🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.8

Radius: 14.1

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.94 AU - 1.12 AU

Year: 686 Days

Day: 5.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,464,610 km

• M1: 175,329 km (0.038 R)
• M2: 676,182 km (0.064 R)
• M3: 1,435,990 km (0.055 R)
• M4: 2,014,186 km (0.04 R)
• M5: 2,705,777 km (0.12 R)
• M6: 3,159,657 km (0.116 R)
• M7: 3,651,983 km (0.058 R)
• M8: 4,408,200 km (0.056 R)
• M9: 4,932,391 km (0.048 R)
• M10: 5,964,018 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 10.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.98 AU - 1.24 AU

Year: 767 Days

Day: 6.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,464,610 km

• M1: 133,591 km (0.066 R)
• M2: 537,056 km (0.079 R)
• M3: 910,303 km (0.078 R)
• M4: 1,326,634 km (0.12 R)
• M5: 1,706,613 km (0.087 R)
• M6: 2,310,988 km (0.089 R)
• M7: 2,727,169 km (0.105 R)
• M8: 3,206,331 km (0.118 R)
• M9: 3,947,289 km (0.072 R)
• M10: 4,447,545 km (0.096 R)
• M11: 5,168,158 km (0.042 R)
• M12: 5,652,107 km (0.085 R)
• M13: 6,561,213 km (0.068 R)
• M14: 7,151,975 km (0.063 R)
• M15: 7,588,502 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261

Radius: 10.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.3 AU - 1.88 AU

Year: 1315 Days

Day: 12.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,464,610 km

• M1: 131,197 km (0.08 R)
• M2: 458,218 km (0.033 R)
• M3: 957,127 km (0.047 R)
• M4: 1,546,393 km (0.059 R)
• M5: 1,929,065 km (0.07 R)
• M6: 2,594,775 km (0.063 R)
• M7: 4,017,002 km (0.066 R)
• M8: 4,613,000 km (0.102 R)
• M9: 4,941,517 km (0.097 R)
• M10: 5,961,774 km (0.039 R)
• M11: 7,771,609 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.5

Radius: 11.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.54 AU - 3.42 AU

Year: 3375 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,464,610 km

• M1: 143,016 km (0.113 R)
• M2: 525,537 km (0.042 R)
• M3: 1,062,294 km (0.095 R)
• M4: 1,526,646 km (0.047 R)
• M5: 2,229,008 km (0.097 R)
• M6: 2,768,309 km (0.105 R)
• M7: 3,464,387 km (0.089 R)
• M8: 4,294,506 km (0.096 R)
• M9: 4,812,863 km (0.093 R)
• M10: 5,470,196 km (0.087 R)
• M11: 6,186,470 km (0.111 R)
• M12: 6,877,762 km (0.078 R)
• M13: 7,681,551 km (0.086 R)
• M14: 8,058,389 km (0.061 R)
• M15: 9,910,111 km (0.032 R)
• M16: 11,252,303 km (0.073 R)
• M17: 12,113,987 km (0.095 R)
• M18: 12,582,527 km (0.069 R)
• M19: 15,853,485 km (0.058 R)
• M20: 17,576,403 km (0.056 R)
• M21: 19,305,456 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 12.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.78 AU - 3.18 AU

Year: 3375 Days

Day: 5.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,464,610 km

• M1: 158,873 km (0.098 R)
• M2: 601,383 km (0.112 R)
• M3: 1,091,316 km (0.118 R)
• M4: 1,635,554 km (0.093 R)
• M5: 2,288,099 km (0.117 R)
• M6: 2,730,909 km (0.09 R)
• M7: 3,560,280 km (0.076 R)
• M8: 4,013,860 km (0.068 R)
• M9: 5,822,798 km (0.085 R)
• M10: 7,043,367 km (0.052 R)
• M11: 8,359,529 km (0.118 R)
• M12: 9,570,225 km (0.096 R)
• M13: 10,413,957 km (0.061 R)
• M14: 10,894,615 km (0.067 R)
• M15: 11,390,232 km (0.029 R)
• M16: 12,337,785 km (0.094 R)
• M17: 12,785,532 km (0.114 R)
• M18: 16,230,920 km (0.099 R)
• M19: 17,598,694 km (0.107 R)
• M20: 20,313,895 km (0.085 R)
• M21: 21,771,277 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.9

Radius: 11.6

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.83 AU - 4.09 AU

Year: 4222 Days

Day: 7.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,464,610 km

• M1: 144,212 km (0.089 R)
• M2: 526,884 km (0.109 R)
• M3: 994,826 km (0.04 R)
• M4: 1,424,920 km (0.083 R)
• M5: 1,858,006 km (0.064 R)
• M6: 2,590,586 km (0.109 R)
• M7: 3,090,393 km (0.102 R)
• M8: 3,590,498 km (0.115 R)
• M9: 4,357,038 km (0.066 R)
• M10: 4,728,639 km (0.106 R)
• M11: 5,679,034 km (0.104 R)
• M12: 7,598,674 km (0.118 R)
• M13: 8,250,771 km (0.098 R)
• M14: 8,979,163 km (0.072 R)
• M15: 9,542,848 km (0.118 R)
• M16: 12,377,429 km (0.093 R)
• M17: 16,255,305 km (0.106 R)
• M18: 16,972,028 km (0.116 R)
• M19: 17,709,845 km (0.077 R)
• M20: 18,340,849 km (0.075 R)
• M21: 20,946,245 km (0.057 R)
• M22: 21,509,780 km (0.068 R)
• M23: 22,520,164 km (0.105 R)
• M24: 22,962,675 km (0.078 R)
• M25: 25,901,974 km (0.072 R)
• M26: 26,387,868 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.1

Radius: 7.4

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.38 AU - 11.1 AU

Year: 18425 Days

Day: 17.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,464,610 km

• M1: 92,900 km (0.093 R)
• M2: 583,432 km (0.118 R)
• M3: 939,026 km (0.104 R)
• M4: 1,242,859 km (0.112 R)
• M5: 1,663,080 km (0.07 R)
• M6: 2,713,705 km (0.12 R)
• M7: 3,625,654 km (0.094 R)
• M8: 6,959,143 km (0.078 R)
• M9: 7,477,500 km (0.094 R)
• M10: 8,591,107 km (0.085 R)
• M11: 11,397,862 km (0.099 R)
• M12: 11,721,592 km (0.092 R)
• M13: 16,424,051 km (0.055 R)
• M14: 18,030,882 km (0.11 R)
• M15: 24,106,051 km (0.118 R)
• M16: 33,353,743 km (0.085 R)
• M17: 39,784,207 km (0.081 R)
• M18: 46,499,506 km (0.114 R)
• M19: 47,826,888 km (0.114 R)
• M20: 50,037,496 km (0.076 R)
• M21: 53,209,719 km (0.109 R)
• M22: 56,326,291 km (0.064 R)
• M23: 60,930,315 km (0.117 R)
• M24: 66,611,294 km (0.066 R)
• M25: 67,873,003 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 12,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit