🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.14 AU - 1.52 AU

Year: 591 Days

Day: 43.5 Hours

Environment

Temp: -38 °C

Axial Tilt: 45.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.59 AU - 4.27 AU

Year: 2446 Days

Day: 46.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 8.7

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.9 AU - 4.66 AU

Year: 3409 Days

Day: 11.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,727,692 km

• M1: 108,159 km (0.102 R)
• M2: 382,372 km (0.113 R)
• M3: 1,146,368 km (0.082 R)
• M4: 1,538,465 km (0.08 R)
• M5: 2,032,137 km (0.104 R)
• M6: 2,563,659 km (0.111 R)
• M7: 2,897,262 km (0.108 R)
• M8: 3,259,887 km (0.108 R)
• M9: 4,415,980 km (0.101 R)
• M10: 5,909,565 km (0.097 R)
• M11: 6,227,011 km (0.062 R)
• M12: 7,781,932 km (0.117 R)
• M13: 8,778,553 km (0.059 R)
• M14: 9,817,959 km (0.097 R)
• M15: 10,388,076 km (0.038 R)
• M16: 13,775,720 km (0.082 R)
• M17: 14,283,754 km (0.048 R)
• M18: 16,328,907 km (0.107 R)
• M19: 16,668,793 km (0.064 R)
• M20: 18,257,223 km (0.092 R)
• M21: 21,057,845 km (0.084 R)
• M22: 23,266,209 km (0.047 R)
• M23: 24,059,676 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.3

Radius: 12.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.09 AU - 5.35 AU

Year: 3948 Days

Day: 14.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 131.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,727,692 km

• M1: 155,432 km (0.081 R)
• M2: 600,037 km (0.091 R)
• M3: 1,030,281 km (0.109 R)
• M4: 1,447,808 km (0.05 R)
• M5: 2,337,018 km (0.118 R)
• M6: 3,448,381 km (0.094 R)
• M7: 4,763,196 km (0.048 R)
• M8: 6,027,597 km (0.092 R)
• M9: 7,154,069 km (0.108 R)
• M10: 8,123,464 km (0.079 R)
• M11: 8,960,464 km (0.096 R)
• M12: 11,413,869 km (0.102 R)
• M13: 13,618,493 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.4

Radius: 6.1

Gravity: 15.76 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 9.98 AU - 13.78 AU

Year: 15765 Days

Day: 16 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,727,692 km

• M1: 76,445 km (0.109 R)
• M2: 323,431 km (0.025 R)
• M3: 2,517,433 km (0.11 R)
• M4: 4,508,581 km (0.118 R)
• M5: 6,970,962 km (0.115 R)
• M6: 9,825,439 km (0.095 R)
• M7: 11,599,370 km (0.108 R)
• M8: 12,721,803 km (0.106 R)
• M9: 13,442,416 km (0.109 R)
• M10: 19,866,896 km (0.097 R)
• M11: 20,303,423 km (0.103 R)
• M12: 20,657,222 km (0.081 R)
• M13: 26,156,290 km (0.113 R)
• M14: 27,859,013 km (0.103 R)
• M15: 35,029,089 km (0.111 R)
• M16: 35,538,021 km (0.108 R)
• M17: 42,323,332 km (0.117 R)
• M18: 49,125,398 km (0.081 R)
• M19: 51,055,061 km (0.119 R)
• M20: 60,183,672 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.7

Radius: 4.6

Gravity: 14.31 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 13.34 AU - 17.32 AU

Year: 23109 Days

Day: 16.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,727,692 km

• M1: 66,721 km (0.085 R)
• M2: 328,218 km (0.107 R)
• M3: 664,663 km (0.073 R)
• M4: 1,312,123 km (0.115 R)
• M5: 1,830,928 km (0.054 R)
• M6: 2,790,898 km (0.117 R)
• M7: 4,747,339 km (0.104 R)
• M8: 7,064,460 km (0.08 R)
• M9: 7,421,401 km (0.092 R)
• M10: 7,931,829 km (0.096 R)
• M11: 8,766,136 km (0.071 R)
• M12: 11,741,039 km (0.067 R)
• M13: 14,743,768 km (0.115 R)
• M14: 15,033,240 km (0.085 R)
• M15: 15,623,254 km (0.109 R)
• M16: 43,358,998 km (0.115 R)
• M17: 44,102,200 km (0.093 R)
• M18: 53,352,884 km (0.095 R)
• M19: 54,034,751 km (0.099 R)
• M20: 54,377,779 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.7

Radius: 3.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 13.73 AU - 19.01 AU

Year: 25500 Days

Day: 23.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,727,692 km

• M1: 48,619 km (0.025 R)
• M2: 1,443,619 km (0.08 R)
• M3: 3,179,254 km (0.091 R)
• M4: 4,158,222 km (0.097 R)
• M5: 5,682,475 km (0.109 R)
• M6: 6,619,706 km (0.081 R)
• M7: 9,297,657 km (0.053 R)
• M8: 10,042,505 km (0.101 R)
• M9: 11,064,408 km (0.061 R)
• M10: 24,112,783 km (0.12 R)
• M11: 25,764,344 km (0.104 R)
• M12: 26,188,603 km (0.089 R)
• M13: 28,111,235 km (0.109 R)
• M14: 31,747,062 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 12,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit