🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 13.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.63 AU - 0.75 AU

Year: 370 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,048,461 km

• M1: 166,951 km (0.079 R)
• M2: 758,910 km (0.057 R)
• M3: 1,426,266 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.8

Radius: 9.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.37 AU - 1.51 AU

Year: 1116 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,048,461 km

• M1: 121,324 km (0.086 R)
• M2: 440,865 km (0.053 R)
• M3: 845,677 km (0.076 R)
• M4: 1,238,072 km (0.102 R)
• M5: 1,645,876 km (0.101 R)
• M6: 2,526,259 km (0.091 R)
• M7: 3,377,471 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 13.3

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.77 AU - 3.15 AU

Year: 3288 Days

Day: 10.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,048,461 km

• M1: 165,754 km (0.078 R)
• M2: 604,525 km (0.103 R)
• M3: 1,760,917 km (0.1 R)
• M4: 2,949,322 km (0.107 R)
• M5: 3,899,418 km (0.096 R)
• M6: 4,732,828 km (0.08 R)
• M7: 6,459,786 km (0.119 R)
• M8: 8,751,924 km (0.062 R)
• M9: 9,598,947 km (0.097 R)
• M10: 13,543,095 km (0.062 R)
• M11: 14,325,043 km (0.069 R)
• M12: 15,659,756 km (0.075 R)
• M13: 18,046,739 km (0.029 R)
• M14: 18,813,877 km (0.091 R)
• M15: 19,235,743 km (0.097 R)
• M16: 20,476,508 km (0.067 R)
• M17: 22,911,363 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.5

Radius: 11

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.19 AU - 3.89 AU

Year: 4301 Days

Day: 11.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,048,461 km

• M1: 140,173 km (0.084 R)
• M2: 1,342,491 km (0.078 R)
• M3: 3,342,465 km (0.117 R)
• M4: 4,492,723 km (0.109 R)
• M5: 5,191,196 km (0.119 R)
• M6: 8,485,191 km (0.076 R)
• M7: 9,683,620 km (0.082 R)
• M8: 10,531,540 km (0.083 R)
• M9: 12,609,904 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.8

Radius: 12.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.75 AU - 4.69 AU

Year: 5597 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,048,461 km

• M1: 155,432 km (0.102 R)
• M2: 646,712 km (0.11 R)
• M3: 1,197,980 km (0.117 R)
• M4: 1,692,999 km (0.09 R)
• M5: 2,164,382 km (0.118 R)
• M6: 2,835,029 km (0.078 R)
• M7: 3,685,493 km (0.047 R)
• M8: 4,566,475 km (0.064 R)
• M9: 5,315,512 km (0.074 R)
• M10: 5,797,067 km (0.071 R)
• M11: 6,275,032 km (0.11 R)
• M12: 7,383,104 km (0.106 R)
• M13: 9,030,027 km (0.113 R)
• M14: 10,302,357 km (0.093 R)
• M15: 12,197,313 km (0.072 R)
• M16: 15,012,894 km (0.1 R)
• M17: 15,611,884 km (0.091 R)
• M18: 17,570,719 km (0.081 R)
• M19: 19,617,666 km (0.108 R)
• M20: 22,201,222 km (0.072 R)
• M21: 29,220,054 km (0.038 R)
• M22: 32,577,928 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.1

Radius: 3

Gravity: 45.23 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.04 AU - 8.88 AU

Year: 15888 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,048,461 km

• M1: 37,399 km (0.114 R)
• M2: 222,302 km (0.062 R)
• M3: 407,505 km (0.059 R)
• M4: 968,048 km (0.1 R)
• M5: 1,374,655 km (0.073 R)
• M6: 1,547,590 km (0.076 R)
• M7: 1,868,029 km (0.116 R)
• M8: 2,043,956 km (0.05 R)
• M9: 2,681,841 km (0.079 R)
• M10: 2,905,939 km (0.095 R)
• M11: 3,022,475 km (0.116 R)
• M12: 6,488,508 km (0.119 R)
• M13: 7,311,147 km (0.111 R)
• M14: 11,763,629 km (0.077 R)
• M15: 12,180,259 km (0.115 R)
• M16: 12,483,793 km (0.082 R)
• M17: 15,165,933 km (0.043 R)
• M18: 15,517,189 km (0.108 R)
• M19: 18,129,467 km (0.093 R)
• M20: 21,281,344 km (0.059 R)
• M21: 28,429,729 km (0.044 R)
• M22: 35,281,461 km (0.114 R)
• M23: 44,001,820 km (0.062 R)
• M24: 45,003,228 km (0.092 R)
• M25: 48,703,232 km (0.066 R)
• M26: 49,466,930 km (0.119 R)
• M27: 52,921,593 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.2

Radius: 7.6

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.15 AU - 11.95 AU

Year: 22126 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,048,461 km

• M1: 96,640 km (0.073 R)
• M2: 406,158 km (0.063 R)
• M3: 705,354 km (0.07 R)
• M4: 1,016,518 km (0.104 R)
• M5: 1,998,628 km (0.116 R)
• M6: 2,322,208 km (0.101 R)
• M7: 3,622,213 km (0.116 R)
• M8: 3,949,982 km (0.099 R)
• M9: 4,232,722 km (0.106 R)
• M10: 5,657,193 km (0.085 R)
• M11: 8,927,851 km (0.054 R)
• M12: 10,153,507 km (0.101 R)
• M13: 13,916,940 km (0.119 R)
• M14: 14,573,825 km (0.106 R)
• M15: 15,251,204 km (0.106 R)
• M16: 16,587,861 km (0.102 R)
• M17: 17,661,375 km (0.092 R)
• M18: 19,582,511 km (0.1 R)
• M19: 20,037,887 km (0.119 R)
• M20: 21,930,001 km (0.118 R)
• M21: 24,880,669 km (0.11 R)
• M22: 25,522,594 km (0.111 R)
• M23: 25,956,577 km (0.098 R)
• M24: 27,970,912 km (0.096 R)
• M25: 32,181,943 km (0.118 R)
• M26: 32,943,845 km (0.088 R)
• M27: 35,570,634 km (0.111 R)
• M28: 37,211,872 km (0.059 R)
• M29: 38,475,525 km (0.082 R)
• M30: 39,477,980 km (0.116 R)
• M31: 44,283,214 km (0.052 R)
• M32: 44,595,873 km (0.043 R)
• M33: 48,795,534 km (0.09 R)
• M34: 53,427,982 km (0.105 R)
• M35: 61,786,015 km (0.066 R)
• M36: 63,754,723 km (0.113 R)
• M37: 67,817,053 km (0.039 R)
• M38: 70,547,962 km (0.073 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: 303 - 12,651 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit