🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 10.6

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.8 AU - 1.02 AU

Year: 552 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,795,030 km

• M1: 132,693 km (0.104 R)
• M2: 495,917 km (0.117 R)
• M3: 864,227 km (0.054 R)
• M4: 1,301,352 km (0.119 R)
• M5: 2,238,134 km (0.108 R)
• M6: 2,892,475 km (0.103 R)
• M7: 3,643,007 km (0.062 R)
• M8: 4,006,381 km (0.099 R)
• M9: 5,090,516 km (0.084 R)
• M10: 5,600,645 km (0.086 R)
• M11: 6,048,392 km (0.109 R)
• M12: 6,379,900 km (0.084 R)
• M13: 7,536,890 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 11.9

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.98 AU - 1.24 AU

Year: 744 Days

Day: 13.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,795,030 km

• M1: 147,952 km (0.088 R)
• M2: 555,906 km (0.031 R)
• M3: 1,050,925 km (0.08 R)
• M4: 1,491,491 km (0.029 R)
• M5: 1,938,340 km (0.114 R)
• M6: 2,381,449 km (0.097 R)
• M7: 2,844,753 km (0.092 R)
• M8: 3,272,902 km (0.062 R)
• M9: 4,374,691 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.8

Radius: 10.5

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.71 AU - 2.37 AU

Year: 1853 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,795,030 km

• M1: 130,599 km (0.047 R)
• M2: 542,442 km (0.096 R)
• M3: 986,448 km (0.062 R)
• M4: 1,660,686 km (0.095 R)
• M5: 2,731,807 km (0.052 R)
• M6: 4,348,960 km (0.026 R)
• M7: 4,795,509 km (0.105 R)
• M8: 5,639,092 km (0.1 R)
• M9: 8,119,275 km (0.101 R)
• M10: 9,548,383 km (0.074 R)
• M11: 10,129,721 km (0.04 R)
• M12: 10,482,622 km (0.034 R)
• M13: 13,187,800 km (0.063 R)
• M14: 14,522,812 km (0.107 R)
• M15: 15,245,968 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.2

Radius: 9.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.1 AU - 2.22 AU

Year: 2018 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,795,030 km

• M1: 126,560 km (0.07 R)
• M2: 519,553 km (0.1 R)
• M3: 948,301 km (0.036 R)
• M4: 1,339,799 km (0.104 R)
• M5: 2,454,602 km (0.049 R)
• M6: 3,034,443 km (0.114 R)
• M7: 4,218,062 km (0.097 R)
• M8: 4,686,303 km (0.077 R)
• M9: 5,289,781 km (0.097 R)
• M10: 6,417,150 km (0.115 R)
• M11: 7,723,588 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 14.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.72 AU - 2.94 AU

Year: 3027 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,795,030 km

• M1: 177,872 km (0.094 R)
• M2: 1,040,004 km (0.1 R)
• M3: 1,536,520 km (0.079 R)
• M4: 3,228,472 km (0.076 R)
• M5: 4,190,835 km (0.09 R)
• M6: 5,726,756 km (0.083 R)
• M7: 8,244,039 km (0.116 R)
• M8: 11,341,463 km (0.068 R)
• M9: 14,837,117 km (0.108 R)
• M10: 16,092,991 km (0.083 R)
• M11: 16,968,886 km (0.114 R)
• M12: 17,761,157 km (0.099 R)
• M13: 19,726,424 km (0.107 R)
• M14: 21,114,692 km (0.05 R)
• M15: 22,567,138 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.6

Radius: 5

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.59 AU - 6.73 AU

Year: 9721 Days

Day: 18.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,795,030 km

• M1: 62,233 km (0.052 R)
• M2: 279,449 km (0.108 R)
• M3: 514,766 km (0.118 R)
• M4: 711,039 km (0.113 R)
• M5: 1,032,225 km (0.118 R)
• M6: 1,215,632 km (0.071 R)
• M7: 1,384,977 km (0.071 R)
• M8: 2,067,742 km (0.027 R)
• M9: 2,344,498 km (0.071 R)
• M10: 2,682,739 km (0.062 R)
• M11: 3,155,767 km (0.066 R)
• M12: 3,870,546 km (0.115 R)
• M13: 4,317,245 km (0.098 R)
• M14: 4,742,402 km (0.073 R)
• M15: 5,372,060 km (0.113 R)
• M16: 6,865,944 km (0.108 R)
• M17: 9,203,411 km (0.091 R)
• M18: 10,456,442 km (0.094 R)
• M19: 12,437,717 km (0.106 R)
• M20: 12,595,692 km (0.102 R)
• M21: 13,132,000 km (0.106 R)
• M22: 13,405,764 km (0.112 R)
• M23: 14,773,239 km (0.119 R)
• M24: 15,369,685 km (0.075 R)
• M25: 16,106,156 km (0.073 R)
• M26: 18,593,968 km (0.09 R)
• M27: 21,857,296 km (0.111 R)
• M28: 27,750,405 km (0.091 R)
• M29: 29,117,879 km (0.094 R)
• M30: 32,982,890 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.9

Radius: 4.9

Gravity: 32.98 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 11.04 AU - 11.12 AU

Year: 23450 Days

Day: 21.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,795,030 km

• M1: 92,751 km (0.092 R)
• M2: 279,299 km (0.104 R)
• M3: 3,457,057 km (0.067 R)
• M4: 6,266,505 km (0.073 R)
• M5: 7,415,417 km (0.097 R)
• M6: 8,868,012 km (0.101 R)
• M7: 12,110,696 km (0.059 R)
• M8: 14,743,618 km (0.108 R)
• M9: 19,419,748 km (0.054 R)
• M10: 29,337,788 km (0.11 R)
• M11: 34,015,713 km (0.093 R)
• M12: 34,579,997 km (0.098 R)
• M13: 40,099,260 km (0.106 R)
• M14: 42,494,622 km (0.099 R)
• M15: 50,797,902 km (0.094 R)
• M16: 52,842,007 km (0.11 R)
• M17: 58,492,618 km (0.097 R)
• M18: 60,324,893 km (0.1 R)
• M19: 70,975,363 km (0.094 R)
• M20: 71,204,847 km (0.066 R)
• M21: 80,048,325 km (0.034 R)
• M22: 84,346,122 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 19,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit