🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.6

Radius: 11.7

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.45 AU - 0.59 AU

Year: 264 Days

Day: 5.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,128,876 km

• M1: 145,559 km (0.093 R)
• M2: 520,601 km (0.091 R)
• M3: 920,177 km (0.094 R)
• M4: 1,301,053 km (0.084 R)
• M5: 1,749,846 km (0.086 R)
• M6: 2,502,024 km (0.047 R)
• M7: 3,165,940 km (0.038 R)
• M8: 3,850,649 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 12

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.52 AU - 0.72 AU

Year: 343 Days

Day: 6.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,128,876 km

• M1: 149,897 km (0.047 R)
• M2: 542,591 km (0.087 R)
• M3: 1,015,620 km (0.092 R)
• M4: 1,633,310 km (0.094 R)
• M5: 2,176,051 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.4

Radius: 12

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.69 AU - 0.71 AU

Year: 412 Days

Day: 13.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,128,876 km

• M1: 149,448 km (0.07 R)
• M2: 531,372 km (0.03 R)
• M3: 1,055,114 km (0.094 R)
• M4: 1,452,296 km (0.093 R)
• M5: 2,179,940 km (0.067 R)
• M6: 2,714,753 km (0.085 R)
• M7: 3,407,989 km (0.111 R)
• M8: 4,216,117 km (0.107 R)
• M9: 4,665,958 km (0.087 R)
• M10: 5,099,791 km (0.119 R)
• M11: 5,731,693 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 8.1

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.67 AU - 0.87 AU

Year: 475 Days

Day: 6.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,128,876 km

• M1: 116,537 km (0.114 R)
• M2: 371,003 km (0.104 R)
• M3: 629,209 km (0.113 R)
• M4: 888,462 km (0.115 R)
• M5: 1,158,636 km (0.118 R)
• M6: 1,570,778 km (0.077 R)
• M7: 1,857,706 km (0.068 R)
• M8: 2,224,670 km (0.112 R)
• M9: 2,580,563 km (0.088 R)
• M10: 2,838,620 km (0.09 R)
• M11: 3,317,482 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 13.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.76 AU - 1.22 AU

Year: 692 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,128,876 km

• M1: 170,392 km (0.093 R)
• M2: 634,594 km (0.106 R)
• M3: 1,230,742 km (0.062 R)
• M4: 1,976,637 km (0.119 R)
• M5: 2,545,258 km (0.114 R)
• M6: 3,373,731 km (0.073 R)
• M7: 3,910,788 km (0.076 R)
• M8: 4,347,165 km (0.098 R)
• M9: 5,319,251 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.2

Radius: 13.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.03 AU - 2.69 AU

Year: 2548 Days

Day: 5.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,128,876 km

• M1: 167,849 km (0.103 R)
• M2: 751,580 km (0.062 R)
• M3: 1,518,867 km (0.102 R)
• M4: 1,981,274 km (0.109 R)
• M5: 3,359,819 km (0.119 R)
• M6: 5,789,288 km (0.115 R)
• M7: 7,212,712 km (0.116 R)
• M8: 7,778,640 km (0.113 R)
• M9: 8,239,252 km (0.061 R)
• M10: 9,731,491 km (0.118 R)
• M11: 11,439,151 km (0.065 R)
• M12: 12,122,963 km (0.099 R)
• M13: 13,061,839 km (0.091 R)
• M14: 13,525,592 km (0.106 R)
• M15: 16,597,585 km (0.082 R)
• M16: 17,307,875 km (0.103 R)
• M17: 19,202,383 km (0.118 R)
• M18: 19,621,406 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 13.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.46 AU - 3.78 AU

Year: 3874 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,128,876 km

• M1: 170,990 km (0.036 R)
• M2: 645,066 km (0.106 R)
• M3: 1,650,513 km (0.115 R)
• M4: 2,265,809 km (0.108 R)
• M5: 2,833,832 km (0.095 R)
• M6: 3,316,286 km (0.097 R)
• M7: 3,853,791 km (0.111 R)
• M8: 4,329,961 km (0.083 R)
• M9: 5,052,668 km (0.106 R)
• M10: 6,150,268 km (0.063 R)
• M11: 7,031,998 km (0.09 R)
• M12: 7,996,605 km (0.11 R)
• M13: 9,165,263 km (0.099 R)
• M14: 9,770,237 km (0.111 R)
• M15: 10,273,335 km (0.034 R)
• M16: 10,793,786 km (0.086 R)
• M17: 12,219,902 km (0.099 R)
• M18: 12,656,728 km (0.101 R)
• M19: 14,455,343 km (0.106 R)
• M20: 17,679,327 km (0.059 R)
• M21: 24,426,041 km (0.095 R)
• M22: 26,630,067 km (0.061 R)
• M23: 28,031,200 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 11.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.79 AU - 3.61 AU

Year: 4024 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,128,876 km

• M1: 139,425 km (0.082 R)
• M2: 509,979 km (0.08 R)
• M3: 863,329 km (0.088 R)
• M4: 1,420,881 km (0.085 R)
• M5: 1,777,821 km (0.094 R)
• M6: 2,280,919 km (0.101 R)
• M7: 2,946,330 km (0.047 R)
• M8: 3,966,139 km (0.095 R)
• M9: 4,361,825 km (0.096 R)
• M10: 4,711,585 km (0.057 R)
• M11: 5,574,615 km (0.112 R)
• M12: 6,570,189 km (0.105 R)
• M13: 7,781,034 km (0.07 R)
• M14: 8,227,733 km (0.054 R)
• M15: 9,907,867 km (0.059 R)
• M16: 10,392,265 km (0.05 R)
• M17: 11,583,962 km (0.039 R)
• M18: 12,213,021 km (0.1 R)
• M19: 13,588,423 km (0.098 R)
• M20: 15,597,523 km (0.114 R)
• M21: 17,738,568 km (0.03 R)
• M22: 18,879,401 km (0.096 R)
• M23: 22,115,053 km (0.078 R)
• M24: 22,734,388 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.2

Radius: 4

Gravity: 38.58 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.1 AU - 9.18 AU

Year: 17852 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,128,876 km

• M1: 49,816 km (0.089 R)
• M2: 344,524 km (0.108 R)
• M3: 1,205,310 km (0.11 R)
• M4: 1,779,766 km (0.11 R)
• M5: 3,226,078 km (0.119 R)
• M6: 5,615,006 km (0.09 R)
• M7: 6,008,598 km (0.08 R)
• M8: 6,806,853 km (0.105 R)
• M9: 8,508,678 km (0.066 R)
• M10: 9,402,974 km (0.095 R)
• M11: 12,069,706 km (0.046 R)
• M12: 13,264,245 km (0.089 R)
• M13: 13,401,576 km (0.066 R)
• M14: 13,749,241 km (0.095 R)
• M15: 14,031,831 km (0.109 R)
• M16: 14,390,268 km (0.105 R)
• M17: 22,609,325 km (0.08 R)
• M18: 25,672,491 km (0.087 R)
• M19: 26,642,633 km (0.1 R)
• M20: 28,200,096 km (0.096 R)
• M21: 30,528,587 km (0.047 R)
• M22: 33,871,052 km (0.116 R)
• M23: 48,856,869 km (0.107 R)
• M24: 49,514,202 km (0.081 R)
• M25: 52,373,616 km (0.058 R)
• M26: 54,106,109 km (0.099 R)
• M27: 58,973,874 km (0.116 R)
• M28: 61,609,041 km (0.097 R)
• M29: 65,110,977 km (0.109 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 15,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit