🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.54 AU - 0.54 AU

Year: 139 Days

Day: 20.4 Hours

Environment

Temp: 203 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,444,815 km

• M1: 288,724 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.88 AU - 0.92 AU

Year: 300 Days

Day: 45 Hours

Environment

Temp: 160 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.72 AU - 2.3 AU

Year: 1002 Days

Day: 22.7 Hours

Environment

Temp: -56 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.37 AU - 3.09 AU

Year: 1585 Days

Day: 26.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.4

Radius: 14.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.74 AU - 9.24 AU

Year: 7204 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,444,815 km

• M1: 179,069 km (0.054 R)
• M2: 708,346 km (0.116 R)
• M3: 1,192,594 km (0.107 R)
• M4: 1,856,659 km (0.102 R)
• M5: 2,440,839 km (0.119 R)
• M6: 2,897,412 km (0.104 R)
• M7: 3,691,327 km (0.102 R)
• M8: 5,441,174 km (0.08 R)
• M9: 8,109,252 km (0.066 R)
• M10: 12,572,504 km (0.106 R)
• M11: 15,162,492 km (0.054 R)
• M12: 18,519,468 km (0.092 R)
• M13: 21,376,339 km (0.057 R)
• M14: 23,776,637 km (0.114 R)
• M15: 26,039,305 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 10.7

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.71 AU - 11.45 AU

Year: 12962 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,444,815 km

• M1: 133,142 km (0.09 R)
• M2: 555,307 km (0.074 R)
• M3: 1,010,534 km (0.045 R)
• M4: 1,696,141 km (0.077 R)
• M5: 2,238,433 km (0.118 R)
• M6: 2,757,538 km (0.118 R)
• M7: 3,511,361 km (0.06 R)
• M8: 4,648,903 km (0.055 R)
• M9: 5,461,968 km (0.115 R)
• M10: 6,248,853 km (0.08 R)
• M11: 8,282,636 km (0.096 R)
• M12: 9,015,665 km (0.117 R)
• M13: 10,723,624 km (0.099 R)
• M14: 11,299,127 km (0.118 R)
• M15: 11,955,712 km (0.092 R)
• M16: 13,542,796 km (0.094 R)
• M17: 14,079,254 km (0.082 R)
• M18: 15,482,183 km (0.045 R)
• M19: 19,904,146 km (0.076 R)
• M20: 23,248,107 km (0.108 R)
• M21: 24,605,559 km (0.117 R)
• M22: 26,220,767 km (0.096 R)
• M23: 38,481,210 km (0.112 R)
• M24: 40,103,150 km (0.091 R)
• M25: 44,356,965 km (0.099 R)
• M26: 47,661,134 km (0.057 R)
• M27: 48,746,017 km (0.098 R)
• M28: 54,250,471 km (0.068 R)
• M29: 55,433,042 km (0.097 R)
• M30: 56,116,555 km (0.106 R)
• M31: 59,083,829 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.3

Radius: 7.6

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 14.96 AU - 17.08 AU

Year: 22536 Days

Day: 24.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,444,815 km

• M1: 207,642 km (0.096 R)
• M2: 499,806 km (0.082 R)
• M3: 941,419 km (0.078 R)
• M4: 1,674,748 km (0.08 R)
• M5: 2,081,954 km (0.092 R)
• M6: 2,600,011 km (0.071 R)
• M7: 2,889,782 km (0.081 R)
• M8: 4,206,543 km (0.06 R)
• M9: 5,033,669 km (0.114 R)
• M10: 6,130,521 km (0.083 R)
• M11: 7,237,545 km (0.102 R)
• M12: 8,841,683 km (0.116 R)
• M13: 9,388,314 km (0.103 R)
• M14: 11,416,113 km (0.069 R)
• M15: 14,082,246 km (0.086 R)
• M16: 14,377,253 km (0.046 R)
• M17: 15,914,521 km (0.081 R)
• M18: 16,396,226 km (0.081 R)
• M19: 16,722,798 km (0.119 R)
• M20: 24,732,268 km (0.041 R)
• M21: 27,271,542 km (0.116 R)
• M22: 31,586,693 km (0.05 R)
• M23: 35,649,771 km (0.063 R)
• M24: 38,304,834 km (0.083 R)
• M25: 43,535,673 km (0.088 R)
• M26: 45,273,103 km (0.11 R)
• M27: 53,218,994 km (0.061 R)
• M28: 53,576,383 km (0.103 R)
• M29: 53,935,418 km (0.105 R)
• M30: 57,613,431 km (0.078 R)
• M31: 63,238,610 km (0.047 R)
• M32: 64,649,169 km (0.054 R)
• M33: 65,260,126 km (0.043 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 17,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit