🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.3

Radius: 10.3

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.21 AU - 5.91 AU

Year: 4738 Days

Day: 6.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,243,528 km

• M1: 128,205 km (0.035 R)
• M2: 455,226 km (0.108 R)
• M3: 1,084,435 km (0.057 R)
• M4: 1,626,278 km (0.082 R)
• M5: 2,038,869 km (0.094 R)
• M6: 2,763,073 km (0.062 R)
• M7: 4,148,499 km (0.079 R)
• M8: 5,253,578 km (0.105 R)
• M9: 6,041,510 km (0.053 R)
• M10: 6,839,615 km (0.119 R)
• M11: 7,246,970 km (0.089 R)
• M12: 7,742,737 km (0.083 R)
• M13: 8,223,096 km (0.037 R)
• M14: 8,841,533 km (0.091 R)
• M15: 9,532,376 km (0.101 R)
• M16: 11,440,497 km (0.119 R)
• M17: 13,171,793 km (0.101 R)
• M18: 15,762,529 km (0.098 R)
• M19: 16,474,765 km (0.081 R)
• M20: 17,836,405 km (0.088 R)
• M21: 21,856,399 km (0.06 R)
• M22: 24,427,986 km (0.095 R)
• M23: 26,443,069 km (0.111 R)
• M24: 28,133,076 km (0.07 R)
• M25: 28,653,827 km (0.094 R)
• M26: 29,004,484 km (0.108 R)
• M27: 29,536,005 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 11

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.33 AU - 9.33 AU

Year: 11862 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 65.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,243,528 km

• M1: 136,732 km (0.105 R)
• M2: 644,318 km (0.116 R)
• M3: 1,057,657 km (0.111 R)
• M4: 1,736,831 km (0.119 R)
• M5: 2,748,262 km (0.1 R)
• M6: 3,407,540 km (0.074 R)
• M7: 3,929,637 km (0.096 R)
• M8: 4,306,773 km (0.104 R)
• M9: 6,065,296 km (0.067 R)
• M10: 7,065,956 km (0.088 R)
• M11: 7,708,778 km (0.073 R)
• M12: 9,487,497 km (0.097 R)
• M13: 10,120,446 km (0.045 R)
• M14: 10,523,761 km (0.087 R)
• M15: 10,937,699 km (0.109 R)
• M16: 12,132,836 km (0.115 R)
• M17: 15,039,373 km (0.075 R)
• M18: 15,432,666 km (0.073 R)
• M19: 18,530,389 km (0.089 R)
• M20: 20,623,862 km (0.098 R)
• M21: 22,188,655 km (0.119 R)
• M22: 22,613,214 km (0.117 R)
• M23: 23,043,308 km (0.081 R)
• M24: 23,654,415 km (0.118 R)
• M25: 24,909,242 km (0.118 R)
• M26: 27,746,815 km (0.073 R)
• M27: 29,959,966 km (0.092 R)
• M28: 31,215,540 km (0.096 R)
• M29: 33,943,458 km (0.061 R)
• M30: 39,000,763 km (0.101 R)
• M31: 40,750,011 km (0.037 R)
• M32: 43,603,591 km (0.088 R)

Planet 3 - Ice Giant

Semi-Major Axis: 11.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.9

Radius: 5.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.58 AU - 11.46 AU

Year: 15227 Days

Day: 18.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,243,528 km

• M1: 65,973 km (0.048 R)
• M2: 479,910 km (0.115 R)
• M3: 913,594 km (0.03 R)
• M4: 1,224,907 km (0.09 R)
• M5: 2,499,332 km (0.045 R)
• M6: 3,355,181 km (0.051 R)
• M7: 3,913,181 km (0.115 R)
• M8: 4,391,296 km (0.117 R)
• M9: 5,057,904 km (0.108 R)
• M10: 5,367,871 km (0.039 R)
• M11: 6,847,095 km (0.119 R)
• M12: 9,383,377 km (0.096 R)
• M13: 10,733,198 km (0.053 R)
• M14: 10,987,216 km (0.1 R)
• M15: 12,596,141 km (0.12 R)
• M16: 14,417,046 km (0.057 R)
• M17: 16,007,870 km (0.11 R)
• M18: 18,644,532 km (0.066 R)
• M19: 19,609,139 km (0.092 R)
• M20: 21,236,914 km (0.11 R)
• M21: 23,374,368 km (0.088 R)
• M22: 24,935,422 km (0.108 R)
• M23: 37,040,433 km (0.119 R)
• M24: 37,387,799 km (0.056 R)
• M25: 39,880,399 km (0.057 R)
• M26: 40,123,346 km (0.085 R)
• M27: 40,367,340 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.9

Radius: 5.2

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.77 AU - 13.35 AU

Year: 15310 Days

Day: 18.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,243,528 km

• M1: 64,776 km (0.049 R)
• M2: 477,816 km (0.085 R)
• M3: 683,363 km (0.089 R)
• M4: 965,205 km (0.091 R)
• M5: 1,459,028 km (0.049 R)
• M6: 2,393,267 km (0.075 R)
• M7: 5,013,773 km (0.04 R)
• M8: 8,188,539 km (0.077 R)
• M9: 9,645,323 km (0.113 R)
• M10: 10,300,262 km (0.041 R)
• M11: 11,031,048 km (0.08 R)
• M12: 11,844,860 km (0.042 R)
• M13: 13,484,004 km (0.051 R)
• M14: 18,627,029 km (0.075 R)
• M15: 25,591,259 km (0.086 R)
• M16: 27,526,008 km (0.061 R)
• M17: 29,196,119 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.1

Radius: 3.4

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 11.4 AU - 13.4 AU

Year: 18175 Days

Day: 19.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,243,528 km

• M1: 67,618 km (0.117 R)
• M2: 181,313 km (0.078 R)
• M3: 352,453 km (0.104 R)
• M4: 493,075 km (0.066 R)
• M5: 844,330 km (0.068 R)
• M6: 956,529 km (0.062 R)
• M7: 1,330,075 km (0.097 R)
• M8: 1,675,945 km (0.108 R)
• M9: 2,029,295 km (0.073 R)
• M10: 4,131,594 km (0.102 R)
• M11: 4,655,935 km (0.074 R)
• M12: 5,039,503 km (0.034 R)
• M13: 5,223,359 km (0.096 R)
• M14: 6,822,560 km (0.085 R)
• M15: 7,915,971 km (0.108 R)
• M16: 8,808,921 km (0.094 R)
• M17: 9,075,953 km (0.066 R)
• M18: 12,268,372 km (0.112 R)
• M19: 13,227,294 km (0.113 R)
• M20: 13,695,236 km (0.108 R)
• M21: 15,356,521 km (0.082 R)
• M22: 16,004,429 km (0.086 R)
• M23: 18,998,930 km (0.087 R)
• M24: 22,510,889 km (0.096 R)
• M25: 23,261,721 km (0.072 R)
• M26: 24,115,177 km (0.05 R)
• M27: 25,703,906 km (0.078 R)
• M28: 27,361,002 km (0.047 R)
• M29: 28,119,762 km (0.067 R)
• M30: 30,178,229 km (0.116 R)
• M31: 30,480,267 km (0.057 R)
• M32: 30,988,152 km (0.071 R)
• M33: 36,267,161 km (0.067 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: 268 - 14,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit