🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.7

Radius: 13.6

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.97 AU - 1.43 AU

Year: 849 Days

Day: 8.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,618,443 km

• M1: 169,195 km (0.109 R)
• M2: 654,491 km (0.103 R)
• M3: 1,115,551 km (0.103 R)
• M4: 1,696,440 km (0.119 R)
• M5: 2,375,465 km (0.095 R)
• M6: 2,798,527 km (0.084 R)
• M7: 3,427,586 km (0.112 R)
• M8: 4,435,427 km (0.036 R)
• M9: 5,198,376 km (0.074 R)
• M10: 5,632,061 km (0.035 R)
• M11: 6,685,978 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.4

Radius: 8.8

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.08 AU - 1.36 AU

Year: 870 Days

Day: 13.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,618,443 km

• M1: 109,506 km (0.05 R)
• M2: 487,091 km (0.09 R)
• M3: 799,152 km (0.1 R)
• M4: 1,188,256 km (0.032 R)
• M5: 1,635,254 km (0.064 R)
• M6: 2,201,333 km (0.103 R)
• M7: 2,713,107 km (0.107 R)
• M8: 3,003,925 km (0.1 R)
• M9: 3,883,561 km (0.11 R)
• M10: 4,175,277 km (0.053 R)
• M11: 5,704,017 km (0.081 R)
• M12: 6,371,523 km (0.079 R)
• M13: 6,977,843 km (0.081 R)
• M14: 8,056,743 km (0.112 R)
• M15: 8,765,837 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 8.8

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.19 AU - 1.57 AU

Year: 1047 Days

Day: 6.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,618,443 km

• M1: 109,506 km (0.083 R)
• M2: 497,712 km (0.081 R)
• M3: 861,235 km (0.115 R)
• M4: 1,183,170 km (0.068 R)
• M5: 1,779,167 km (0.108 R)
• M6: 2,236,039 km (0.108 R)
• M7: 2,598,515 km (0.031 R)
• M8: 3,327,954 km (0.1 R)
• M9: 3,725,585 km (0.095 R)
• M10: 4,304,978 km (0.118 R)
• M11: 5,642,682 km (0.087 R)
• M12: 6,495,839 km (0.03 R)
• M13: 7,214,208 km (0.097 R)
• M14: 7,882,162 km (0.109 R)
• M15: 8,244,488 km (0.098 R)
• M16: 9,659,086 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.3

Radius: 11.4

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.89 AU - 2.09 AU

Year: 1813 Days

Day: 9.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,618,443 km

• M1: 141,819 km (0.113 R)
• M2: 556,205 km (0.107 R)
• M3: 942,467 km (0.1 R)
• M4: 1,385,725 km (0.113 R)
• M5: 1,744,760 km (0.062 R)
• M6: 2,998,241 km (0.115 R)
• M7: 3,897,773 km (0.113 R)
• M8: 4,796,557 km (0.074 R)
• M9: 5,284,994 km (0.072 R)
• M10: 5,849,875 km (0.057 R)
• M11: 6,248,404 km (0.11 R)
• M12: 7,075,830 km (0.051 R)
• M13: 7,477,650 km (0.103 R)
• M14: 8,109,252 km (0.11 R)
• M15: 8,493,718 km (0.072 R)
• M16: 10,473,945 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.6

Radius: 13.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.76 AU - 4.46 AU

Year: 4429 Days

Day: 6.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,618,443 km

• M1: 165,904 km (0.063 R)
• M2: 720,164 km (0.063 R)
• M3: 1,287,290 km (0.034 R)
• M4: 2,161,091 km (0.09 R)
• M5: 2,738,090 km (0.071 R)
• M6: 4,146,554 km (0.102 R)
• M7: 5,271,530 km (0.054 R)
• M8: 5,696,837 km (0.083 R)
• M9: 6,945,231 km (0.075 R)
• M10: 7,783,577 km (0.088 R)
• M11: 8,368,654 km (0.088 R)
• M12: 8,916,931 km (0.036 R)
• M13: 9,557,958 km (0.108 R)
• M14: 10,521,517 km (0.108 R)
• M15: 11,276,388 km (0.1 R)
• M16: 12,393,436 km (0.116 R)
• M17: 13,235,672 km (0.042 R)
• M18: 14,478,381 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.8

Radius: 11.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.18 AU - 4.2 AU

Year: 5538 Days

Day: 12.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 107.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,618,443 km

• M1: 143,016 km (0.104 R)
• M2: 560,842 km (0.083 R)
• M3: 1,037,910 km (0.081 R)
• M4: 1,831,976 km (0.115 R)
• M5: 2,340,010 km (0.072 R)
• M6: 2,735,098 km (0.109 R)
• M7: 3,422,051 km (0.117 R)
• M8: 4,288,672 km (0.057 R)
• M9: 5,701,324 km (0.058 R)
• M10: 7,336,728 km (0.108 R)
• M11: 8,735,468 km (0.072 R)
• M12: 10,263,162 km (0.092 R)
• M13: 11,199,944 km (0.109 R)
• M14: 15,198,096 km (0.096 R)
• M15: 18,727,559 km (0.119 R)
• M16: 21,048,720 km (0.118 R)
• M17: 22,558,162 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.2

Radius: 5.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.48 AU - 11.04 AU

Year: 21220 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,618,443 km

• M1: 72,405 km (0.119 R)
• M2: 520,301 km (0.039 R)
• M3: 720,613 km (0.03 R)
• M4: 1,545,496 km (0.076 R)
• M5: 3,213,961 km (0.07 R)
• M6: 7,027,958 km (0.092 R)
• M7: 7,281,527 km (0.064 R)
• M8: 8,934,134 km (0.113 R)
• M9: 12,173,078 km (0.052 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 13,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit