🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.49 AU - 1.53 AU

Year: 688 Days

Day: 36.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.43 AU - 1.69 AU

Year: 723 Days

Day: 35.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.8

Radius: 9.3

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.53 AU - 6.97 AU

Year: 5113 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 177.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,950,171 km

• M1: 121,473 km (0.112 R)
• M2: 464,501 km (0.105 R)
• M3: 1,546,992 km (0.087 R)
• M4: 3,157,712 km (0.111 R)
• M5: 3,508,369 km (0.098 R)
• M6: 4,167,049 km (0.045 R)
• M7: 4,799,100 km (0.099 R)
• M8: 7,186,083 km (0.088 R)
• M9: 7,795,844 km (0.08 R)
• M10: 8,132,439 km (0.08 R)
• M11: 9,242,306 km (0.118 R)
• M12: 9,619,592 km (0.08 R)
• M13: 12,811,711 km (0.115 R)
• M14: 13,925,168 km (0.106 R)
• M15: 15,044,310 km (0.1 R)
• M16: 15,625,797 km (0.094 R)
• M17: 19,916,264 km (0.054 R)
• M18: 23,665,785 km (0.082 R)
• M19: 23,978,444 km (0.118 R)
• M20: 25,501,051 km (0.115 R)
• M21: 26,495,428 km (0.117 R)
• M22: 27,861,107 km (0.115 R)
• M23: 29,004,783 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 12.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.61 AU - 8.11 AU

Year: 8172 Days

Day: 7.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,950,171 km

• M1: 150,645 km (0.027 R)
• M2: 650,751 km (0.076 R)
• M3: 1,540,260 km (0.075 R)
• M4: 2,040,365 km (0.112 R)
• M5: 2,907,883 km (0.11 R)
• M6: 3,373,432 km (0.04 R)
• M7: 6,835,576 km (0.106 R)
• M8: 9,784,598 km (0.12 R)
• M9: 10,187,765 km (0.097 R)
• M10: 11,464,732 km (0.12 R)
• M11: 12,218,705 km (0.095 R)
• M12: 12,739,605 km (0.072 R)
• M13: 14,220,325 km (0.113 R)
• M14: 16,120,218 km (0.088 R)
• M15: 23,781,574 km (0.034 R)
• M16: 25,763,596 km (0.068 R)
• M17: 29,123,414 km (0.083 R)
• M18: 32,072,587 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.5

Radius: 15

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.19 AU - 9.65 AU

Year: 8266 Days

Day: 12.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,950,171 km

• M1: 196,272 km (0.06 R)
• M2: 695,780 km (0.114 R)
• M3: 1,890,169 km (0.079 R)
• M4: 2,562,761 km (0.105 R)
• M5: 3,392,581 km (0.089 R)
• M6: 4,368,707 km (0.11 R)
• M7: 5,210,494 km (0.037 R)
• M8: 6,729,062 km (0.034 R)
• M9: 7,731,966 km (0.077 R)
• M10: 8,656,630 km (0.113 R)
• M11: 10,575,821 km (0.079 R)
• M12: 11,823,318 km (0.094 R)
• M13: 12,708,190 km (0.051 R)
• M14: 14,178,737 km (0.075 R)
• M15: 15,499,536 km (0.057 R)
• M16: 16,695,721 km (0.098 R)
• M17: 17,667,957 km (0.093 R)
• M18: 24,312,496 km (0.041 R)
• M19: 26,294,369 km (0.104 R)
• M20: 27,802,166 km (0.102 R)
• M21: 29,366,660 km (0.12 R)
• M22: 34,081,686 km (0.104 R)
• M23: 34,857,800 km (0.088 R)
• M24: 35,987,114 km (0.073 R)
• M25: 37,024,276 km (0.11 R)
• M26: 42,766,590 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.4

Radius: 13.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.26 AU - 8.76 AU

Year: 8407 Days

Day: 11 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,950,171 km

• M1: 169,195 km (0.088 R)
• M2: 924,515 km (0.117 R)
• M3: 1,602,642 km (0.075 R)
• M4: 2,271,195 km (0.056 R)
• M5: 3,643,007 km (0.084 R)
• M6: 4,809,572 km (0.051 R)
• M7: 5,664,673 km (0.072 R)
• M8: 7,153,172 km (0.056 R)
• M9: 7,677,812 km (0.104 R)
• M10: 8,389,897 km (0.057 R)
• M11: 9,719,523 km (0.05 R)
• M12: 10,696,996 km (0.087 R)
• M13: 11,688,082 km (0.106 R)
• M14: 14,374,560 km (0.095 R)
• M15: 15,705,532 km (0.109 R)
• M16: 19,534,939 km (0.058 R)
• M17: 21,319,043 km (0.042 R)
• M18: 22,647,173 km (0.074 R)
• M19: 23,617,315 km (0.1 R)
• M20: 28,144,147 km (0.068 R)
• M21: 30,319,449 km (0.098 R)
• M22: 31,200,431 km (0.09 R)
• M23: 35,863,397 km (0.108 R)
• M24: 36,848,648 km (0.095 R)
• M25: 37,292,356 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 14.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.1 AU - 9.76 AU

Year: 9077 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,950,171 km

• M1: 183,407 km (0.107 R)
• M2: 649,404 km (0.096 R)
• M3: 1,102,836 km (0.103 R)
• M4: 2,470,459 km (0.111 R)
• M5: 3,451,073 km (0.078 R)
• M6: 4,270,720 km (0.086 R)
• M7: 4,903,968 km (0.116 R)
• M8: 7,122,504 km (0.075 R)
• M9: 9,297,059 km (0.091 R)
• M10: 12,405,852 km (0.065 R)
• M11: 14,864,792 km (0.098 R)
• M12: 16,616,135 km (0.112 R)
• M13: 24,626,951 km (0.102 R)
• M14: 26,748,099 km (0.113 R)
• M15: 27,646,285 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.2

Radius: 6.7

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 11.59 AU - 15.49 AU

Year: 18477 Days

Day: 23.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 75,950,171 km

• M1: 87,216 km (0.107 R)
• M2: 300,542 km (0.086 R)
• M3: 548,276 km (0.039 R)
• M4: 1,171,950 km (0.031 R)
• M5: 1,447,808 km (0.114 R)
• M6: 2,193,853 km (0.101 R)
• M7: 2,663,740 km (0.08 R)
• M8: 3,742,340 km (0.112 R)
• M9: 4,312,308 km (0.118 R)
• M10: 5,198,227 km (0.12 R)
• M11: 5,505,800 km (0.113 R)
• M12: 6,199,785 km (0.116 R)
• M13: 6,679,096 km (0.076 R)
• M14: 7,089,293 km (0.112 R)
• M15: 7,662,253 km (0.065 R)
• M16: 8,162,808 km (0.111 R)
• M17: 10,147,074 km (0.1 R)
• M18: 11,187,378 km (0.081 R)
• M19: 13,478,319 km (0.085 R)
• M20: 14,506,356 km (0.101 R)
• M21: 15,506,866 km (0.069 R)
• M22: 17,730,639 km (0.076 R)
• M23: 19,417,205 km (0.099 R)
• M24: 20,252,410 km (0.093 R)
• M25: 24,149,435 km (0.115 R)
• M26: 25,772,572 km (0.078 R)
• M27: 25,994,276 km (0.057 R)
• M28: 28,875,082 km (0.062 R)
• M29: 29,596,742 km (0.103 R)
• M30: 30,084,581 km (0.04 R)
• M31: 32,089,641 km (0.086 R)
• M32: 34,048,625 km (0.12 R)
• M33: 34,854,210 km (0.089 R)
• M34: 47,004,698 km (0.086 R)
• M35: 52,849,188 km (0.096 R)
• M36: 64,108,073 km (0.117 R)
• M37: 72,366,474 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 13,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit