🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.55 AU - 0.65 AU

Year: 175 Days

Day: 14.3 Hours

Environment

Temp: 135 °C

Axial Tilt: 33.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 36,943,097 km

• M1: 43,383 km (0.092 R)
• M2: 441,463 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.57 AU - 2.45 AU

Year: 1074 Days

Day: 45.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 10.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.59 AU - 5.23 AU

Year: 3489 Days

Day: 7.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,943,097 km

• M1: 133,142 km (0.094 R)
• M2: 471,233 km (0.086 R)
• M3: 998,267 km (0.118 R)
• M4: 1,351,467 km (0.117 R)
• M5: 1,875,658 km (0.119 R)
• M6: 2,547,502 km (0.095 R)
• M7: 3,009,311 km (0.111 R)
• M8: 3,952,974 km (0.105 R)
• M9: 5,008,387 km (0.104 R)
• M10: 5,521,957 km (0.086 R)
• M11: 5,986,009 km (0.113 R)
• M12: 8,039,240 km (0.105 R)
• M13: 9,376,495 km (0.066 R)
• M14: 10,606,489 km (0.048 R)
• M15: 11,455,307 km (0.102 R)
• M16: 13,001,401 km (0.105 R)
• M17: 14,579,509 km (0.111 R)
• M18: 16,614,938 km (0.044 R)
• M19: 18,350,572 km (0.089 R)
• M20: 22,178,932 km (0.095 R)
• M21: 23,353,574 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.5

Radius: 8.8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.43 AU - 9.69 AU

Year: 8620 Days

Day: 14.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,943,097 km

• M1: 109,506 km (0.04 R)
• M2: 403,765 km (0.116 R)
• M3: 809,624 km (0.096 R)
• M4: 1,335,610 km (0.084 R)
• M5: 2,685,581 km (0.082 R)
• M6: 2,961,290 km (0.108 R)
• M7: 4,835,003 km (0.113 R)
• M8: 5,397,940 km (0.117 R)
• M9: 6,238,381 km (0.096 R)
• M10: 6,619,107 km (0.084 R)
• M11: 7,275,692 km (0.104 R)
• M12: 7,776,397 km (0.039 R)
• M13: 9,151,051 km (0.076 R)
• M14: 9,507,244 km (0.063 R)
• M15: 11,948,083 km (0.11 R)
• M16: 13,031,770 km (0.119 R)
• M17: 13,655,144 km (0.075 R)
• M18: 15,518,984 km (0.114 R)
• M19: 17,478,417 km (0.054 R)
• M20: 18,236,429 km (0.068 R)
• M21: 19,744,376 km (0.055 R)
• M22: 20,190,028 km (0.046 R)
• M23: 20,566,566 km (0.077 R)
• M24: 20,871,147 km (0.112 R)
• M25: 21,724,154 km (0.059 R)
• M26: 22,119,541 km (0.056 R)
• M27: 32,491,461 km (0.057 R)
• M28: 34,166,059 km (0.099 R)
• M29: 38,372,452 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.1

Radius: 8.3

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 9.46 AU - 10.56 AU

Year: 11931 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,943,097 km

• M1: 103,223 km (0.056 R)
• M2: 470,186 km (0.114 R)
• M3: 1,207,853 km (0.079 R)
• M4: 1,513,482 km (0.101 R)
• M5: 1,886,728 km (0.118 R)
• M6: 2,756,490 km (0.079 R)
• M7: 3,061,520 km (0.044 R)
• M8: 4,226,738 km (0.117 R)
• M9: 5,767,297 km (0.091 R)
• M10: 7,318,178 km (0.097 R)
• M11: 7,949,631 km (0.056 R)
• M12: 9,176,782 km (0.044 R)
• M13: 10,736,340 km (0.094 R)
• M14: 12,523,735 km (0.085 R)
• M15: 16,394,281 km (0.117 R)
• M16: 16,820,485 km (0.117 R)
• M17: 18,294,623 km (0.117 R)
• M18: 22,615,009 km (0.11 R)
• M19: 27,470,507 km (0.093 R)
• M20: 35,751,946 km (0.075 R)
• M21: 36,228,864 km (0.074 R)
• M22: 36,830,996 km (0.115 R)
• M23: 39,306,242 km (0.107 R)
• M24: 41,233,960 km (0.093 R)
• M25: 41,890,246 km (0.12 R)
• M26: 42,954,785 km (0.065 R)
• M27: 45,695,118 km (0.104 R)
• M28: 46,539,299 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.7

Radius: 10.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.95 AU - 13.79 AU

Year: 14443 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,943,097 km

• M1: 141,220 km (0.074 R)
• M2: 1,435,840 km (0.118 R)
• M3: 2,495,891 km (0.051 R)
• M4: 3,277,989 km (0.105 R)
• M5: 4,607,166 km (0.12 R)
• M6: 5,393,003 km (0.114 R)
• M7: 6,304,353 km (0.108 R)
• M8: 7,616,925 km (0.066 R)
• M9: 9,554,517 km (0.101 R)
• M10: 16,708,437 km (0.091 R)
• M11: 19,117,261 km (0.047 R)
• M12: 20,447,037 km (0.079 R)
• M13: 20,875,036 km (0.109 R)
• M14: 21,660,276 km (0.085 R)
• M15: 24,806,020 km (0.118 R)
• M16: 26,285,991 km (0.083 R)
• M17: 30,742,362 km (0.075 R)
• M18: 41,117,723 km (0.077 R)
• M19: 50,431,237 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188

Radius: 6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 10.99 AU - 15.05 AU

Year: 17699 Days

Day: 20.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,943,097 km

• M1: 75,098 km (0.116 R)
• M2: 496,067 km (0.065 R)
• M3: 1,172,997 km (0.071 R)
• M4: 1,456,634 km (0.055 R)
• M5: 2,215,395 km (0.103 R)
• M6: 3,256,895 km (0.087 R)
• M7: 3,667,242 km (0.067 R)
• M8: 4,561,688 km (0.079 R)
• M9: 5,138,388 km (0.092 R)
• M10: 5,831,026 km (0.087 R)
• M11: 7,121,008 km (0.093 R)
• M12: 7,359,766 km (0.095 R)
• M13: 10,101,147 km (0.078 R)
• M14: 10,814,580 km (0.116 R)
• M15: 13,456,179 km (0.052 R)
• M16: 17,058,496 km (0.034 R)
• M17: 18,588,283 km (0.077 R)
• M18: 29,729,585 km (0.073 R)
• M19: 31,615,116 km (0.104 R)
• M20: 33,025,675 km (0.114 R)
• M21: 33,579,037 km (0.07 R)
• M22: 34,932,599 km (0.119 R)
• M23: 39,211,098 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.8

Radius: 5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 11.59 AU - 18.67 AU

Year: 22171 Days

Day: 22.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,943,097 km

• M1: 68,366 km (0.109 R)
• M2: 482,304 km (0.059 R)
• M3: 1,712,148 km (0.065 R)
• M4: 2,933,465 km (0.12 R)
• M5: 3,290,256 km (0.073 R)
• M6: 3,891,340 km (0.12 R)
• M7: 6,435,551 km (0.081 R)
• M8: 6,678,797 km (0.092 R)
• M9: 7,000,732 km (0.047 R)
• M10: 7,559,928 km (0.06 R)
• M11: 9,685,116 km (0.083 R)
• M12: 12,658,224 km (0.103 R)
• M13: 15,189,719 km (0.105 R)
• M14: 20,922,309 km (0.115 R)
• M15: 26,680,331 km (0.112 R)
• M16: 28,780,835 km (0.077 R)
• M17: 32,794,097 km (0.069 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: 512 - 17,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit