🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.57 AU - 0.65 AU

Year: 313 Days

Day: 38.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,403,196 km

• M1: 73,602 km (0.12 R)
• M2: 104,719 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.57 AU - 0.69 AU

Year: 328 Days

Day: 29.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 8.1

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.13 AU - 1.15 AU

Year: 798 Days

Day: 13.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,403,196 km

• M1: 101,876 km (0.053 R)
• M2: 414,386 km (0.109 R)
• M3: 687,851 km (0.046 R)
• M4: 941,719 km (0.099 R)
• M5: 1,317,658 km (0.107 R)
• M6: 2,220,332 km (0.115 R)
• M7: 2,673,164 km (0.103 R)
• M8: 2,985,226 km (0.105 R)
• M9: 3,422,051 km (0.099 R)
• M10: 3,749,970 km (0.115 R)
• M11: 4,273,862 km (0.112 R)
• M12: 4,926,856 km (0.106 R)
• M13: 5,243,256 km (0.12 R)
• M14: 5,788,839 km (0.113 R)
• M15: 6,217,587 km (0.066 R)
• M16: 6,667,278 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 14.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.65 AU - 1.81 AU

Year: 1493 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,403,196 km

• M1: 177,872 km (0.096 R)
• M2: 938,128 km (0.078 R)
• M3: 1,482,216 km (0.1 R)
• M4: 1,954,496 km (0.056 R)
• M5: 2,822,164 km (0.067 R)
• M6: 3,562,075 km (0.066 R)
• M7: 4,964,256 km (0.114 R)
• M8: 6,227,909 km (0.094 R)
• M9: 6,708,268 km (0.112 R)
• M10: 7,168,281 km (0.095 R)
• M11: 7,982,393 km (0.118 R)
• M12: 8,626,412 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 15

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.12 AU - 2.14 AU

Year: 2039 Days

Day: 10.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,403,196 km

• M1: 187,147 km (0.054 R)
• M2: 846,275 km (0.117 R)
• M3: 1,795,922 km (0.117 R)
• M4: 2,602,704 km (0.109 R)
• M5: 3,075,882 km (0.032 R)
• M6: 4,007,577 km (0.067 R)
• M7: 5,143,175 km (0.118 R)
• M8: 6,405,332 km (0.108 R)
• M9: 7,539,433 km (0.043 R)
• M10: 11,282,671 km (0.048 R)
• M11: 12,892,344 km (0.086 R)
• M12: 14,331,925 km (0.118 R)
• M13: 16,864,766 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.6

Radius: 13.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.15 AU - 3.11 AU

Year: 2798 Days

Day: 5.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,403,196 km

• M1: 166,652 km (0.053 R)
• M2: 597,793 km (0.103 R)
• M3: 1,283,251 km (0.069 R)
• M4: 1,797,867 km (0.12 R)
• M5: 2,410,171 km (0.119 R)
• M6: 3,016,342 km (0.056 R)
• M7: 3,687,139 km (0.05 R)
• M8: 4,253,965 km (0.077 R)
• M9: 4,856,695 km (0.115 R)
• M10: 5,398,239 km (0.107 R)
• M11: 6,765,713 km (0.108 R)
• M12: 7,269,559 km (0.083 R)
• M13: 7,919,262 km (0.066 R)
• M14: 8,384,362 km (0.099 R)
• M15: 10,248,202 km (0.115 R)
• M16: 11,530,555 km (0.116 R)
• M17: 13,388,860 km (0.082 R)
• M18: 14,275,975 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.6

Radius: 8.7

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.76 AU - 4.42 AU

Year: 4462 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,403,196 km

• M1: 108,309 km (0.084 R)
• M2: 404,064 km (0.075 R)
• M3: 969,843 km (0.114 R)
• M4: 1,370,167 km (0.078 R)
• M5: 2,112,172 km (0.105 R)
• M6: 2,672,865 km (0.111 R)
• M7: 3,232,212 km (0.083 R)
• M8: 4,657,580 km (0.114 R)
• M9: 5,038,606 km (0.098 R)
• M10: 6,461,431 km (0.059 R)
• M11: 8,426,698 km (0.084 R)
• M12: 9,788,937 km (0.104 R)
• M13: 10,501,172 km (0.098 R)
• M14: 11,113,177 km (0.037 R)
• M15: 11,656,516 km (0.107 R)
• M16: 12,993,323 km (0.033 R)
• M17: 13,545,489 km (0.113 R)
• M18: 14,270,739 km (0.054 R)
• M19: 16,427,641 km (0.075 R)
• M20: 16,836,642 km (0.059 R)
• M21: 18,042,550 km (0.081 R)
• M22: 18,729,803 km (0.111 R)
• M23: 20,760,744 km (0.116 R)
• M24: 22,789,590 km (0.099 R)
• M25: 23,814,934 km (0.086 R)
• M26: 24,717,907 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.1

Radius: 3

Gravity: 76.68 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.55 AU - 8.93 AU

Year: 15517 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,403,196 km

• M1: 37,250 km (0.075 R)
• M2: 552,166 km (0.07 R)
• M3: 676,930 km (0.062 R)
• M4: 872,604 km (0.065 R)
• M5: 1,262,456 km (0.102 R)
• M6: 1,390,512 km (0.113 R)
• M7: 1,558,959 km (0.116 R)
• M8: 2,068,340 km (0.075 R)
• M9: 2,267,305 km (0.108 R)
• M10: 3,245,077 km (0.031 R)
• M11: 4,156,726 km (0.108 R)
• M12: 5,262,703 km (0.115 R)
• M13: 5,557,710 km (0.086 R)
• M14: 6,180,636 km (0.074 R)
• M15: 6,302,409 km (0.069 R)
• M16: 6,592,778 km (0.084 R)
• M17: 8,931,890 km (0.068 R)
• M18: 11,040,921 km (0.068 R)
• M19: 11,341,015 km (0.099 R)
• M20: 14,361,545 km (0.046 R)
• M21: 14,863,745 km (0.104 R)
• M22: 16,440,357 km (0.078 R)
• M23: 18,124,829 km (0.081 R)
• M24: 18,291,032 km (0.11 R)
• M25: 21,738,515 km (0.1 R)
• M26: 22,114,754 km (0.104 R)
• M27: 24,363,360 km (0.094 R)
• M28: 24,667,342 km (0.064 R)
• M29: 39,986,015 km (0.048 R)
• M30: 40,977,550 km (0.068 R)
• M31: 41,840,430 km (0.035 R)
• M32: 48,701,587 km (0.098 R)
• M33: 50,158,221 km (0.104 R)
• M34: 51,810,530 km (0.116 R)
• M35: 54,875,192 km (0.086 R)
• M36: 60,803,606 km (0.11 R)
• M37: 62,491,519 km (0.092 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: 476 - 14,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit