🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.15 AU - 3.73 AU

Year: 2430 Days

Day: 18.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.8

Radius: 11.7

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.38 AU - 5.08 AU

Year: 3917 Days

Day: 5.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,010,153 km

• M1: 145,559 km (0.088 R)
• M2: 569,519 km (0.067 R)
• M3: 1,378,844 km (0.1 R)
• M4: 1,782,010 km (0.073 R)
• M5: 2,628,584 km (0.113 R)
• M6: 3,220,244 km (0.053 R)
• M7: 5,213,336 km (0.089 R)
• M8: 5,598,102 km (0.04 R)
• M9: 8,925,907 km (0.109 R)
• M10: 10,696,547 km (0.089 R)
• M11: 13,749,092 km (0.114 R)
• M12: 23,831,988 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 8.2

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.9 AU - 5.36 AU

Year: 4425 Days

Day: 14.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 168 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,010,153 km

• M1: 111,301 km (0.108 R)
• M2: 478,264 km (0.114 R)
• M3: 771,925 km (0.047 R)
• M4: 1,108,221 km (0.095 R)
• M5: 1,392,307 km (0.063 R)
• M6: 2,016,729 km (0.104 R)
• M7: 2,281,816 km (0.099 R)
• M8: 2,618,262 km (0.032 R)
• M9: 2,883,499 km (0.101 R)
• M10: 4,608,961 km (0.108 R)
• M11: 4,972,932 km (0.074 R)
• M12: 5,303,693 km (0.057 R)
• M13: 5,703,718 km (0.089 R)
• M14: 6,239,129 km (0.116 R)
• M15: 6,931,468 km (0.071 R)
• M16: 9,317,105 km (0.042 R)
• M17: 10,425,027 km (0.049 R)
• M18: 12,339,730 km (0.103 R)
• M19: 12,995,268 km (0.102 R)
• M20: 15,048,499 km (0.091 R)
• M21: 15,366,095 km (0.114 R)
• M22: 19,100,058 km (0.093 R)
• M23: 19,913,272 km (0.06 R)
• M24: 22,629,371 km (0.086 R)
• M25: 23,257,083 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.2

Radius: 9

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.42 AU - 7.52 AU

Year: 6267 Days

Day: 13.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,010,153 km

• M1: 111,899 km (0.119 R)
• M2: 754,123 km (0.031 R)
• M3: 2,052,184 km (0.109 R)
• M4: 3,482,190 km (0.106 R)
• M5: 4,303,781 km (0.109 R)
• M6: 5,021,701 km (0.053 R)
• M7: 5,453,890 km (0.066 R)
• M8: 5,910,612 km (0.1 R)
• M9: 6,425,677 km (0.091 R)
• M10: 11,833,042 km (0.096 R)
• M11: 12,495,461 km (0.036 R)
• M12: 13,562,393 km (0.108 R)
• M13: 14,287,793 km (0.056 R)
• M14: 17,842,538 km (0.095 R)
• M15: 24,217,352 km (0.082 R)
• M16: 28,222,685 km (0.115 R)
• M17: 33,545,976 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.9

Radius: 12.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.95 AU - 9.25 AU

Year: 7978 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,010,153 km

• M1: 154,235 km (0.12 R)
• M2: 598,840 km (0.09 R)
• M3: 1,089,372 km (0.052 R)
• M4: 1,588,729 km (0.094 R)
• M5: 2,125,487 km (0.117 R)
• M6: 2,724,028 km (0.104 R)
• M7: 3,365,503 km (0.081 R)
• M8: 4,182,906 km (0.111 R)
• M9: 4,751,228 km (0.08 R)
• M10: 5,309,378 km (0.109 R)
• M11: 8,155,029 km (0.077 R)
• M12: 12,051,305 km (0.096 R)
• M13: 12,868,409 km (0.094 R)
• M14: 13,319,147 km (0.079 R)
• M15: 14,074,018 km (0.114 R)
• M16: 15,166,083 km (0.104 R)
• M17: 18,495,982 km (0.111 R)
• M18: 20,407,094 km (0.103 R)
• M19: 22,204,662 km (0.075 R)
• M20: 24,190,574 km (0.093 R)
• M21: 24,705,041 km (0.118 R)
• M22: 29,864,672 km (0.085 R)
• M23: 31,971,758 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706

Radius: 13.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.35 AU - 8.83 AU

Year: 8762 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,010,153 km

• M1: 227,987 km (0.099 R)
• M2: 1,159,533 km (0.091 R)
• M3: 1,602,792 km (0.032 R)
• M4: 2,689,620 km (0.07 R)
• M5: 4,496,164 km (0.08 R)
• M6: 5,689,955 km (0.076 R)
• M7: 6,819,269 km (0.063 R)
• M8: 7,358,121 km (0.093 R)
• M9: 10,392,564 km (0.113 R)
• M10: 10,848,688 km (0.086 R)
• M11: 13,692,095 km (0.077 R)
• M12: 16,043,624 km (0.031 R)
• M13: 16,654,133 km (0.114 R)
• M14: 19,480,635 km (0.109 R)
• M15: 29,757,111 km (0.085 R)
• M16: 40,979,195 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403

Radius: 4.3

Gravity: 21.8 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 10.76 AU - 14.48 AU

Year: 17072 Days

Day: 23.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,010,153 km

• M1: 57,146 km (0.114 R)
• M2: 262,843 km (0.112 R)
• M3: 422,315 km (0.04 R)
• M4: 759,957 km (0.116 R)
• M5: 1,003,951 km (0.047 R)
• M6: 1,271,731 km (0.079 R)
• M7: 1,663,828 km (0.082 R)
• M8: 2,532,094 km (0.09 R)
• M9: 3,100,416 km (0.036 R)
• M10: 4,515,911 km (0.058 R)
• M11: 5,070,470 km (0.027 R)
• M12: 8,206,191 km (0.086 R)
• M13: 9,028,979 km (0.077 R)
• M14: 9,537,762 km (0.106 R)
• M15: 10,065,543 km (0.04 R)
• M16: 11,528,610 km (0.029 R)
• M17: 12,434,126 km (0.071 R)
• M18: 14,799,119 km (0.09 R)
• M19: 16,909,496 km (0.079 R)
• M20: 18,557,317 km (0.083 R)
• M21: 18,801,161 km (0.099 R)
• M22: 20,309,257 km (0.066 R)
• M23: 21,986,549 km (0.049 R)
• M24: 24,525,823 km (0.091 R)
• M25: 29,842,681 km (0.096 R)
• M26: 31,888,581 km (0.111 R)
• M27: 32,355,476 km (0.098 R)
• M28: 33,904,861 km (0.035 R)
• M29: 34,636,245 km (0.104 R)
• M30: 40,053,633 km (0.057 R)
• M31: 51,241,609 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.4

Radius: 4.4

Gravity: 42.22 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 10.53 AU - 16.93 AU

Year: 19373 Days

Day: 23.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,010,153 km

• M1: 56,847 km (0.055 R)
• M2: 403,017 km (0.04 R)
• M3: 861,534 km (0.088 R)
• M4: 1,159,832 km (0.061 R)
• M5: 2,892,176 km (0.093 R)
• M6: 3,707,783 km (0.055 R)
• M7: 3,862,617 km (0.085 R)
• M8: 5,070,021 km (0.052 R)
• M9: 7,942,151 km (0.09 R)
• M10: 8,677,873 km (0.102 R)
• M11: 10,466,765 km (0.098 R)
• M12: 21,938,677 km (0.111 R)
• M13: 27,486,066 km (0.077 R)
• M14: 28,194,561 km (0.037 R)
• M15: 33,364,065 km (0.112 R)
• M16: 37,812,208 km (0.051 R)
• M17: 38,102,578 km (0.093 R)
• M18: 46,851,959 km (0.113 R)
• M19: 48,031,688 km (0.116 R)
• M20: 58,190,729 km (0.106 R)
• M21: 58,577,889 km (0.114 R)
• M22: 62,950,485 km (0.066 R)
• M23: 75,740,205 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 16,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit