🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.54 AU - 0.58 AU

Year: 271 Days

Day: 15.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 9.1

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.12 AU - 1.72 AU

Year: 1093 Days

Day: 13.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,480,416 km

• M1: 113,246 km (0.105 R)
• M2: 437,723 km (0.096 R)
• M3: 781,798 km (0.101 R)
• M4: 1,173,894 km (0.049 R)
• M5: 1,713,195 km (0.084 R)
• M6: 2,092,276 km (0.109 R)
• M7: 2,387,133 km (0.089 R)
• M8: 3,255,998 km (0.081 R)
• M9: 3,810,258 km (0.098 R)
• M10: 4,168,844 km (0.092 R)
• M11: 4,514,415 km (0.058 R)
• M12: 5,011,080 km (0.097 R)
• M13: 5,402,278 km (0.094 R)
• M14: 6,561,063 km (0.106 R)
• M15: 6,863,251 km (0.039 R)
• M16: 7,223,483 km (0.084 R)
• M17: 8,060,782 km (0.027 R)
• M18: 8,820,590 km (0.11 R)
• M19: 9,450,546 km (0.069 R)
• M20: 10,171,608 km (0.081 R)
• M21: 10,640,448 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 8.6

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.85 AU - 4.81 AU

Year: 5818 Days

Day: 7.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,480,416 km

• M1: 107,262 km (0.086 R)
• M2: 509,082 km (0.047 R)
• M3: 873,951 km (0.103 R)
• M4: 1,411,306 km (0.1 R)
• M5: 1,708,408 km (0.113 R)
• M6: 1,988,006 km (0.102 R)
• M7: 3,717,956 km (0.075 R)
• M8: 4,548,224 km (0.108 R)
• M9: 5,526,893 km (0.026 R)
• M10: 7,302,770 km (0.12 R)
• M11: 8,518,851 km (0.059 R)
• M12: 9,429,603 km (0.067 R)
• M13: 11,989,372 km (0.106 R)
• M14: 14,231,844 km (0.051 R)
• M15: 17,507,738 km (0.088 R)
• M16: 18,432,702 km (0.107 R)
• M17: 19,044,258 km (0.104 R)
• M18: 19,389,829 km (0.108 R)
• M19: 20,236,254 km (0.093 R)
• M20: 20,596,186 km (0.112 R)
• M21: 21,626,616 km (0.119 R)
• M22: 22,845,839 km (0.101 R)
• M23: 24,029,906 km (0.109 R)
• M24: 24,352,439 km (0.108 R)
• M25: 24,923,903 km (0.1 R)
• M26: 25,755,667 km (0.071 R)
• M27: 28,451,869 km (0.111 R)
• M28: 31,909,525 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.5

Radius: 6.2

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.22 AU - 11.7 AU

Year: 18787 Days

Day: 24.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,480,416 km

• M1: 77,193 km (0.081 R)
• M2: 472,879 km (0.109 R)
• M3: 1,068,278 km (0.027 R)
• M4: 1,453,942 km (0.101 R)
• M5: 1,719,328 km (0.077 R)
• M6: 5,411,254 km (0.1 R)
• M7: 12,325,219 km (0.073 R)
• M8: 12,948,743 km (0.107 R)
• M9: 13,812,521 km (0.085 R)
• M10: 22,917,795 km (0.086 R)
• M11: 26,753,634 km (0.034 R)
• M12: 27,533,937 km (0.115 R)
• M13: 31,091,225 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.9

Radius: 3.9

Gravity: 31.75 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.73 AU - 11.31 AU

Year: 18966 Days

Day: 15.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,480,416 km

• M1: 48,619 km (0.083 R)
• M2: 306,077 km (0.118 R)
• M3: 455,376 km (0.09 R)
• M4: 907,012 km (0.097 R)
• M5: 1,236,726 km (0.093 R)
• M6: 1,742,366 km (0.098 R)
• M7: 2,168,720 km (0.061 R)
• M8: 2,417,202 km (0.119 R)
• M9: 3,632,535 km (0.099 R)
• M10: 5,387,767 km (0.03 R)
• M11: 8,918,127 km (0.061 R)
• M12: 13,057,800 km (0.079 R)
• M13: 14,298,116 km (0.071 R)
• M14: 14,512,190 km (0.12 R)
• M15: 20,767,476 km (0.098 R)
• M16: 24,023,174 km (0.098 R)
• M17: 33,239,600 km (0.109 R)
• M18: 37,665,453 km (0.116 R)
• M19: 38,761,107 km (0.115 R)
• M20: 40,586,351 km (0.062 R)
• M21: 44,256,136 km (0.112 R)
• M22: 60,772,938 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.2

Radius: 6.3

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.87 AU - 11.73 AU

Year: 24526 Days

Day: 21 Hours

Environment

Temp: -225 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,480,416 km

• M1: 83,476 km (0.107 R)
• M2: 308,770 km (0.114 R)
• M3: 532,868 km (0.096 R)
• M4: 763,548 km (0.106 R)
• M5: 1,101,040 km (0.105 R)
• M6: 1,877,752 km (0.042 R)
• M7: 2,642,646 km (0.074 R)
• M8: 4,308,718 km (0.081 R)
• M9: 4,794,462 km (0.106 R)
• M10: 5,467,204 km (0.071 R)
• M11: 6,234,342 km (0.113 R)
• M12: 6,505,413 km (0.116 R)
• M13: 7,071,192 km (0.101 R)
• M14: 8,259,897 km (0.111 R)
• M15: 12,510,870 km (0.114 R)
• M16: 13,107,017 km (0.111 R)
• M17: 22,910,465 km (0.1 R)
• M18: 24,214,959 km (0.112 R)
• M19: 31,585,197 km (0.102 R)
• M20: 32,083,657 km (0.088 R)
• M21: 35,721,279 km (0.107 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 12,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit