🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.2

Radius: 12.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.47 AU - 0.69 AU

Year: 295 Days

Day: 11.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,483,303 km

• M1: 156,779 km (0.117 R)
• M2: 572,062 km (0.112 R)
• M3: 1,032,225 km (0.078 R)
• M4: 1,544,000 km (0.091 R)
• M5: 1,940,135 km (0.076 R)
• M6: 2,389,078 km (0.119 R)
• M7: 2,889,333 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 13.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.56 AU - 0.68 AU

Year: 326 Days

Day: 6.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,483,303 km

• M1: 172,935 km (0.106 R)
• M2: 661,073 km (0.108 R)
• M3: 1,374,356 km (0.097 R)
• M4: 1,972,897 km (0.116 R)
• M5: 2,427,225 km (0.097 R)
• M6: 3,097,723 km (0.11 R)
• M7: 3,754,757 km (0.115 R)
• M8: 4,354,046 km (0.058 R)
• M9: 4,913,991 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.1

Radius: 14.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.66 AU - 0.78 AU

Year: 407 Days

Day: 7.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,483,303 km

• M1: 179,667 km (0.102 R)
• M2: 686,205 km (0.115 R)
• M3: 1,139,936 km (0.06 R)
• M4: 1,774,231 km (0.119 R)
• M5: 2,235,142 km (0.114 R)
• M6: 3,029,207 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 10

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.35 AU - 1.73 AU

Year: 1274 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,483,303 km

• M1: 130,749 km (0.103 R)
• M2: 596,297 km (0.108 R)
• M3: 1,022,801 km (0.106 R)
• M4: 1,469,949 km (0.109 R)
• M5: 2,502,772 km (0.115 R)
• M6: 2,958,298 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 11.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.44 AU - 2 AU

Year: 1504 Days

Day: 6.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,483,303 km

• M1: 143,016 km (0.118 R)
• M2: 595,699 km (0.094 R)
• M3: 1,007,093 km (0.114 R)
• M4: 1,521,111 km (0.099 R)
• M5: 1,990,400 km (0.115 R)
• M6: 2,730,311 km (0.086 R)
• M7: 3,561,776 km (0.117 R)
• M8: 4,192,630 km (0.036 R)
• M9: 4,693,334 km (0.085 R)
• M10: 5,632,210 km (0.078 R)
• M11: 6,050,635 km (0.085 R)
• M12: 6,565,103 km (0.074 R)
• M13: 8,434,478 km (0.114 R)
• M14: 8,952,535 km (0.111 R)
• M15: 10,565,499 km (0.036 R)
• M16: 11,024,316 km (0.115 R)
• M17: 11,459,496 km (0.063 R)
• M18: 11,981,742 km (0.082 R)
• M19: 12,874,094 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.5

Radius: 13.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.15 AU - 3.07 AU

Year: 2812 Days

Day: 9.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,483,303 km

• M1: 170,392 km (0.119 R)
• M2: 711,039 km (0.064 R)
• M3: 1,182,122 km (0.053 R)
• M4: 1,830,928 km (0.074 R)
• M5: 2,446,972 km (0.071 R)
• M6: 2,941,244 km (0.092 R)
• M7: 3,730,821 km (0.088 R)
• M8: 4,531,619 km (0.067 R)
• M9: 5,525,846 km (0.109 R)
• M10: 7,160,801 km (0.11 R)
• M11: 9,716,083 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 8.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.8 AU - 3.34 AU

Year: 3587 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,483,303 km

• M1: 105,766 km (0.059 R)
• M2: 528,978 km (0.118 R)
• M3: 831,764 km (0.113 R)
• M4: 1,334,263 km (0.102 R)
• M5: 1,881,492 km (0.091 R)
• M6: 2,370,378 km (0.086 R)
• M7: 3,006,917 km (0.119 R)
• M8: 4,128,452 km (0.097 R)
• M9: 4,594,599 km (0.1 R)
• M10: 4,886,166 km (0.054 R)
• M11: 6,314,676 km (0.116 R)
• M12: 8,098,930 km (0.112 R)
• M13: 9,211,938 km (0.117 R)
• M14: 11,248,264 km (0.102 R)
• M15: 11,989,073 km (0.047 R)
• M16: 18,447,063 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.5

Radius: 6

Gravity: 26.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.27 AU - 6.45 AU

Year: 9460 Days

Day: 15.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,483,303 km

• M1: 74,649 km (0.093 R)
• M2: 273,615 km (0.068 R)
• M3: 467,643 km (0.108 R)
• M4: 683,961 km (0.087 R)
• M5: 1,277,267 km (0.077 R)
• M6: 1,666,221 km (0.045 R)
• M7: 2,553,935 km (0.059 R)
• M8: 3,965,540 km (0.071 R)
• M9: 4,821,988 km (0.064 R)
• M10: 7,303,069 km (0.09 R)
• M11: 7,902,807 km (0.119 R)
• M12: 9,396,093 km (0.058 R)
• M13: 10,209,157 km (0.068 R)
• M14: 10,740,678 km (0.063 R)
• M15: 12,868,110 km (0.105 R)
• M16: 13,113,749 km (0.115 R)
• M17: 16,526,077 km (0.106 R)
• M18: 17,935,438 km (0.118 R)
• M19: 19,342,855 km (0.087 R)
• M20: 19,827,851 km (0.108 R)
• M21: 22,023,948 km (0.104 R)
• M22: 22,730,948 km (0.116 R)
• M23: 23,271,146 km (0.1 R)
• M24: 38,432,890 km (0.067 R)
• M25: 39,327,784 km (0.069 R)
• M26: 43,321,299 km (0.092 R)
• M27: 47,430,603 km (0.099 R)
• M28: 49,054,937 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 20,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit