🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.1

Radius: 8.3

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.55 AU - 0.83 AU

Year: 403 Days

Day: 14.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,478,390 km

• M1: 103,372 km (0.098 R)
• M2: 363,523 km (0.09 R)
• M3: 709,094 km (0.094 R)
• M4: 1,097,151 km (0.066 R)
• M5: 1,988,006 km (0.088 R)
• M6: 2,633,222 km (0.093 R)
• M7: 2,946,480 km (0.045 R)
• M8: 3,273,501 km (0.092 R)
• M9: 3,673,226 km (0.116 R)
• M10: 4,039,591 km (0.103 R)
• M11: 4,333,701 km (0.085 R)
• M12: 4,670,894 km (0.086 R)
• M13: 5,209,596 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.9

Radius: 10.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.9 AU - 1.04 AU

Year: 672 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,478,390 km

• M1: 137,032 km (0.094 R)
• M2: 527,183 km (0.117 R)
• M3: 1,079,349 km (0.114 R)
• M4: 1,484,460 km (0.067 R)
• M5: 1,950,158 km (0.104 R)
• M6: 2,407,927 km (0.041 R)
• M7: 2,738,688 km (0.101 R)
• M8: 3,385,549 km (0.106 R)
• M9: 3,854,240 km (0.075 R)
• M10: 4,199,362 km (0.112 R)
• M11: 4,637,983 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.9

Radius: 9.9

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.21 AU - 1.31 AU

Year: 994 Days

Day: 13.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,478,390 km

• M1: 131,646 km (0.079 R)
• M2: 479,611 km (0.099 R)
• M3: 796,309 km (0.09 R)
• M4: 1,498,223 km (0.115 R)
• M5: 2,511,150 km (0.095 R)
• M6: 2,948,574 km (0.093 R)
• M7: 3,450,924 km (0.09 R)
• M8: 4,158,522 km (0.046 R)
• M9: 5,190,149 km (0.1 R)
• M10: 5,967,459 km (0.113 R)
• M11: 6,451,707 km (0.059 R)
• M12: 7,449,376 km (0.081 R)
• M13: 9,248,888 km (0.054 R)
• M14: 10,514,935 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.9

Radius: 13.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.26 AU - 1.36 AU

Year: 1054 Days

Day: 9.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,478,390 km

• M1: 172,486 km (0.082 R)
• M2: 644,468 km (0.063 R)
• M3: 1,436,738 km (0.089 R)
• M4: 1,919,789 km (0.082 R)
• M5: 2,683,786 km (0.086 R)
• M6: 3,159,507 km (0.049 R)
• M7: 5,166,362 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.2

Radius: 14.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.66 AU - 1.98 AU

Year: 1726 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,478,390 km

• M1: 180,415 km (0.116 R)
• M2: 727,644 km (0.09 R)
• M3: 1,333,366 km (0.119 R)
• M4: 1,842,298 km (0.032 R)
• M5: 2,370,378 km (0.101 R)
• M6: 4,898,881 km (0.066 R)
• M7: 5,429,804 km (0.079 R)
• M8: 6,384,239 km (0.077 R)
• M9: 7,045,761 km (0.109 R)
• M10: 7,808,859 km (0.097 R)
• M11: 8,269,321 km (0.087 R)
• M12: 9,308,578 km (0.11 R)
• M13: 10,228,455 km (0.04 R)
• M14: 12,211,225 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 9.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.9 AU - 6.1 AU

Year: 7859 Days

Day: 8.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,478,390 km

• M1: 151,991 km (0.063 R)
• M2: 687,402 km (0.067 R)
• M3: 1,119,890 km (0.119 R)
• M4: 1,595,162 km (0.096 R)
• M5: 2,238,583 km (0.115 R)
• M6: 3,940,408 km (0.031 R)
• M7: 4,489,881 km (0.105 R)
• M8: 5,225,005 km (0.105 R)
• M9: 6,905,587 km (0.101 R)
• M10: 8,312,555 km (0.063 R)
• M11: 9,083,732 km (0.035 R)
• M12: 15,113,723 km (0.105 R)
• M13: 16,163,152 km (0.074 R)
• M14: 16,457,561 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.3

Radius: 5.7

Gravity: 18.85 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.34 AU - 6.48 AU

Year: 10099 Days

Day: 16.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,478,390 km

• M1: 70,909 km (0.112 R)
• M2: 328,218 km (0.111 R)
• M3: 606,619 km (0.069 R)
• M4: 974,181 km (0.059 R)
• M5: 1,274,424 km (0.094 R)
• M6: 1,466,807 km (0.11 R)
• M7: 1,678,787 km (0.086 R)
• M8: 2,147,178 km (0.116 R)
• M9: 2,537,778 km (0.11 R)
• M10: 3,063,316 km (0.101 R)
• M11: 3,340,072 km (0.107 R)
• M12: 4,328,016 km (0.108 R)
• M13: 6,047,644 km (0.093 R)
• M14: 6,263,214 km (0.099 R)
• M15: 7,541,977 km (0.098 R)
• M16: 8,047,318 km (0.054 R)
• M17: 10,449,860 km (0.051 R)
• M18: 10,971,358 km (0.073 R)
• M19: 11,619,715 km (0.101 R)
• M20: 13,534,568 km (0.078 R)
• M21: 15,582,862 km (0.066 R)
• M22: 15,852,587 km (0.086 R)
• M23: 16,263,084 km (0.064 R)
• M24: 16,680,611 km (0.038 R)
• M25: 18,497,627 km (0.091 R)
• M26: 20,765,980 km (0.11 R)
• M27: 24,370,092 km (0.089 R)
• M28: 25,658,428 km (0.056 R)
• M29: 26,034,817 km (0.036 R)
• M30: 26,510,239 km (0.063 R)
• M31: 26,894,855 km (0.117 R)
• M32: 27,576,871 km (0.064 R)
• M33: 33,118,725 km (0.054 R)
• M34: 34,812,173 km (0.07 R)
• M35: 38,862,834 km (0.097 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: 326 - 12,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit