🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.7

Radius: 12.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 9 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,807,162 km

• M1: 150,495 km (0.082 R)
• M2: 648,357 km (0.066 R)
• M3: 1,024,745 km (0.064 R)
• M4: 1,548,936 km (0.109 R)
• M5: 2,686,179 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.4

Radius: 9.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 11 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,807,162 km

• M1: 118,182 km (0.099 R)
• M2: 470,934 km (0.098 R)
• M3: 790,625 km (0.107 R)
• M4: 1,175,241 km (0.091 R)
• M5: 1,596,209 km (0.096 R)
• M6: 2,034,381 km (0.04 R)
• M7: 2,517,433 km (0.091 R)
• M8: 3,680,556 km (0.052 R)
• M9: 4,035,403 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 10.9

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.46 AU - 1.86 AU

Year: 1426 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,807,162 km

• M1: 143,165 km (0.113 R)
• M2: 1,329,327 km (0.119 R)
• M3: 2,144,186 km (0.046 R)
• M4: 2,497,985 km (0.092 R)
• M5: 3,059,576 km (0.077 R)
• M6: 4,976,672 km (0.074 R)
• M7: 7,272,551 km (0.109 R)
• M8: 7,942,001 km (0.092 R)
• M9: 8,917,978 km (0.039 R)
• M10: 9,497,221 km (0.045 R)
• M11: 10,166,372 km (0.115 R)
• M12: 11,281,175 km (0.066 R)
• M13: 12,701,607 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.5

Radius: 9.5

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.7 AU - 2.56 AU

Year: 2073 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,807,162 km

• M1: 152,440 km (0.066 R)
• M2: 523,742 km (0.073 R)
• M3: 1,272,779 km (0.107 R)
• M4: 1,767,349 km (0.108 R)
• M5: 2,145,981 km (0.071 R)
• M6: 2,600,460 km (0.086 R)
• M7: 4,067,566 km (0.105 R)
• M8: 7,599,123 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 12.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.92 AU - 3.52 AU

Year: 3853 Days

Day: 13.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,807,162 km

• M1: 150,495 km (0.105 R)
• M2: 775,515 km (0.04 R)
• M3: 1,694,944 km (0.079 R)
• M4: 2,137,305 km (0.037 R)
• M5: 2,719,839 km (0.083 R)
• M6: 4,313,655 km (0.082 R)
• M7: 7,682,898 km (0.113 R)
• M8: 13,476,973 km (0.041 R)
• M9: 15,569,847 km (0.1 R)
• M10: 15,991,713 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 12.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.53 AU - 5.01 AU

Year: 5884 Days

Day: 7.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,807,162 km

• M1: 157,227 km (0.105 R)
• M2: 613,202 km (0.104 R)
• M3: 1,650,214 km (0.081 R)
• M4: 5,687,861 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.5

Radius: 12.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.55 AU - 6.81 AU

Year: 9027 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,807,162 km

• M1: 159,322 km (0.077 R)
• M2: 975,977 km (0.082 R)
• M3: 2,466,869 km (0.076 R)
• M4: 3,778,992 km (0.107 R)
• M5: 6,180,935 km (0.075 R)
• M6: 6,791,893 km (0.062 R)
• M7: 8,475,318 km (0.089 R)
• M8: 9,885,278 km (0.039 R)
• M9: 10,671,564 km (0.094 R)
• M10: 14,610,326 km (0.109 R)
• M11: 19,502,326 km (0.03 R)
• M12: 20,581,525 km (0.099 R)
• M13: 22,191,647 km (0.072 R)
• M14: 23,282,365 km (0.052 R)
• M15: 28,489,867 km (0.107 R)
• M16: 30,283,546 km (0.115 R)
• M17: 35,545,800 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.7

Radius: 3.8

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.36 AU - 8.52 AU

Year: 12192 Days

Day: 17.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,807,162 km

• M1: 47,273 km (0.073 R)
• M2: 457,769 km (0.044 R)
• M3: 753,674 km (0.083 R)
• M4: 1,004,550 km (0.081 R)
• M5: 1,186,760 km (0.087 R)
• M6: 1,604,437 km (0.099 R)
• M7: 1,768,247 km (0.093 R)
• M8: 2,379,055 km (0.114 R)
• M9: 2,574,280 km (0.062 R)
• M10: 3,098,920 km (0.115 R)
• M11: 3,267,217 km (0.11 R)
• M12: 4,304,529 km (0.107 R)
• M13: 4,703,357 km (0.087 R)
• M14: 4,925,959 km (0.115 R)
• M15: 5,543,648 km (0.09 R)
• M16: 7,515,797 km (0.11 R)
• M17: 9,686,761 km (0.112 R)
• M18: 10,092,770 km (0.069 R)
• M19: 10,557,122 km (0.029 R)
• M20: 11,932,674 km (0.064 R)
• M21: 12,557,245 km (0.038 R)
• M22: 14,444,572 km (0.101 R)
• M23: 16,322,923 km (0.049 R)
• M24: 20,851,550 km (0.117 R)
• M25: 21,756,018 km (0.112 R)
• M26: 22,686,218 km (0.117 R)
• M27: 24,377,422 km (0.108 R)
• M28: 24,708,931 km (0.067 R)
• M29: 28,189,774 km (0.112 R)
• M30: 33,490,027 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.6

Radius: 3.8

Gravity: 40.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.64 AU - 9.18 AU

Year: 16264 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,807,162 km

• M1: 47,572 km (0.103 R)
• M2: 169,794 km (0.066 R)
• M3: 572,212 km (0.118 R)
• M4: 810,820 km (0.099 R)
• M5: 1,827,936 km (0.088 R)
• M6: 2,323,255 km (0.105 R)
• M7: 2,449,216 km (0.037 R)
• M8: 3,944,597 km (0.108 R)
• M9: 4,247,383 km (0.075 R)
• M10: 4,372,746 km (0.081 R)
• M11: 5,213,187 km (0.05 R)
• M12: 5,615,156 km (0.098 R)
• M13: 7,296,038 km (0.087 R)
• M14: 7,430,825 km (0.073 R)
• M15: 8,669,795 km (0.066 R)
• M16: 8,871,752 km (0.06 R)
• M17: 10,039,962 km (0.089 R)
• M18: 12,936,775 km (0.102 R)
• M19: 13,068,421 km (0.046 R)
• M20: 13,267,237 km (0.072 R)
• M21: 15,591,240 km (0.061 R)
• M22: 19,007,756 km (0.112 R)
• M23: 19,781,027 km (0.071 R)
• M24: 21,389,952 km (0.063 R)
• M25: 22,509,692 km (0.113 R)
• M26: 22,700,130 km (0.054 R)
• M27: 28,365,701 km (0.038 R)
• M28: 31,226,012 km (0.082 R)
• M29: 34,904,923 km (0.111 R)
• M30: 35,802,959 km (0.09 R)
• M31: 42,091,455 km (0.079 R)
• M32: 42,962,414 km (0.092 R)
• M33: 43,993,443 km (0.041 R)
• M34: 47,341,293 km (0.107 R)
• M35: 48,599,561 km (0.081 R)
• M36: 53,010,903 km (0.083 R)
• M37: 54,710,185 km (0.066 R)
• M38: 58,755,461 km (0.03 R)
• M39: 60,758,726 km (0.103 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 17,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit