🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.9

Radius: 14

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.57 AU - 0.69 AU

Year: 339 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 82,344,968 km

• M1: 174,132 km (0.088 R)
• M2: 1,058,854 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 8.1

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.31 AU - 1.41 AU

Year: 1076 Days

Day: 9.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,344,968 km

• M1: 105,766 km (0.082 R)
• M2: 451,486 km (0.112 R)
• M3: 763,099 km (0.092 R)
• M4: 1,421,778 km (0.085 R)
• M5: 2,046,200 km (0.103 R)
• M6: 2,335,971 km (0.068 R)
• M7: 2,702,635 km (0.112 R)
• M8: 3,389,439 km (0.081 R)
• M9: 3,860,672 km (0.097 R)
• M10: 4,306,175 km (0.113 R)
• M11: 4,878,087 km (0.094 R)
• M12: 5,459,275 km (0.114 R)
• M13: 5,808,736 km (0.112 R)
• M14: 6,529,648 km (0.045 R)
• M15: 7,682,898 km (0.075 R)
• M16: 8,715,422 km (0.103 R)
• M17: 10,018,569 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 10.9

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.71 AU - 2.21 AU

Year: 1861 Days

Day: 10.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,344,968 km

• M1: 135,536 km (0.086 R)
• M2: 539,899 km (0.062 R)
• M3: 1,213,089 km (0.1 R)
• M4: 2,034,082 km (0.068 R)
• M5: 2,440,540 km (0.108 R)
• M6: 3,129,587 km (0.084 R)
• M7: 3,675,171 km (0.085 R)
• M8: 4,420,767 km (0.108 R)
• M9: 4,957,524 km (0.096 R)
• M10: 6,062,903 km (0.095 R)
• M11: 6,832,883 km (0.086 R)
• M12: 7,269,559 km (0.083 R)
• M13: 7,782,979 km (0.087 R)
• M14: 8,229,229 km (0.09 R)
• M15: 9,469,994 km (0.089 R)
• M16: 10,577,916 km (0.098 R)
• M17: 12,439,063 km (0.07 R)
• M18: 13,426,110 km (0.067 R)
• M19: 13,938,931 km (0.088 R)
• M20: 15,416,659 km (0.092 R)
• M21: 15,790,055 km (0.06 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.4

Radius: 5.9

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.99 AU - 9.41 AU

Year: 14492 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,344,968 km

• M1: 73,453 km (0.06 R)
• M2: 339,438 km (0.084 R)
• M3: 652,546 km (0.11 R)
• M4: 924,515 km (0.077 R)
• M5: 3,098,770 km (0.102 R)
• M6: 3,369,243 km (0.098 R)
• M7: 3,763,284 km (0.1 R)
• M8: 4,426,601 km (0.096 R)
• M9: 4,706,349 km (0.049 R)
• M10: 6,095,066 km (0.114 R)
• M11: 6,599,959 km (0.094 R)
• M12: 7,174,265 km (0.054 R)
• M13: 7,915,822 km (0.027 R)
• M14: 8,281,888 km (0.116 R)
• M15: 8,949,693 km (0.056 R)
• M16: 10,338,110 km (0.076 R)
• M17: 12,162,307 km (0.117 R)
• M18: 13,213,830 km (0.085 R)
• M19: 13,729,195 km (0.074 R)
• M20: 15,075,875 km (0.083 R)
• M21: 17,795,265 km (0.077 R)
• M22: 28,409,084 km (0.1 R)
• M23: 29,158,420 km (0.089 R)
• M24: 31,827,994 km (0.045 R)
• M25: 32,288,157 km (0.083 R)
• M26: 33,933,883 km (0.107 R)
• M27: 40,000,227 km (0.108 R)
• M28: 42,172,687 km (0.107 R)
• M29: 46,603,327 km (0.089 R)
• M30: 51,019,755 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875

Radius: 7.9

Gravity: 14.02 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.27 AU - 10.77 AU

Year: 19923 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,344,968 km

• M1: 98,286 km (0.114 R)
• M2: 387,010 km (0.092 R)
• M3: 806,781 km (0.042 R)
• M4: 1,628,822 km (0.087 R)
• M5: 1,982,172 km (0.117 R)
• M6: 2,793,291 km (0.067 R)
• M7: 4,230,628 km (0.036 R)
• M8: 5,602,440 km (0.091 R)
• M9: 6,062,155 km (0.112 R)
• M10: 6,323,203 km (0.1 R)
• M11: 6,821,663 km (0.04 R)
• M12: 7,543,173 km (0.088 R)
• M13: 11,202,038 km (0.078 R)
• M14: 14,619,602 km (0.101 R)
• M15: 15,169,972 km (0.078 R)
• M16: 15,571,493 km (0.09 R)
• M17: 19,416,756 km (0.08 R)
• M18: 21,963,361 km (0.084 R)
• M19: 23,959,445 km (0.099 R)
• M20: 26,882,737 km (0.093 R)
• M21: 29,784,786 km (0.098 R)
• M22: 30,287,884 km (0.098 R)
• M23: 35,354,166 km (0.086 R)
• M24: 41,112,786 km (0.094 R)
• M25: 42,366,715 km (0.064 R)
• M26: 53,885,303 km (0.105 R)
• M27: 55,386,218 km (0.115 R)
• M28: 55,765,748 km (0.036 R)
• M29: 57,301,370 km (0.082 R)
• M30: 58,667,947 km (0.066 R)
• M31: 59,260,205 km (0.076 R)
• M32: 66,681,755 km (0.061 R)
• M33: 70,392,081 km (0.065 R)
• M34: 75,861,230 km (0.159 R)
• M35: 80,144,217 km (0.114 R)
• M36: 80,629,812 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 15,958 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit