🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.7

Radius: 13.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.52 AU - 0.58 AU

Year: 272 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,369,880 km

• M1: 162,912 km (0.026 R)
• M2: 658,530 km (0.068 R)
• M3: 1,144,125 km (0.1 R)
• M4: 1,640,191 km (0.071 R)
• M5: 2,906,836 km (0.106 R)
• M6: 3,479,946 km (0.087 R)
• M7: 3,887,450 km (0.097 R)
• M8: 4,301,836 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11

Radius: 13.5

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.65 AU - 1.05 AU

Year: 523 Days

Day: 9.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 25,369,880 km

• M1: 167,849 km (0.058 R)
• M2: 815,308 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 10.3

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.96 AU - 0.98 AU

Year: 637 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,369,880 km

• M1: 128,056 km (0.039 R)
• M2: 490,382 km (0.078 R)
• M3: 879,037 km (0.077 R)
• M4: 1,238,670 km (0.115 R)
• M5: 1,584,989 km (0.105 R)
• M6: 2,228,709 km (0.118 R)
• M7: 2,843,407 km (0.086 R)
• M8: 3,457,057 km (0.098 R)
• M9: 3,795,747 km (0.107 R)
• M10: 4,442,608 km (0.051 R)
• M11: 4,948,398 km (0.096 R)
• M12: 5,270,034 km (0.049 R)
• M13: 6,196,942 km (0.112 R)
• M14: 6,635,264 km (0.071 R)
• M15: 7,810,206 km (0.108 R)
• M16: 8,198,412 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.7

Radius: 9.2

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.23 AU - 1.51 AU

Year: 1069 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,369,880 km

• M1: 115,041 km (0.106 R)
• M2: 467,493 km (0.114 R)
• M3: 829,819 km (0.099 R)
• M4: 1,343,090 km (0.081 R)
• M5: 1,668,465 km (0.112 R)
• M6: 2,006,556 km (0.102 R)
• M7: 2,435,902 km (0.101 R)
• M8: 2,747,215 km (0.098 R)
• M9: 3,180,750 km (0.073 R)
• M10: 3,720,798 km (0.098 R)
• M11: 4,236,013 km (0.063 R)
• M12: 4,890,205 km (0.119 R)
• M13: 5,251,633 km (0.113 R)
• M14: 5,712,843 km (0.062 R)
• M15: 6,739,683 km (0.118 R)
• M16: 7,140,007 km (0.103 R)
• M17: 7,988,227 km (0.066 R)
• M18: 8,818,645 km (0.037 R)
• M19: 9,183,664 km (0.03 R)
• M20: 9,794,472 km (0.092 R)
• M21: 10,432,208 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.5

Radius: 10.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.38 AU - 2.08 AU

Year: 1517 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 156.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,369,880 km

• M1: 131,796 km (0.098 R)
• M2: 575,353 km (0.075 R)
• M3: 960,568 km (0.081 R)
• M4: 1,374,356 km (0.074 R)
• M5: 1,810,882 km (0.098 R)
• M6: 2,191,160 km (0.034 R)
• M7: 2,543,762 km (0.115 R)
• M8: 3,232,810 km (0.076 R)
• M9: 3,705,838 km (0.109 R)
• M10: 4,562,137 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 10.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.78 AU - 2.6 AU

Year: 2161 Days

Day: 8.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 168.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,369,880 km

• M1: 133,142 km (0.08 R)
• M2: 526,884 km (0.075 R)
• M3: 896,241 km (0.118 R)
• M4: 1,257,968 km (0.054 R)
• M5: 1,838,259 km (0.092 R)
• M6: 2,722,532 km (0.092 R)
• M7: 3,471,568 km (0.098 R)
• M8: 3,851,996 km (0.091 R)
• M9: 4,241,848 km (0.118 R)
• M10: 5,039,503 km (0.046 R)
• M11: 5,398,389 km (0.034 R)
• M12: 6,334,871 km (0.118 R)
• M13: 6,880,455 km (0.102 R)
• M14: 7,674,520 km (0.093 R)
• M15: 8,008,722 km (0.04 R)
• M16: 10,663,635 km (0.082 R)
• M17: 11,910,384 km (0.113 R)
• M18: 12,397,325 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 12.2

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.33 AU - 3.61 AU

Year: 3413 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,369,880 km

• M1: 151,692 km (0.118 R)
• M2: 550,520 km (0.113 R)
• M3: 978,071 km (0.11 R)
• M4: 1,729,651 km (0.113 R)
• M5: 2,156,753 km (0.076 R)
• M6: 2,753,199 km (0.049 R)
• M7: 3,285,169 km (0.055 R)
• M8: 3,697,611 km (0.088 R)
• M9: 5,598,850 km (0.074 R)
• M10: 6,103,892 km (0.107 R)
• M11: 6,950,167 km (0.099 R)
• M12: 7,873,037 km (0.11 R)
• M13: 9,447,255 km (0.093 R)
• M14: 10,621,299 km (0.103 R)
• M15: 16,024,625 km (0.112 R)
• M16: 20,897,626 km (0.118 R)
• M17: 21,501,104 km (0.081 R)
• M18: 23,238,982 km (0.116 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: 268 - 20,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit