🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 12.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.42 AU - 0.62 AU

Year: 264 Days

Day: 14.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,843,359 km

• M1: 151,692 km (0.086 R)
• M2: 542,591 km (0.109 R)
• M3: 948,600 km (0.035 R)
• M4: 1,478,625 km (0.08 R)
• M5: 1,884,484 km (0.104 R)
• M6: 2,438,744 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 14.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.56 AU - 0.72 AU

Year: 360 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,843,359 km

• M1: 184,005 km (0.11 R)
• M2: 666,159 km (0.026 R)
• M3: 1,137,243 km (0.113 R)
• M4: 1,741,768 km (0.059 R)
• M5: 2,455,948 km (0.09 R)
• M6: 2,951,117 km (0.098 R)
• M7: 3,634,480 km (0.089 R)
• M8: 4,201,307 km (0.074 R)
• M9: 4,797,305 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 10.7

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.69 AU - 0.91 AU

Year: 503 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,843,359 km

• M1: 133,142 km (0.091 R)
• M2: 595,400 km (0.096 R)
• M3: 1,031,926 km (0.087 R)
• M4: 1,816,268 km (0.066 R)
• M5: 2,423,037 km (0.065 R)
• M6: 3,233,408 km (0.074 R)
• M7: 3,722,145 km (0.089 R)
• M8: 4,962,610 km (0.082 R)
• M9: 6,420,890 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.2

Radius: 8

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.13 AU - 1.19 AU

Year: 878 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,843,359 km

• M1: 99,483 km (0.05 R)
• M2: 358,736 km (0.074 R)
• M3: 646,712 km (0.099 R)
• M4: 921,224 km (0.108 R)
• M5: 1,267,692 km (0.088 R)
• M6: 1,594,115 km (0.116 R)
• M7: 1,848,880 km (0.119 R)
• M8: 2,395,660 km (0.1 R)
• M9: 2,770,253 km (0.09 R)
• M10: 3,086,653 km (0.092 R)
• M11: 3,368,794 km (0.091 R)
• M12: 3,792,755 km (0.117 R)
• M13: 4,251,721 km (0.046 R)
• M14: 4,566,176 km (0.085 R)
• M15: 4,952,438 km (0.057 R)
• M16: 5,542,152 km (0.112 R)
• M17: 7,027,210 km (0.055 R)
• M18: 7,368,294 km (0.117 R)
• M19: 7,694,866 km (0.036 R)
• M20: 8,057,341 km (0.119 R)
• M21: 8,512,717 km (0.084 R)
• M22: 8,985,147 km (0.106 R)
• M23: 9,592,814 km (0.085 R)
• M24: 10,476,488 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 11

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.05 AU - 1.51 AU

Year: 1018 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,843,359 km

• M1: 136,882 km (0.073 R)
• M2: 527,482 km (0.071 R)
• M3: 1,035,666 km (0.085 R)
• M4: 1,487,900 km (0.072 R)
• M5: 1,979,030 km (0.107 R)
• M6: 2,516,535 km (0.11 R)
• M7: 2,958,447 km (0.026 R)
• M8: 3,392,880 km (0.089 R)
• M9: 4,218,062 km (0.069 R)
• M10: 4,587,269 km (0.107 R)
• M11: 5,827,136 km (0.116 R)
• M12: 6,241,672 km (0.07 R)
• M13: 6,746,415 km (0.111 R)
• M14: 7,579,825 km (0.071 R)
• M15: 9,362,732 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.7

Radius: 13.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.71 AU - 3.07 AU

Year: 3453 Days

Day: 6.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,843,359 km

• M1: 167,849 km (0.117 R)
• M2: 621,430 km (0.109 R)
• M3: 1,302,997 km (0.086 R)
• M4: 1,734,139 km (0.115 R)
• M5: 3,148,287 km (0.12 R)
• M6: 3,692,524 km (0.104 R)
• M7: 4,414,334 km (0.055 R)
• M8: 6,837,670 km (0.025 R)
• M9: 7,790,608 km (0.097 R)
• M10: 8,245,835 km (0.11 R)
• M11: 10,330,481 km (0.04 R)
• M12: 10,794,833 km (0.065 R)
• M13: 11,450,670 km (0.101 R)
• M14: 11,994,308 km (0.082 R)
• M15: 13,035,958 km (0.061 R)
• M16: 14,552,282 km (0.033 R)
• M17: 16,868,805 km (0.067 R)
• M18: 18,114,956 km (0.103 R)
• M19: 18,729,504 km (0.113 R)
• M20: 20,065,413 km (0.03 R)
• M21: 22,713,594 km (0.074 R)
• M22: 23,864,750 km (0.097 R)
• M23: 25,740,558 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.8

Radius: 8.8

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.88 AU - 3.96 AU

Year: 4446 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,843,359 km

• M1: 116,537 km (0.078 R)
• M2: 417,079 km (0.096 R)
• M3: 795,861 km (0.11 R)
• M4: 1,433,746 km (0.112 R)
• M5: 1,917,097 km (0.096 R)
• M6: 2,773,096 km (0.045 R)
• M7: 3,465,734 km (0.094 R)
• M8: 4,458,017 km (0.117 R)
• M9: 4,955,579 km (0.098 R)
• M10: 5,352,612 km (0.12 R)
• M11: 7,910,586 km (0.104 R)
• M12: 8,753,570 km (0.112 R)
• M13: 9,138,336 km (0.112 R)
• M14: 9,655,196 km (0.097 R)
• M15: 10,107,730 km (0.049 R)
• M16: 13,681,772 km (0.103 R)
• M17: 15,112,078 km (0.032 R)
• M18: 16,933,282 km (0.098 R)
• M19: 17,835,507 km (0.107 R)
• M20: 19,866,747 km (0.055 R)
• M21: 20,397,670 km (0.083 R)
• M22: 22,473,490 km (0.056 R)
• M23: 25,068,564 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.7

Radius: 4.9

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.36 AU - 9.32 AU

Year: 15431 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,843,359 km

• M1: 60,886 km (0.062 R)
• M2: 274,512 km (0.119 R)
• M3: 484,099 km (0.107 R)
• M4: 668,104 km (0.077 R)
• M5: 937,679 km (0.119 R)
• M6: 1,377,048 km (0.101 R)
• M7: 1,578,856 km (0.037 R)
• M8: 1,739,225 km (0.087 R)
• M9: 2,197,742 km (0.085 R)
• M10: 2,692,014 km (0.105 R)
• M11: 2,965,329 km (0.104 R)
• M12: 4,056,945 km (0.094 R)
• M13: 4,589,812 km (0.062 R)
• M14: 5,136,293 km (0.076 R)
• M15: 5,425,316 km (0.099 R)
• M16: 5,861,843 km (0.088 R)
• M17: 6,035,975 km (0.067 R)
• M18: 7,114,276 km (0.12 R)
• M19: 7,392,678 km (0.111 R)
• M20: 9,453,688 km (0.109 R)
• M21: 9,741,664 km (0.05 R)
• M22: 9,986,107 km (0.111 R)
• M23: 11,057,826 km (0.101 R)
• M24: 12,776,556 km (0.115 R)
• M25: 12,951,884 km (0.105 R)
• M26: 15,051,790 km (0.025 R)
• M27: 17,511,478 km (0.101 R)
• M28: 19,446,078 km (0.084 R)
• M29: 19,600,463 km (0.077 R)
• M30: 35,710,358 km (0.112 R)
• M31: 38,315,007 km (0.116 R)
• M32: 39,046,690 km (0.116 R)
• M33: 41,553,053 km (0.113 R)
• M34: 42,976,327 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.8

Radius: 3.8

Gravity: 68.82 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.15 AU - 9.21 AU

Year: 19551 Days

Day: 24.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,843,359 km

• M1: 47,423 km (0.117 R)
• M2: 369,208 km (0.113 R)
• M3: 533,616 km (0.056 R)
• M4: 788,530 km (0.043 R)
• M5: 937,979 km (0.101 R)
• M6: 1,263,952 km (0.044 R)
• M7: 1,388,119 km (0.076 R)
• M8: 4,700,215 km (0.11 R)
• M9: 5,116,098 km (0.09 R)
• M10: 5,393,153 km (0.09 R)
• M11: 6,979,040 km (0.099 R)
• M12: 7,982,243 km (0.1 R)
• M13: 9,192,490 km (0.073 R)
• M14: 10,838,665 km (0.115 R)
• M15: 11,495,250 km (0.115 R)
• M16: 16,336,536 km (0.084 R)
• M17: 18,363,288 km (0.083 R)
• M18: 19,867,944 km (0.113 R)
• M19: 21,656,685 km (0.12 R)
• M20: 22,380,440 km (0.028 R)
• M21: 23,441,986 km (0.076 R)
• M22: 25,436,724 km (0.115 R)
• M23: 30,013,671 km (0.111 R)
• M24: 30,653,950 km (0.077 R)
• M25: 31,829,341 km (0.109 R)
• M26: 34,130,754 km (0.109 R)
• M27: 36,540,925 km (0.104 R)
• M28: 36,831,594 km (0.08 R)
• M29: 52,122,591 km (0.077 R)
• M30: 60,839,060 km (0.096 R)
• M31: 63,736,771 km (0.113 R)
• M32: 64,793,531 km (0.054 R)
• M33: 67,159,421 km (0.103 R)
• M34: 67,814,510 km (0.104 R)
• M35: 69,359,557 km (0.101 R)
• M36: 76,247,791 km (0.106 R)
• M37: 81,827,193 km (0.045 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 10,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit