🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.3

Radius: 13.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.45 AU - 0.69 AU

Year: 302 Days

Day: 9.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,553,183 km

• M1: 169,195 km (0.046 R)
• M2: 602,131 km (0.106 R)
• M3: 1,105,977 km (0.112 R)
• M4: 2,374,268 km (0.116 R)
• M5: 2,902,797 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 9.3

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.69 AU - 0.73 AU

Year: 421 Days

Day: 7.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,553,183 km

• M1: 117,135 km (0.091 R)
• M2: 561,890 km (0.107 R)
• M3: 934,089 km (0.081 R)
• M4: 1,253,630 km (0.054 R)
• M5: 1,654,403 km (0.047 R)
• M6: 2,035,578 km (0.081 R)
• M7: 2,407,030 km (0.098 R)
• M8: 3,089,495 km (0.064 R)
• M9: 3,842,122 km (0.117 R)
• M10: 4,283,436 km (0.054 R)
• M11: 4,835,452 km (0.094 R)
• M12: 5,317,307 km (0.118 R)
• M13: 5,919,438 km (0.03 R)
• M14: 6,339,509 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 12.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.74 AU - 1.22 AU

Year: 682 Days

Day: 9.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 36,553,183 km

• M1: 154,834 km (0.12 R)
• M2: 704,756 km (0.055 R)
• M3: 1,581,549 km (0.097 R)
• M4: 2,230,355 km (0.101 R)
• M5: 4,411,342 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802

Radius: 10.2

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.49 AU - 2.91 AU

Year: 3119 Days

Day: 11.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,553,183 km

• M1: 129,103 km (0.076 R)
• M2: 775,964 km (0.064 R)
• M3: 1,316,312 km (0.059 R)
• M4: 2,332,081 km (0.099 R)
• M5: 3,264,525 km (0.104 R)
• M6: 3,605,907 km (0.118 R)
• M7: 5,117,743 km (0.109 R)
• M8: 6,649,625 km (0.067 R)
• M9: 7,883,509 km (0.047 R)
• M10: 9,041,695 km (0.07 R)
• M11: 10,229,652 km (0.064 R)
• M12: 13,969,000 km (0.026 R)
• M13: 20,441,801 km (0.111 R)
• M14: 22,007,193 km (0.083 R)
• M15: 22,887,726 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 8.5

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.17 AU - 4.95 AU

Year: 5750 Days

Day: 10.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,553,183 km

• M1: 106,962 km (0.032 R)
• M2: 626,366 km (0.084 R)
• M3: 1,387,969 km (0.062 R)
• M4: 1,821,952 km (0.11 R)
• M5: 2,393,416 km (0.113 R)
• M6: 2,830,990 km (0.089 R)
• M7: 3,158,609 km (0.056 R)
• M8: 3,776,000 km (0.087 R)
• M9: 4,446,049 km (0.112 R)
• M10: 4,863,277 km (0.119 R)
• M11: 5,221,414 km (0.112 R)
• M12: 8,592,902 km (0.097 R)
• M13: 9,705,760 km (0.053 R)
• M14: 10,681,288 km (0.117 R)
• M15: 11,526,965 km (0.079 R)
• M16: 13,511,530 km (0.103 R)
• M17: 19,007,157 km (0.041 R)
• M18: 20,743,390 km (0.107 R)
• M19: 25,748,038 km (0.05 R)
• M20: 26,330,721 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.6

Radius: 3.5

Gravity: 19.23 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.38 AU - 9.24 AU

Year: 16839 Days

Day: 17.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 36,553,183 km

• M1: 44,431 km (0.038 R)
• M2: 315,951 km (0.112 R)
• M3: 435,031 km (0.116 R)
• M4: 812,616 km (0.104 R)
• M5: 978,220 km (0.08 R)
• M6: 1,262,756 km (0.087 R)
• M7: 1,377,796 km (0.114 R)
• M8: 2,508,008 km (0.082 R)
• M9: 2,796,134 km (0.083 R)
• M10: 3,105,801 km (0.088 R)
• M11: 4,144,310 km (0.083 R)
• M12: 5,197,628 km (0.099 R)
• M13: 6,087,287 km (0.091 R)
• M14: 7,073,735 km (0.093 R)
• M15: 7,731,218 km (0.07 R)
• M16: 7,987,928 km (0.042 R)
• M17: 9,599,995 km (0.053 R)
• M18: 10,199,134 km (0.107 R)
• M19: 12,376,381 km (0.057 R)
• M20: 13,145,763 km (0.072 R)
• M21: 13,388,860 km (0.059 R)
• M22: 14,135,802 km (0.098 R)
• M23: 16,262,934 km (0.111 R)
• M24: 17,402,421 km (0.064 R)
• M25: 17,621,881 km (0.108 R)
• M26: 19,759,635 km (0.082 R)
• M27: 22,928,566 km (0.073 R)
• M28: 24,725,087 km (0.101 R)
• M29: 25,002,292 km (0.088 R)
• M30: 26,807,041 km (0.035 R)
• M31: 27,394,512 km (0.075 R)
• M32: 29,414,831 km (0.107 R)
• M33: 30,673,398 km (0.093 R)
• M34: 33,185,146 km (0.082 R)
• M35: 39,614,115 km (0.116 R)
• M36: 40,889,137 km (0.103 R)
• M37: 45,428,535 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.4

Radius: 4

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.58 AU - 9.56 AU

Year: 19201 Days

Day: 16.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,553,183 km

• M1: 63,878 km (0.116 R)
• M2: 188,344 km (0.099 R)
• M3: 1,116,299 km (0.058 R)
• M4: 1,373,458 km (0.114 R)
• M5: 1,810,284 km (0.107 R)
• M6: 2,036,925 km (0.085 R)
• M7: 2,851,934 km (0.106 R)
• M8: 3,033,845 km (0.046 R)
• M9: 6,953,309 km (0.101 R)
• M10: 7,700,251 km (0.037 R)
• M11: 8,458,114 km (0.091 R)
• M12: 10,167,270 km (0.119 R)
• M13: 10,688,169 km (0.12 R)
• M14: 11,028,654 km (0.113 R)
• M15: 11,226,423 km (0.078 R)
• M16: 14,133,857 km (0.088 R)
• M17: 15,947,731 km (0.101 R)
• M18: 16,649,944 km (0.098 R)
• M19: 20,102,962 km (0.082 R)
• M20: 21,762,900 km (0.1 R)
• M21: 24,170,378 km (0.09 R)
• M22: 24,841,175 km (0.03 R)
• M23: 25,095,791 km (0.112 R)
• M24: 31,943,633 km (0.074 R)
• M25: 32,345,603 km (0.115 R)
• M26: 34,723,012 km (0.081 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: 209 - 10,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit