🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.39 AU - 1.41 AU

Year: 631 Days

Day: 46.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,353,152 km

• M1: 178,769 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.89 AU - 2.07 AU

Year: 1061 Days

Day: 39.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,353,152 km

• M1: 120,426 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.18 AU - 2.78 AU

Year: 1487 Days

Day: 22.8 Hours

Environment

Temp: -101 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 11.6

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.39 AU - 5.87 AU

Year: 4425 Days

Day: 12.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,353,152 km

• M1: 144,212 km (0.063 R)
• M2: 650,003 km (0.066 R)
• M3: 1,367,773 km (0.091 R)
• M4: 2,036,925 km (0.108 R)
• M5: 2,699,793 km (0.109 R)
• M6: 3,378,219 km (0.105 R)
• M7: 5,128,813 km (0.059 R)
• M8: 7,418,858 km (0.098 R)
• M9: 7,845,960 km (0.099 R)
• M10: 8,986,194 km (0.071 R)
• M11: 9,389,810 km (0.034 R)
• M12: 11,081,462 km (0.062 R)
• M13: 11,452,315 km (0.102 R)
• M14: 13,484,154 km (0.09 R)
• M15: 15,920,953 km (0.08 R)
• M16: 16,997,609 km (0.062 R)
• M17: 18,768,100 km (0.11 R)
• M18: 20,037,438 km (0.104 R)
• M19: 24,188,929 km (0.062 R)
• M20: 27,761,774 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727

Radius: 11.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.91 AU - 9.81 AU

Year: 9205 Days

Day: 5.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 92,353,152 km

• M1: 145,559 km (0.094 R)
• M2: 525,687 km (0.057 R)
• M3: 1,179,729 km (0.085 R)
• M4: 1,787,844 km (0.055 R)
• M5: 3,141,705 km (0.117 R)
• M6: 3,710,925 km (0.043 R)
• M7: 4,237,060 km (0.073 R)
• M8: 4,782,494 km (0.096 R)
• M9: 6,191,557 km (0.076 R)
• M10: 7,011,652 km (0.064 R)
• M11: 8,288,320 km (0.098 R)
• M12: 9,714,138 km (0.119 R)
• M13: 11,297,332 km (0.113 R)
• M14: 11,954,216 km (0.09 R)
• M15: 13,224,601 km (0.105 R)
• M16: 13,954,489 km (0.078 R)
• M17: 14,646,978 km (0.096 R)
• M18: 17,575,506 km (0.097 R)
• M19: 18,308,835 km (0.113 R)
• M20: 24,384,004 km (0.059 R)
• M21: 25,574,205 km (0.045 R)
• M22: 26,420,779 km (0.097 R)
• M23: 29,072,551 km (0.115 R)
• M24: 33,878,831 km (0.056 R)
• M25: 40,314,831 km (0.092 R)
• M26: 43,155,246 km (0.098 R)
• M27: 43,819,012 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.5

Radius: 6.9

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 12.85 AU - 20.83 AU

Year: 26315 Days

Day: 23 Hours

Environment

Temp: -209 °C

Axial Tilt: 72.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,353,152 km

• M1: 85,869 km (0.063 R)
• M2: 350,059 km (0.109 R)
• M3: 651,200 km (0.11 R)
• M4: 940,372 km (0.098 R)
• M5: 1,252,882 km (0.026 R)
• M6: 2,267,006 km (0.039 R)
• M7: 2,834,580 km (0.03 R)
• M8: 3,617,127 km (0.06 R)
• M9: 4,990,435 km (0.094 R)
• M10: 5,433,694 km (0.064 R)
• M11: 6,215,193 km (0.118 R)
• M12: 8,549,818 km (0.068 R)
• M13: 8,777,057 km (0.101 R)
• M14: 9,726,554 km (0.107 R)
• M15: 11,074,431 km (0.042 R)
• M16: 16,116,478 km (0.112 R)
• M17: 17,353,503 km (0.111 R)
• M18: 17,718,372 km (0.089 R)
• M19: 19,521,475 km (0.068 R)
• M20: 21,028,673 km (0.09 R)
• M21: 21,652,796 km (0.071 R)
• M22: 23,266,957 km (0.072 R)
• M23: 25,777,209 km (0.054 R)
• M24: 27,465,271 km (0.053 R)
• M25: 28,462,341 km (0.09 R)
• M26: 29,225,739 km (0.082 R)
• M27: 29,483,347 km (0.119 R)
• M28: 32,142,150 km (0.088 R)
• M29: 37,626,557 km (0.111 R)
• M30: 42,208,890 km (0.115 R)
• M31: 46,973,283 km (0.102 R)
• M32: 51,332,265 km (0.076 R)
• M33: 57,351,635 km (0.11 R)
• M34: 58,364,562 km (0.055 R)
• M35: 68,476,032 km (0.098 R)
• M36: 70,075,233 km (0.091 R)
• M37: 71,232,672 km (0.07 R)
• M38: 75,263,437 km (0.119 R)
• M39: 83,000,190 km (0.09 R)
• M40: 86,396,510 km (0.032 R)
• M41: 87,459,852 km (0.042 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 12,376 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit