🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 12.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.63 AU - 0.81 AU

Year: 394 Days

Day: 14.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,518,604 km

• M1: 150,645 km (0.084 R)
• M2: 583,880 km (0.104 R)
• M3: 978,968 km (0.033 R)
• M4: 1,541,756 km (0.095 R)
• M5: 2,156,753 km (0.103 R)
• M6: 2,575,776 km (0.086 R)
• M7: 3,182,096 km (0.054 R)
• M8: 3,580,625 km (0.053 R)
• M9: 4,906,212 km (0.062 R)
• M10: 5,655,847 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.6

Radius: 8.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.28 AU - 3.48 AU

Year: 4012 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,518,604 km

• M1: 104,419 km (0.115 R)
• M2: 410,497 km (0.111 R)
• M3: 750,832 km (0.116 R)
• M4: 1,551,330 km (0.076 R)
• M5: 1,839,156 km (0.114 R)
• M6: 2,413,462 km (0.102 R)
• M7: 2,772,797 km (0.109 R)
• M8: 3,134,823 km (0.114 R)
• M9: 3,545,918 km (0.109 R)
• M10: 4,290,617 km (0.108 R)
• M11: 4,624,818 km (0.111 R)
• M12: 4,953,933 km (0.067 R)
• M13: 5,683,672 km (0.11 R)
• M14: 6,035,975 km (0.077 R)
• M15: 7,473,910 km (0.055 R)
• M16: 7,774,751 km (0.088 R)
• M17: 8,241,048 km (0.054 R)
• M18: 8,825,078 km (0.099 R)
• M19: 11,283,120 km (0.107 R)
• M20: 14,860,304 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 13.5

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.28 AU - 3.82 AU

Year: 4319 Days

Day: 12.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,518,604 km

• M1: 168,148 km (0.069 R)
• M2: 845,228 km (0.041 R)
• M3: 1,791,883 km (0.108 R)
• M4: 2,684,235 km (0.071 R)
• M5: 3,173,719 km (0.073 R)
• M6: 3,611,592 km (0.119 R)
• M7: 4,439,616 km (0.066 R)
• M8: 9,885,726 km (0.092 R)
• M9: 10,946,226 km (0.116 R)
• M10: 11,423,443 km (0.103 R)
• M11: 13,338,296 km (0.039 R)
• M12: 15,458,696 km (0.079 R)
• M13: 16,469,978 km (0.047 R)
• M14: 19,363,051 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 11.3

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.88 AU - 4.42 AU

Year: 5459 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,518,604 km

• M1: 140,472 km (0.113 R)
• M2: 654,341 km (0.108 R)
• M3: 1,097,899 km (0.076 R)
• M4: 1,633,908 km (0.037 R)
• M5: 2,165,878 km (0.104 R)
• M6: 3,003,626 km (0.045 R)
• M7: 3,525,124 km (0.071 R)
• M8: 4,086,116 km (0.046 R)
• M9: 4,979,964 km (0.115 R)
• M10: 5,486,053 km (0.06 R)
• M11: 6,159,992 km (0.108 R)
• M12: 8,119,873 km (0.089 R)
• M13: 8,754,019 km (0.084 R)
• M14: 9,970,848 km (0.093 R)
• M15: 11,625,699 km (0.107 R)
• M16: 13,049,123 km (0.034 R)
• M17: 13,411,000 km (0.1 R)
• M18: 18,125,876 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 9.8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.19 AU - 6.15 AU

Year: 8717 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,518,604 km

• M1: 122,221 km (0.118 R)
• M2: 506,389 km (0.111 R)
• M3: 948,750 km (0.102 R)
• M4: 1,655,600 km (0.117 R)
• M5: 2,027,201 km (0.11 R)
• M6: 3,259,438 km (0.028 R)
• M7: 3,667,242 km (0.056 R)
• M8: 4,508,132 km (0.099 R)
• M9: 5,043,692 km (0.075 R)
• M10: 5,502,060 km (0.063 R)
• M11: 6,804,908 km (0.1 R)
• M12: 8,186,145 km (0.107 R)
• M13: 11,157,458 km (0.058 R)
• M14: 11,689,727 km (0.098 R)
• M15: 12,289,615 km (0.088 R)
• M16: 12,649,098 km (0.091 R)
• M17: 13,659,931 km (0.1 R)
• M18: 16,452,923 km (0.117 R)
• M19: 19,605,848 km (0.075 R)
• M20: 23,140,397 km (0.081 R)
• M21: 23,926,833 km (0.089 R)
• M22: 27,687,873 km (0.062 R)
• M23: 28,306,311 km (0.092 R)
• M24: 31,921,942 km (0.11 R)
• M25: 32,504,177 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44

Radius: 7.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.76 AU - 7.5 AU

Year: 11023 Days

Day: 23.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,518,604 km

• M1: 96,491 km (0.113 R)
• M2: 691,441 km (0.09 R)
• M3: 1,305,092 km (0.074 R)
• M4: 2,028,996 km (0.096 R)
• M5: 4,304,380 km (0.118 R)
• M6: 5,669,011 km (0.11 R)
• M7: 8,424,604 km (0.1 R)
• M8: 11,254,996 km (0.076 R)
• M9: 16,284,327 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.8

Radius: 6

Gravity: 27.77 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.43 AU - 7.63 AU

Year: 12035 Days

Day: 20.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,518,604 km

• M1: 90,656 km (0.09 R)
• M2: 299,046 km (0.105 R)
• M3: 611,706 km (0.094 R)
• M4: 913,445 km (0.109 R)
• M5: 1,338,602 km (0.113 R)
• M6: 1,573,171 km (0.039 R)
• M7: 2,106,936 km (0.086 R)
• M8: 2,405,384 km (0.112 R)
• M9: 4,562,137 km (0.053 R)
• M10: 4,758,259 km (0.115 R)
• M11: 5,344,384 km (0.096 R)
• M12: 6,535,632 km (0.06 R)
• M13: 7,303,368 km (0.117 R)
• M14: 11,573,789 km (0.104 R)
• M15: 14,932,111 km (0.114 R)
• M16: 15,659,008 km (0.071 R)
• M17: 24,471,968 km (0.027 R)
• M18: 43,390,713 km (0.107 R)
• M19: 49,657,068 km (0.108 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: 353 - 10,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit