🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.02 AU - 2.5 AU

Year: 1473 Days

Day: 47 Hours

Environment

Temp: -136 °C

Axial Tilt: 7.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.04 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 13.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.17 AU - 4.45 AU

Year: 3224 Days

Day: 6.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,510,802 km

• M1: 169,195 km (0.074 R)
• M2: 599,289 km (0.028 R)
• M3: 1,110,166 km (0.049 R)
• M4: 1,604,736 km (0.107 R)
• M5: 2,404,636 km (0.108 R)
• M6: 2,839,218 km (0.047 R)
• M7: 3,729,026 km (0.116 R)
• M8: 4,541,043 km (0.078 R)
• M9: 5,520,311 km (0.105 R)
• M10: 5,949,507 km (0.106 R)
• M11: 6,845,599 km (0.093 R)
• M12: 7,697,558 km (0.052 R)
• M13: 8,304,028 km (0.099 R)
• M14: 8,869,807 km (0.059 R)
• M15: 9,960,825 km (0.109 R)
• M16: 11,309,150 km (0.101 R)
• M17: 13,773,326 km (0.11 R)
• M18: 14,719,682 km (0.103 R)
• M19: 15,182,987 km (0.053 R)
• M20: 16,686,894 km (0.069 R)
• M21: 17,878,442 km (0.032 R)
• M22: 19,989,417 km (0.12 R)
• M23: 22,060,450 km (0.053 R)

Asteroid Belt

Center: 4.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.8

Radius: 11.2

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.16 AU - 5.88 AU

Year: 5622 Days

Day: 10.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,510,802 km

• M1: 139,276 km (0.027 R)
• M2: 526,435 km (0.081 R)
• M3: 1,139,337 km (0.109 R)
• M4: 1,884,335 km (0.066 R)
• M5: 2,377,260 km (0.034 R)
• M6: 2,790,150 km (0.117 R)
• M7: 3,195,560 km (0.079 R)
• M8: 8,698,817 km (0.115 R)
• M9: 9,226,748 km (0.106 R)
• M10: 9,629,316 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.4

Radius: 14.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.34 AU - 6.36 AU

Year: 6936 Days

Day: 5.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,510,802 km

• M1: 175,478 km (0.079 R)
• M2: 761,154 km (0.108 R)
• M3: 1,586,186 km (0.067 R)
• M4: 3,110,738 km (0.087 R)
• M5: 3,728,278 km (0.054 R)
• M6: 4,568,719 km (0.106 R)
• M7: 6,813,884 km (0.113 R)
• M8: 8,692,384 km (0.118 R)
• M9: 9,479,119 km (0.066 R)
• M10: 10,029,640 km (0.073 R)
• M11: 11,082,061 km (0.072 R)
• M12: 14,012,833 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.2

Radius: 5.1

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 10.72 AU - 11.66 AU

Year: 16226 Days

Day: 17.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,510,802 km

• M1: 66,571 km (0.108 R)
• M2: 622,028 km (0.091 R)
• M3: 2,304,705 km (0.112 R)
• M4: 4,734,473 km (0.116 R)
• M5: 6,213,548 km (0.088 R)
• M6: 9,901,584 km (0.109 R)
• M7: 15,019,626 km (0.12 R)
• M8: 16,193,072 km (0.092 R)
• M9: 17,708,648 km (0.106 R)
• M10: 18,794,579 km (0.084 R)
• M11: 19,924,192 km (0.066 R)
• M12: 20,939,064 km (0.101 R)
• M13: 28,536,392 km (0.1 R)
• M14: 29,424,106 km (0.09 R)
• M15: 35,931,165 km (0.098 R)
• M16: 38,020,149 km (0.099 R)
• M17: 42,565,381 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485

Radius: 7.6

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 14.68 AU - 15.74 AU

Year: 25713 Days

Day: 24.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,510,802 km

• M1: 96,042 km (0.062 R)
• M2: 375,790 km (0.038 R)
• M3: 626,665 km (0.114 R)
• M4: 1,081,742 km (0.11 R)
• M5: 1,688,511 km (0.06 R)
• M6: 2,047,845 km (0.081 R)
• M7: 2,300,516 km (0.097 R)
• M8: 2,998,989 km (0.051 R)
• M9: 3,587,507 km (0.104 R)
• M10: 4,558,995 km (0.104 R)
• M11: 13,860,243 km (0.092 R)
• M12: 16,376,479 km (0.053 R)
• M13: 19,460,439 km (0.094 R)
• M14: 20,025,470 km (0.119 R)
• M15: 25,055,699 km (0.081 R)
• M16: 28,277,588 km (0.103 R)
• M17: 34,974,935 km (0.084 R)
• M18: 35,950,313 km (0.087 R)
• M19: 50,681,215 km (0.114 R)
• M20: 53,748,121 km (0.046 R)
• M21: 56,745,614 km (0.091 R)
• M22: 59,852,612 km (0.081 R)
• M23: 64,100,294 km (0.103 R)
• M24: 65,349,735 km (0.083 R)
• M25: 66,615,483 km (0.103 R)
• M26: 75,705,050 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.6

Radius: 7.7

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 12.03 AU - 19.37 AU

Year: 26966 Days

Day: 20.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 30,510,802 km

• M1: 95,743 km (0.104 R)
• M2: 335,997 km (0.116 R)
• M3: 683,961 km (0.077 R)
• M4: 1,165,068 km (0.072 R)
• M5: 1,490,144 km (0.079 R)
• M6: 2,925,985 km (0.103 R)
• M7: 3,292,350 km (0.075 R)
• M8: 4,801,942 km (0.094 R)
• M9: 7,213,161 km (0.057 R)
• M10: 8,426,250 km (0.076 R)
• M11: 11,729,969 km (0.118 R)
• M12: 15,388,684 km (0.091 R)
• M13: 15,639,859 km (0.064 R)
• M14: 15,893,727 km (0.095 R)
• M15: 17,840,593 km (0.08 R)
• M16: 20,744,138 km (0.097 R)
• M17: 22,414,847 km (0.091 R)
• M18: 26,378,293 km (0.045 R)
• M19: 27,591,083 km (0.102 R)
• M20: 30,127,665 km (0.047 R)
• M21: 35,077,858 km (0.07 R)
• M22: 39,753,091 km (0.093 R)
• M23: 41,507,126 km (0.107 R)
• M24: 48,141,642 km (0.108 R)
• M25: 50,501,100 km (0.107 R)
• M26: 53,701,596 km (0.108 R)
• M27: 56,238,328 km (0.106 R)
• M28: 62,820,783 km (0.119 R)
• M29: 63,893,550 km (0.034 R)
• M30: 69,669,823 km (0.082 R)
• M31: 73,629,080 km (0.054 R)
• M32: 76,269,333 km (0.12 R)
• M33: 77,490,051 km (0.059 R)
• M34: 79,220,749 km (0.102 R)
• M35: 84,828,126 km (0.11 R)
• M36: 85,875,162 km (0.091 R)
• M37: 87,196,260 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.9

Radius: 6.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 15.3 AU - 18.26 AU

Year: 29795 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,510,802 km

• M1: 101,427 km (0.115 R)
• M2: 847,472 km (0.104 R)
• M3: 2,088,536 km (0.085 R)
• M4: 2,569,493 km (0.111 R)
• M5: 4,118,429 km (0.116 R)
• M6: 5,283,946 km (0.072 R)
• M7: 6,142,788 km (0.086 R)
• M8: 6,820,317 km (0.081 R)
• M9: 8,021,438 km (0.079 R)
• M10: 12,263,136 km (0.098 R)
• M11: 14,689,314 km (0.063 R)
• M12: 23,239,880 km (0.099 R)
• M13: 28,111,983 km (0.063 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 15,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit