🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.26 AU - 1.96 AU

Year: 778 Days

Day: 14.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.55 AU - 2.59 AU

Year: 1134 Days

Day: 39 Hours

Environment

Temp: -82 °C

Axial Tilt: 180 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,355,552 km

• M1: 123,119 km (0.116 R)
• M2: 916,137 km (0.039 R)

Asteroid Belt

Center: 6.99 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 11.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968

Radius: 3.6

Gravity: 74.69 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 9.75 AU - 14.07 AU

Year: 15652 Days

Day: 21.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,355,552 km

• M1: 44,730 km (0.116 R)
• M2: 169,943 km (0.11 R)
• M3: 304,282 km (0.077 R)
• M4: 488,886 km (0.068 R)
• M5: 696,827 km (0.113 R)
• M6: 1,635,554 km (0.099 R)
• M7: 2,375,165 km (0.106 R)
• M8: 2,601,956 km (0.076 R)
• M9: 2,769,206 km (0.102 R)
• M10: 3,178,506 km (0.11 R)
• M11: 3,989,775 km (0.04 R)
• M12: 4,930,447 km (0.069 R)
• M13: 5,149,608 km (0.064 R)
• M14: 6,009,646 km (0.116 R)
• M15: 6,648,279 km (0.118 R)
• M16: 7,425,290 km (0.12 R)
• M17: 8,780,797 km (0.119 R)
• M18: 9,377,543 km (0.086 R)
• M19: 9,657,440 km (0.087 R)
• M20: 11,646,793 km (0.08 R)
• M21: 12,101,421 km (0.116 R)
• M22: 16,332,048 km (0.025 R)
• M23: 24,267,019 km (0.092 R)
• M24: 25,007,378 km (0.099 R)
• M25: 27,318,666 km (0.028 R)
• M26: 33,646,356 km (0.057 R)
• M27: 33,776,656 km (0.051 R)
• M28: 35,367,929 km (0.034 R)
• M29: 38,556,308 km (0.103 R)
• M30: 40,883,901 km (0.083 R)
• M31: 48,758,135 km (0.117 R)
• M32: 51,303,692 km (0.05 R)
• M33: 53,936,315 km (0.056 R)
• M34: 67,210,883 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.1

Radius: 3.1

Gravity: 98.87 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 12.17 AU - 17.69 AU

Year: 21968 Days

Day: 15.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,355,552 km

• M1: 42,785 km (0.066 R)
• M2: 265,686 km (0.096 R)
• M3: 619,634 km (0.082 R)
• M4: 1,553,424 km (0.114 R)
• M5: 2,728,516 km (0.114 R)
• M6: 3,109,691 km (0.108 R)
• M7: 3,433,271 km (0.087 R)
• M8: 3,556,241 km (0.118 R)
• M9: 4,686,901 km (0.093 R)
• M10: 5,860,945 km (0.114 R)
• M11: 6,776,185 km (0.117 R)
• M12: 9,900,237 km (0.04 R)
• M13: 10,792,290 km (0.031 R)
• M14: 11,056,779 km (0.079 R)
• M15: 11,190,519 km (0.045 R)
• M16: 13,943,120 km (0.094 R)
• M17: 14,735,989 km (0.063 R)
• M18: 15,474,853 km (0.107 R)
• M19: 17,026,033 km (0.056 R)
• M20: 17,565,333 km (0.118 R)
• M21: 20,939,663 km (0.114 R)
• M22: 26,953,497 km (0.116 R)
• M23: 28,180,499 km (0.112 R)
• M24: 35,164,924 km (0.069 R)
• M25: 36,332,536 km (0.089 R)
• M26: 36,925,841 km (0.109 R)
• M27: 38,284,489 km (0.115 R)
• M28: 43,884,835 km (0.113 R)
• M29: 47,142,029 km (0.057 R)
• M30: 50,189,637 km (0.11 R)
• M31: 52,230,152 km (0.065 R)
• M32: 53,175,610 km (0.07 R)
• M33: 55,491,086 km (0.088 R)
• M34: 58,885,312 km (0.082 R)
• M35: 64,772,736 km (0.057 R)
• M36: 69,664,736 km (0.1 R)
• M37: 71,271,567 km (0.101 R)
• M38: 71,967,646 km (0.093 R)
• M39: 75,036,347 km (0.12 R)
• M40: 77,211,201 km (0.05 R)
• M41: 80,426,358 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.9

Radius: 3.3

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 13.67 AU - 20.25 AU

Year: 26597 Days

Day: 21.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,355,552 km

• M1: 44,131 km (0.12 R)
• M2: 205,099 km (0.085 R)
• M3: 415,882 km (0.116 R)
• M4: 564,283 km (0.107 R)
• M5: 738,415 km (0.096 R)
• M6: 904,768 km (0.115 R)
• M7: 1,272,479 km (0.038 R)
• M8: 4,661,769 km (0.083 R)
• M9: 5,439,827 km (0.055 R)
• M10: 7,248,466 km (0.074 R)
• M11: 8,670,842 km (0.068 R)
• M12: 9,268,037 km (0.083 R)
• M13: 10,433,404 km (0.101 R)
• M14: 12,545,128 km (0.084 R)
• M15: 12,733,023 km (0.103 R)
• M16: 12,922,862 km (0.089 R)
• M17: 14,440,682 km (0.116 R)
• M18: 14,578,013 km (0.109 R)
• M19: 23,931,620 km (0.077 R)
• M20: 26,105,128 km (0.097 R)
• M21: 26,823,497 km (0.118 R)
• M22: 29,606,765 km (0.114 R)
• M23: 33,890,350 km (0.104 R)
• M24: 37,523,185 km (0.106 R)
• M25: 39,903,586 km (0.038 R)
• M26: 42,382,872 km (0.099 R)
• M27: 46,440,415 km (0.04 R)
• M28: 50,117,979 km (0.087 R)
• M29: 50,749,282 km (0.066 R)
• M30: 51,545,742 km (0.096 R)
• M31: 53,655,371 km (0.029 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: 222 - 13,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit