🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.51 AU - 0.53 AU

Year: 246 Days

Day: 29 Hours

Environment

Temp: -109 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 31,299,033 km

• M1: 72,854 km (0.098 R)

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 10.2

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.84 AU - 1.24 AU

Year: 696 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,299,033 km

• M1: 126,859 km (0.118 R)
• M2: 614,398 km (0.092 R)
• M3: 966,253 km (0.047 R)
• M4: 1,716,037 km (0.113 R)
• M5: 2,169,169 km (0.091 R)
• M6: 2,942,740 km (0.099 R)

Asteroid Belt

Center: 1.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 8.5

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.99 AU - 2.43 AU

Year: 2155 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,299,033 km

• M1: 105,766 km (0.068 R)
• M2: 416,032 km (0.08 R)
• M3: 728,990 km (0.1 R)
• M4: 1,019,958 km (0.1 R)
• M5: 1,352,664 km (0.074 R)
• M6: 1,691,952 km (0.085 R)
• M7: 2,348,986 km (0.101 R)
• M8: 2,782,072 km (0.12 R)
• M9: 3,116,273 km (0.114 R)
• M10: 3,827,462 km (0.097 R)
• M11: 4,752,425 km (0.089 R)
• M12: 5,138,238 km (0.053 R)
• M13: 5,594,063 km (0.086 R)
• M14: 6,395,459 km (0.082 R)
• M15: 6,866,243 km (0.119 R)
• M16: 7,753,358 km (0.06 R)
• M17: 9,328,923 km (0.113 R)
• M18: 9,610,915 km (0.035 R)
• M19: 11,464,134 km (0.04 R)
• M20: 14,089,277 km (0.086 R)
• M21: 15,418,604 km (0.117 R)
• M22: 15,813,393 km (0.073 R)
• M23: 16,367,204 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.4

Radius: 8.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.99 AU - 2.65 AU

Year: 2318 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,299,033 km

• M1: 110,702 km (0.105 R)
• M2: 404,961 km (0.085 R)
• M3: 1,375,403 km (0.068 R)
• M4: 1,940,284 km (0.076 R)
• M5: 2,255,337 km (0.064 R)
• M6: 2,976,848 km (0.068 R)
• M7: 5,055,959 km (0.08 R)
• M8: 6,438,393 km (0.111 R)
• M9: 8,238,056 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996

Radius: 14.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.05 AU - 4.09 AU

Year: 4425 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,299,033 km

• M1: 184,305 km (0.11 R)
• M2: 685,757 km (0.118 R)
• M3: 1,290,282 km (0.064 R)
• M4: 2,266,557 km (0.103 R)
• M5: 2,854,477 km (0.082 R)
• M6: 3,738,451 km (0.109 R)
• M7: 4,367,061 km (0.076 R)
• M8: 5,660,035 km (0.081 R)
• M9: 6,364,043 km (0.045 R)
• M10: 7,229,915 km (0.115 R)
• M11: 8,060,184 km (0.116 R)
• M12: 9,782,504 km (0.109 R)
• M13: 10,707,916 km (0.088 R)
• M14: 12,229,626 km (0.075 R)
• M15: 12,784,634 km (0.071 R)
• M16: 14,551,684 km (0.097 R)
• M17: 17,092,155 km (0.094 R)
• M18: 18,369,272 km (0.106 R)
• M19: 19,233,050 km (0.072 R)
• M20: 20,403,205 km (0.118 R)
• M21: 20,898,673 km (0.045 R)
• M22: 21,547,479 km (0.114 R)
• M23: 22,885,333 km (0.105 R)
• M24: 27,231,899 km (0.102 R)
• M25: 28,442,894 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 8.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.39 AU - 5.57 AU

Year: 6221 Days

Day: 12.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,299,033 km

• M1: 153,936 km (0.08 R)
• M2: 431,889 km (0.12 R)
• M3: 1,144,573 km (0.11 R)
• M4: 1,575,116 km (0.115 R)
• M5: 1,841,400 km (0.066 R)
• M6: 3,760,142 km (0.046 R)
• M7: 4,241,698 km (0.096 R)
• M8: 6,949,419 km (0.035 R)
• M9: 7,740,792 km (0.108 R)
• M10: 8,520,646 km (0.097 R)
• M11: 11,774,250 km (0.098 R)
• M12: 12,349,454 km (0.03 R)
• M13: 12,758,454 km (0.102 R)
• M14: 16,582,176 km (0.079 R)
• M15: 17,588,521 km (0.1 R)
• M16: 17,875,001 km (0.105 R)
• M17: 18,164,772 km (0.036 R)
• M18: 18,457,684 km (0.057 R)
• M19: 19,538,080 km (0.089 R)
• M20: 19,907,437 km (0.097 R)
• M21: 21,890,357 km (0.031 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 8.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.81 AU - 5.17 AU

Year: 6241 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,299,033 km

• M1: 105,766 km (0.07 R)
• M2: 402,717 km (0.04 R)
• M3: 783,294 km (0.098 R)
• M4: 1,583,194 km (0.093 R)
• M5: 2,227,064 km (0.102 R)
• M6: 3,165,192 km (0.116 R)
• M7: 3,760,292 km (0.108 R)
• M8: 5,406,617 km (0.106 R)
• M9: 6,023,409 km (0.11 R)
• M10: 6,522,916 km (0.051 R)
• M11: 11,484,778 km (0.109 R)
• M12: 12,840,584 km (0.109 R)
• M13: 13,712,590 km (0.109 R)
• M14: 17,388,209 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.6

Radius: 8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.81 AU - 7.75 AU

Year: 11581 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,299,033 km

• M1: 107,262 km (0.082 R)
• M2: 851,661 km (0.054 R)
• M3: 1,371,962 km (0.09 R)
• M4: 2,024,358 km (0.103 R)
• M5: 3,144,996 km (0.11 R)
• M6: 3,703,146 km (0.113 R)
• M7: 4,058,291 km (0.074 R)
• M8: 6,397,703 km (0.088 R)
• M9: 6,910,075 km (0.093 R)
• M10: 8,142,014 km (0.118 R)
• M11: 8,743,846 km (0.11 R)
• M12: 21,355,994 km (0.043 R)
• M13: 24,906,101 km (0.097 R)
• M14: 30,734,583 km (0.076 R)
• M15: 33,041,682 km (0.118 R)
• M16: 34,237,567 km (0.112 R)
• M17: 40,038,524 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.7

Radius: 3.3

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.95 AU - 9.59 AU

Year: 17038 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,299,033 km

• M1: 41,439 km (0.055 R)
• M2: 155,133 km (0.088 R)
• M3: 258,804 km (0.104 R)
• M4: 749,485 km (0.101 R)
• M5: 1,280,408 km (0.056 R)
• M6: 1,415,944 km (0.075 R)
• M7: 3,327,954 km (0.099 R)
• M8: 7,311,895 km (0.116 R)
• M9: 8,389,748 km (0.101 R)
• M10: 13,546,985 km (0.109 R)
• M11: 16,286,421 km (0.112 R)
• M12: 29,913,441 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 17,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit