🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.53 AU - 0.55 AU

Year: 153 Days

Day: 39.4 Hours

Environment

Temp: 199 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.89 AU - 1.15 AU

Year: 397 Days

Day: 43.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.13 AU - 1.23 AU

Year: 494 Days

Day: 34.2 Hours

Environment

Temp: -22 °C

Axial Tilt: 126.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.47 AU - 2.03 AU

Year: 891 Days

Day: 37.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,991,983 km

• M1: 48,919 km (0.1 R)

Asteroid Belt

Center: 3.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.4

Radius: 9.5

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.06 AU - 6.14 AU

Year: 5102 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 101,991,983 km

• M1: 118,332 km (0.065 R)
• M2: 437,424 km (0.106 R)
• M3: 1,047,933 km (0.103 R)
• M4: 1,862,942 km (0.046 R)
• M5: 2,219,434 km (0.091 R)
• M6: 2,725,075 km (0.114 R)
• M7: 3,109,990 km (0.064 R)
• M8: 4,269,673 km (0.117 R)
• M9: 5,580,599 km (0.108 R)
• M10: 6,775,886 km (0.094 R)
• M11: 7,108,143 km (0.051 R)
• M12: 7,521,332 km (0.081 R)
• M13: 9,832,320 km (0.087 R)
• M14: 10,258,824 km (0.112 R)
• M15: 11,993,860 km (0.086 R)
• M16: 13,969,300 km (0.094 R)
• M17: 15,977,053 km (0.086 R)
• M18: 16,747,182 km (0.095 R)
• M19: 19,671,821 km (0.118 R)
• M20: 25,540,396 km (0.11 R)
• M21: 26,184,714 km (0.097 R)
• M22: 28,611,191 km (0.113 R)
• M23: 29,218,708 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 8.1

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 5.69 AU - 9.45 AU

Year: 8019 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 101,991,983 km

• M1: 100,679 km (0.106 R)
• M2: 534,962 km (0.099 R)
• M3: 1,644,679 km (0.069 R)
• M4: 2,001,919 km (0.109 R)
• M5: 2,375,614 km (0.115 R)
• M6: 2,662,693 km (0.095 R)
• M7: 3,095,479 km (0.101 R)
• M8: 3,372,684 km (0.041 R)
• M9: 4,002,042 km (0.098 R)
• M10: 4,903,369 km (0.071 R)
• M11: 5,281,553 km (0.037 R)
• M12: 6,363,445 km (0.031 R)
• M13: 6,813,884 km (0.116 R)
• M14: 9,217,323 km (0.093 R)
• M15: 10,022,609 km (0.044 R)
• M16: 10,632,818 km (0.1 R)
• M17: 11,875,528 km (0.095 R)
• M18: 13,547,583 km (0.087 R)
• M19: 14,587,438 km (0.067 R)
• M20: 15,741,885 km (0.093 R)
• M21: 16,825,273 km (0.082 R)
• M22: 18,162,677 km (0.107 R)
• M23: 18,716,938 km (0.109 R)
• M24: 19,569,496 km (0.119 R)
• M25: 23,564,806 km (0.102 R)
• M26: 26,540,607 km (0.109 R)
• M27: 29,757,859 km (0.043 R)
• M28: 30,625,377 km (0.111 R)
• M29: 33,535,355 km (0.096 R)
• M30: 33,846,668 km (0.039 R)
• M31: 34,897,742 km (0.09 R)
• M32: 35,431,508 km (0.118 R)
• M33: 36,296,632 km (0.087 R)

Asteroid Belt

Center: 11.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595

Radius: 7.4

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 13.05 AU - 17.95 AU

Year: 23495 Days

Day: 19.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 101,991,983 km

• M1: 92,152 km (0.085 R)
• M2: 441,613 km (0.114 R)
• M3: 797,805 km (0.097 R)
• M4: 1,368,671 km (0.107 R)
• M5: 3,436,113 km (0.09 R)
• M6: 3,796,345 km (0.105 R)
• M7: 4,771,424 km (0.042 R)
• M8: 7,848,353 km (0.12 R)
• M9: 8,157,123 km (0.104 R)
• M10: 9,765,899 km (0.087 R)
• M11: 13,524,246 km (0.092 R)
• M12: 19,240,381 km (0.084 R)
• M13: 21,355,395 km (0.095 R)
• M14: 22,161,578 km (0.028 R)
• M15: 27,902,696 km (0.064 R)
• M16: 50,553,160 km (0.081 R)
• M17: 55,863,884 km (0.085 R)
• M18: 67,148,650 km (0.084 R)
• M19: 71,520,648 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.3

Radius: 4.3

Gravity: 40.47 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 13.95 AU - 22.29 AU

Year: 29697 Days

Day: 23.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 101,991,983 km

• M1: 53,406 km (0.077 R)
• M2: 304,282 km (0.058 R)
• M3: 528,230 km (0.059 R)
• M4: 1,038,508 km (0.036 R)
• M5: 1,277,715 km (0.066 R)
• M6: 1,993,840 km (0.116 R)
• M7: 2,463,279 km (0.108 R)
• M8: 3,003,028 km (0.047 R)
• M9: 3,300,727 km (0.109 R)
• M10: 3,617,875 km (0.059 R)
• M11: 3,954,919 km (0.092 R)
• M12: 4,349,558 km (0.111 R)
• M13: 4,652,793 km (0.114 R)
• M14: 5,603,039 km (0.098 R)
• M15: 6,288,346 km (0.109 R)
• M16: 10,369,077 km (0.078 R)
• M17: 12,417,371 km (0.118 R)
• M18: 13,655,443 km (0.087 R)
• M19: 18,635,257 km (0.086 R)
• M20: 19,231,405 km (0.074 R)
• M21: 26,154,645 km (0.091 R)
• M22: 26,901,437 km (0.067 R)
• M23: 31,543,908 km (0.094 R)
• M24: 36,384,446 km (0.071 R)
• M25: 42,887,017 km (0.109 R)
• M26: 43,576,962 km (0.101 R)
• M27: 45,333,989 km (0.073 R)
• M28: 50,122,467 km (0.095 R)
• M29: 57,293,591 km (0.106 R)
• M30: 58,762,941 km (0.11 R)
• M31: 59,187,350 km (0.1 R)
• M32: 62,656,525 km (0.099 R)
• M33: 66,029,508 km (0.063 R)
• M34: 66,949,086 km (0.098 R)
• M35: 67,412,092 km (0.108 R)
• M36: 71,916,932 km (0.114 R)
• M37: 76,618,345 km (0.103 R)
• M38: 84,452,037 km (0.067 R)
• M39: 91,943,749 km (0.104 R)
• M40: 99,565,012 km (0.078 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 12,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit