🌌 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: 742.3

Radius: 13.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.6 AU - 0.66 AU

Year: 345 Days

Day: 5.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,910,563 km

• M1: 169,644 km (0.103 R)
• M2: 601,084 km (0.081 R)
• M3: 1,022,202 km (0.041 R)
• M4: 1,770,192 km (0.084 R)
• M5: 3,302,971 km (0.087 R)
• M6: 4,539,996 km (0.092 R)
• M7: 5,039,653 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.1

Radius: 10.1

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.01 AU - 1.09 AU

Year: 743 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,910,563 km

• M1: 125,662 km (0.071 R)
• M2: 872,904 km (0.068 R)
• M3: 1,245,402 km (0.066 R)
• M4: 2,251,149 km (0.108 R)
• M5: 2,632,773 km (0.112 R)
• M6: 2,979,990 km (0.097 R)
• M7: 3,527,667 km (0.064 R)
• M8: 4,437,821 km (0.098 R)
• M9: 5,010,631 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.9

Radius: 9.2

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.53 AU - 2.55 AU

Year: 2011 Days

Day: 5.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,910,563 km

• M1: 115,639 km (0.069 R)
• M2: 480,359 km (0.097 R)
• M3: 915,539 km (0.096 R)
• M4: 1,204,263 km (0.114 R)
• M5: 1,545,346 km (0.04 R)
• M6: 2,268,801 km (0.029 R)
• M7: 2,564,706 km (0.112 R)
• M8: 3,506,424 km (0.077 R)
• M9: 4,192,780 km (0.112 R)
• M10: 4,791,321 km (0.102 R)
• M11: 5,492,785 km (0.089 R)
• M12: 6,005,906 km (0.099 R)
• M13: 7,649,388 km (0.03 R)
• M14: 8,574,800 km (0.086 R)
• M15: 9,367,519 km (0.111 R)
• M16: 9,922,528 km (0.078 R)
• M17: 10,316,718 km (0.052 R)
• M18: 10,758,630 km (0.045 R)
• M19: 12,863,323 km (0.113 R)
• M20: 13,289,228 km (0.115 R)
• M21: 16,142,957 km (0.111 R)
• M22: 16,488,827 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.6

Radius: 8.9

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.41 AU - 3.51 AU

Year: 4442 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,910,563 km

• M1: 110,702 km (0.112 R)
• M2: 521,349 km (0.118 R)
• M3: 1,617,901 km (0.108 R)
• M4: 2,322,956 km (0.065 R)
• M5: 4,053,953 km (0.096 R)
• M6: 4,794,612 km (0.113 R)
• M7: 6,573,929 km (0.051 R)
• M8: 8,160,863 km (0.109 R)
• M9: 8,566,273 km (0.089 R)
• M10: 19,778,634 km (0.056 R)
• M11: 21,818,700 km (0.114 R)
• M12: 23,920,400 km (0.086 R)
• M13: 25,058,840 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 11

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.92 AU - 4.96 AU

Year: 7579 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,910,563 km

• M1: 153,936 km (0.068 R)
• M2: 853,456 km (0.091 R)
• M3: 1,873,414 km (0.105 R)
• M4: 2,372,921 km (0.105 R)
• M5: 2,920,599 km (0.1 R)
• M6: 4,913,392 km (0.057 R)
• M7: 8,150,391 km (0.061 R)
• M8: 8,760,302 km (0.112 R)
• M9: 9,576,358 km (0.088 R)
• M10: 28,543,872 km (0.074 R)
• M11: 31,205,368 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.7

Radius: 9.7

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.49 AU - 6.17 AU

Year: 8494 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,910,563 km

• M1: 120,725 km (0.103 R)
• M2: 465,249 km (0.079 R)
• M3: 1,068,278 km (0.119 R)
• M4: 2,007,155 km (0.045 R)
• M5: 2,396,857 km (0.043 R)
• M6: 3,468,277 km (0.087 R)
• M7: 4,601,780 km (0.081 R)
• M8: 5,378,642 km (0.072 R)
• M9: 8,236,560 km (0.116 R)
• M10: 9,107,070 km (0.083 R)
• M11: 9,704,863 km (0.087 R)
• M12: 10,085,739 km (0.12 R)
• M13: 12,752,620 km (0.08 R)
• M14: 13,267,835 km (0.057 R)
• M15: 14,523,859 km (0.07 R)
• M16: 15,404,093 km (0.058 R)
• M17: 21,209,089 km (0.107 R)
• M18: 21,770,230 km (0.092 R)
• M19: 22,755,482 km (0.093 R)
• M20: 23,855,924 km (0.093 R)
• M21: 24,638,321 km (0.049 R)
• M22: 26,162,872 km (0.09 R)
• M23: 29,497,708 km (0.118 R)
• M24: 30,907,668 km (0.084 R)
• M25: 31,629,179 km (0.069 R)
• M26: 33,105,859 km (0.108 R)
• M27: 40,445,729 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.4

Radius: 5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.11 AU - 6.39 AU

Year: 9517 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,910,563 km

• M1: 64,177 km (0.084 R)
• M2: 341,083 km (0.088 R)
• M3: 514,766 km (0.052 R)
• M4: 1,275,322 km (0.031 R)
• M5: 2,484,222 km (0.035 R)
• M6: 2,654,165 km (0.105 R)
• M7: 2,815,432 km (0.079 R)
• M8: 3,175,664 km (0.111 R)
• M9: 4,029,419 km (0.112 R)
• M10: 4,810,320 km (0.102 R)
• M11: 4,977,869 km (0.097 R)
• M12: 5,687,561 km (0.056 R)
• M13: 6,122,293 km (0.118 R)
• M14: 6,433,756 km (0.083 R)
• M15: 6,815,380 km (0.083 R)
• M16: 9,729,696 km (0.113 R)
• M17: 10,833,429 km (0.04 R)
• M18: 12,238,602 km (0.109 R)
• M19: 12,915,831 km (0.11 R)
• M20: 16,247,526 km (0.06 R)
• M21: 18,023,851 km (0.07 R)
• M22: 19,620,060 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915

Radius: 5.7

Gravity: 28.16 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.61 AU - 8.23 AU

Year: 13951 Days

Day: 22.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 140.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,910,563 km

• M1: 98,735 km (0.099 R)
• M2: 411,843 km (0.083 R)
• M3: 1,866,383 km (0.071 R)
• M4: 2,590,736 km (0.096 R)
• M5: 2,821,865 km (0.032 R)
• M6: 3,117,171 km (0.091 R)
• M7: 4,477,165 km (0.112 R)
• M8: 6,150,866 km (0.09 R)
• M9: 6,819,718 km (0.093 R)
• M10: 7,038,281 km (0.109 R)
• M11: 7,535,843 km (0.099 R)
• M12: 8,202,451 km (0.073 R)
• M13: 8,804,583 km (0.076 R)
• M14: 10,553,831 km (0.08 R)
• M15: 11,509,911 km (0.11 R)
• M16: 11,757,645 km (0.041 R)
• M17: 14,009,691 km (0.084 R)
• M18: 19,258,781 km (0.05 R)
• M19: 19,520,428 km (0.052 R)
• M20: 26,642,633 km (0.104 R)
• M21: 32,286,512 km (0.096 R)
• M22: 34,289,029 km (0.082 R)
• M23: 45,399,214 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 12,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit