🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.73 AU - 1.01 AU

Year: 292 Days

Day: 27.6 Hours

Environment

Temp: 119 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 54,304,442 km

• M1: 135,685 km (0.07 R)
• M2: 201,359 km (0.068 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.37 AU - 1.76 AU

Year: 701 Days

Day: 24.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 108.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,304,442 km

• M1: 49,068 km (0.076 R)

Asteroid Belt

Center: 4.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.3

Radius: 12.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.06 AU - 7.44 AU

Year: 7026 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,304,442 km

• M1: 205,547 km (0.116 R)
• M2: 2,155,107 km (0.037 R)
• M3: 2,562,911 km (0.119 R)
• M4: 4,308,269 km (0.111 R)
• M5: 6,473,848 km (0.069 R)
• M6: 11,474,605 km (0.096 R)
• M7: 15,639,261 km (0.054 R)
• M8: 16,679,415 km (0.111 R)
• M9: 23,698,995 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.6

Radius: 3.6

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 12.15 AU - 14.07 AU

Year: 17083 Days

Day: 23.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,304,442 km

• M1: 44,879 km (0.068 R)
• M2: 521,797 km (0.081 R)
• M3: 721,062 km (0.11 R)
• M4: 978,669 km (0.092 R)
• M5: 1,386,174 km (0.106 R)
• M6: 2,525,212 km (0.063 R)
• M7: 3,301,475 km (0.054 R)
• M8: 3,652,432 km (0.077 R)
• M9: 4,351,353 km (0.034 R)
• M10: 8,964,652 km (0.086 R)
• M11: 9,732,389 km (0.088 R)
• M12: 11,495,400 km (0.112 R)
• M13: 11,942,099 km (0.11 R)
• M14: 13,189,895 km (0.039 R)
• M15: 13,900,784 km (0.082 R)
• M16: 14,350,774 km (0.037 R)
• M17: 17,000,452 km (0.06 R)
• M18: 19,327,746 km (0.12 R)
• M19: 22,237,574 km (0.105 R)
• M20: 22,930,212 km (0.103 R)
• M21: 32,987,677 km (0.104 R)
• M22: 33,186,343 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.5

Radius: 7.4

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 13.47 AU - 21.15 AU

Year: 25919 Days

Day: 24.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,304,442 km

• M1: 94,695 km (0.104 R)
• M2: 390,450 km (0.102 R)
• M3: 650,601 km (0.095 R)
• M4: 922,420 km (0.09 R)
• M5: 1,200,074 km (0.078 R)
• M6: 2,046,948 km (0.068 R)
• M7: 3,214,858 km (0.082 R)
• M8: 6,873,723 km (0.115 R)
• M9: 8,791,568 km (0.099 R)
• M10: 9,522,503 km (0.097 R)
• M11: 10,051,780 km (0.082 R)
• M12: 10,600,356 km (0.101 R)
• M13: 11,891,086 km (0.096 R)
• M14: 13,501,058 km (0.046 R)
• M15: 14,320,256 km (0.065 R)
• M16: 19,944,837 km (0.076 R)
• M17: 20,422,802 km (0.114 R)
• M18: 22,411,407 km (0.11 R)
• M19: 30,511,982 km (0.051 R)
• M20: 35,697,493 km (0.092 R)
• M21: 42,063,032 km (0.068 R)
• M22: 47,771,537 km (0.074 R)
• M23: 58,721,802 km (0.041 R)
• M24: 59,900,932 km (0.084 R)
• M25: 63,532,869 km (0.068 R)
• M26: 77,398,348 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161

Radius: 4

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 15.19 AU - 22.37 AU

Year: 29290 Days

Day: 24.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,304,442 km

• M1: 57,745 km (0.074 R)
• M2: 198,666 km (0.064 R)
• M3: 533,765 km (0.081 R)
• M4: 1,766,452 km (0.111 R)
• M5: 3,114,628 km (0.108 R)
• M6: 3,291,752 km (0.12 R)
• M7: 4,468,788 km (0.102 R)
• M8: 4,961,713 km (0.101 R)
• M9: 5,526,744 km (0.056 R)
• M10: 5,939,185 km (0.072 R)
• M11: 6,094,168 km (0.059 R)
• M12: 8,508,379 km (0.109 R)
• M13: 11,254,996 km (0.081 R)
• M14: 12,039,337 km (0.049 R)
• M15: 14,750,948 km (0.096 R)
• M16: 15,323,609 km (0.102 R)
• M17: 15,836,730 km (0.072 R)
• M18: 16,974,870 km (0.12 R)
• M19: 25,473,675 km (0.093 R)
• M20: 30,108,666 km (0.099 R)
• M21: 37,602,771 km (0.083 R)
• M22: 39,482,319 km (0.094 R)
• M23: 41,989,729 km (0.082 R)
• M24: 47,011,580 km (0.089 R)
• M25: 49,190,622 km (0.03 R)
• M26: 49,825,366 km (0.103 R)
• M27: 52,915,160 km (0.046 R)
• M28: 54,422,359 km (0.074 R)
• M29: 58,226,483 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.4

Radius: 3.4

Gravity: 57.73 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 16.51 AU - 22.61 AU

Year: 31133 Days

Day: 21.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,304,442 km

• M1: 42,336 km (0.109 R)
• M2: 522,545 km (0.116 R)
• M3: 1,662,930 km (0.104 R)
• M4: 2,436,351 km (0.116 R)
• M5: 3,177,608 km (0.091 R)
• M6: 7,707,432 km (0.116 R)
• M7: 10,159,341 km (0.091 R)
• M8: 10,489,952 km (0.115 R)
• M9: 11,596,079 km (0.09 R)
• M10: 15,205,277 km (0.085 R)
• M11: 22,580,452 km (0.109 R)
• M12: 23,370,479 km (0.101 R)
• M13: 23,484,921 km (0.063 R)
• M14: 23,714,703 km (0.108 R)
• M15: 28,241,684 km (0.095 R)
• M16: 34,779,411 km (0.032 R)
• M17: 40,915,018 km (0.092 R)
• M18: 48,473,001 km (0.036 R)
• M19: 57,949,727 km (0.096 R)
• M20: 71,197,367 km (0.097 R)
• M21: 80,196,427 km (0.062 R)
• M22: 95,069,596 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94

Radius: 5.8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 16.44 AU - 23.86 AU

Year: 32552 Days

Day: 21.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 134.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,304,442 km

• M1: 72,256 km (0.106 R)
• M2: 352,901 km (0.12 R)
• M3: 665,561 km (0.109 R)
• M4: 2,299,170 km (0.032 R)
• M5: 3,215,457 km (0.066 R)
• M6: 3,414,422 km (0.107 R)
• M7: 4,090,155 km (0.12 R)
• M8: 4,474,921 km (0.117 R)
• M9: 4,660,422 km (0.112 R)
• M10: 5,350,817 km (0.107 R)
• M11: 8,376,733 km (0.073 R)
• M12: 8,659,323 km (0.043 R)
• M13: 11,041,220 km (0.076 R)
• M14: 23,878,812 km (0.097 R)
• M15: 24,638,470 km (0.082 R)
• M16: 28,893,333 km (0.073 R)
• M17: 31,193,699 km (0.073 R)
• M18: 33,260,095 km (0.047 R)
• M19: 33,731,477 km (0.115 R)
• M20: 35,538,620 km (0.113 R)
• M21: 49,263,028 km (0.085 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 19,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit