (0.082 R)
• M15: 7,892,335 km (0.066 R)
• M16: 8,172,681 km (0.07 R)
• M17: 9,155,689 km (0.071 R)
• M18: 11,236,446 km (0.055 R)
• M19: 11,472,362 km (0.106 R)
• M20: 13,022,345 km (0.112 R)
• M21: 20,013,054 km (0.095 R)
• M22: 22,806,495 km (0.089 R)
• M23: 24,149,285 km (0.098 R)
• M24: 24,345,258 km (0.05 R)
• M25: 26,676,442 km (0.117 R)
• M26: 34,307,878 km (0.075 R)
• M27: 34,555,762 km (0.047 R)
• M28: 34,804,693 km (0.03 R)
• M29: 47,905,277 km (0.063 R)
• M30: 52,526,206 km (0.108 R)
• M31: 55,709,649 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.8

Radius: 3.9

Gravity: 35.56 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.97 AU - 11.37 AU

Year: 23639 Days

Day: 17.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,615,361 km

• M1: 52,808 km (0.044 R)
• M2: 829,371 km (0.05 R)
• M3: 955,482 km (0.099 R)
• M4: 1,081,144 km (0.119 R)
• M5: 2,299,618 km (0.107 R)
• M6: 2,504,119 km (0.045 R)
• M7: 3,163,845 km (0.067 R)
• M8: 4,781,148 km (0.103 R)
• M9: 5,114,602 km (0.045 R)
• M10: 7,160,352 km (0.088 R)
• M11: 7,303,817 km (0.087 R)
• M12: 7,646,097 km (0.088 R)
• M13: 8,737,413 km (0.098 R)
• M14: 9,123,077 km (0.104 R)
• M15: 11,547,759 km (0.093 R)
• M16: 13,191,540 km (0.081 R)
• M17: 13,625,524 km (0.089 R)
• M18: 14,294,376 km (0.106 R)
• M19: 14,522,064 km (0.108 R)
• M20: 17,533,170 km (0.106 R)
• M21: 17,881,733 km (0.1 R)
• M22: 18,057,660 km (0.064 R)
• M23: 19,046,352 km (0.118 R)
• M24: 21,032,862 km (0.051 R)
• M25: 32,144,543 km (0.076 R)
• M26: 33,593,249 km (0.107 R)
• M27: 37,189,283 km (0.055 R)
• M28: 41,339,876 km (0.115 R)
• M29: 42,423,712 km (0.098 R)
• M30: 50,898,132 km (0.031 R)
• M31: 57,898,415 km (0.116 R)
• M32: 61,627,441 km (0.106 R)
• M33: 62,230,470 km (0.038 R)
• M34: 65,304,856 km (0.118 R)
• M35: 68,479,024 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 10,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit