🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969

Radius: 10.2

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.59 AU - 0.73 AU

Year: 358 Days

Day: 5 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,729,374 km

• M1: 127,009 km (0.096 R)
• M2: 452,833 km (0.109 R)
• M3: 1,067,082 km (0.118 R)
• M4: 1,430,006 km (0.088 R)
• M5: 1,776,774 km (0.104 R)
• M6: 2,154,359 km (0.079 R)
• M7: 2,527,456 km (0.025 R)
• M8: 2,901,002 km (0.1 R)
• M9: 3,219,645 km (0.091 R)
• M10: 3,748,025 km (0.077 R)
• M11: 4,181,560 km (0.104 R)
• M12: 4,590,111 km (0.115 R)
• M13: 5,118,491 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.7

Radius: 14.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.73 AU - 0.81 AU

Year: 451 Days

Day: 5.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,729,374 km

• M1: 175,329 km (0.085 R)
• M2: 713,881 km (0.025 R)
• M3: 1,161,777 km (0.035 R)
• M4: 2,116,660 km (0.097 R)
• M5: 2,793,591 km (0.117 R)
• M6: 3,254,801 km (0.084 R)
• M7: 3,711,224 km (0.042 R)
• M8: 4,222,699 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 12.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.77 AU - 1.21 AU

Year: 657 Days

Day: 6 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,729,374 km

• M1: 156,479 km (0.077 R)
• M2: 718,818 km (0.099 R)
• M3: 1,452,446 km (0.118 R)
• M4: 2,291,989 km (0.09 R)
• M5: 4,580,687 km (0.072 R)
• M6: 5,529,736 km (0.058 R)
• M7: 5,951,602 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.2

Radius: 12.2

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.87 AU - 2.05 AU

Year: 1830 Days

Day: 10.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 171.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,729,374 km

• M1: 151,842 km (0.062 R)
• M2: 552,315 km (0.12 R)
• M3: 1,062,893 km (0.119 R)
• M4: 1,513,182 km (0.119 R)
• M5: 2,033,334 km (0.095 R)
• M6: 3,894,930 km (0.091 R)
• M7: 4,715,325 km (0.083 R)
• M8: 6,258,726 km (0.061 R)
• M9: 7,271,653 km (0.097 R)
• M10: 9,286,587 km (0.095 R)
• M11: 9,860,893 km (0.086 R)
• M12: 10,858,412 km (0.039 R)
• M13: 13,389,907 km (0.083 R)
• M14: 14,123,685 km (0.087 R)
• M15: 14,702,628 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.2

Radius: 14.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.04 AU - 2.2 AU

Year: 2058 Days

Day: 13.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,729,374 km

• M1: 255,812 km (0.077 R)
• M2: 946,207 km (0.117 R)
• M3: 1,767,499 km (0.117 R)
• M4: 3,307,609 km (0.117 R)
• M5: 4,290,617 km (0.069 R)
• M6: 5,016,914 km (0.108 R)
• M7: 6,446,920 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 9.2

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.97 AU - 2.55 AU

Year: 2266 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,729,374 km

• M1: 120,127 km (0.115 R)
• M2: 492,775 km (0.105 R)
• M3: 840,142 km (0.05 R)
• M4: 1,235,978 km (0.114 R)
• M5: 1,591,422 km (0.096 R)
• M6: 2,207,616 km (0.118 R)
• M7: 2,893,971 km (0.086 R)
• M8: 3,209,323 km (0.088 R)
• M9: 4,009,073 km (0.072 R)
• M10: 4,641,872 km (0.12 R)
• M11: 5,146,915 km (0.073 R)
• M12: 5,612,314 km (0.113 R)
• M13: 5,946,815 km (0.085 R)
• M14: 7,148,983 km (0.088 R)
• M15: 7,918,664 km (0.096 R)
• M16: 8,472,775 km (0.113 R)
• M17: 10,676,202 km (0.106 R)
• M18: 11,352,683 km (0.092 R)
• M19: 11,680,901 km (0.12 R)
• M20: 12,399,120 km (0.088 R)
• M21: 14,252,488 km (0.114 R)
• M22: 14,634,561 km (0.088 R)
• M23: 14,974,597 km (0.078 R)
• M24: 17,287,231 km (0.106 R)
• M25: 18,726,811 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 8.9

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.51 AU - 4.67 AU

Year: 5516 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,729,374 km

• M1: 121,174 km (0.11 R)
• M2: 464,501 km (0.052 R)
• M3: 887,863 km (0.089 R)
• M4: 1,199,326 km (0.115 R)
• M5: 1,622,389 km (0.055 R)
• M6: 2,237,087 km (0.109 R)
• M7: 2,921,646 km (0.078 R)
• M8: 3,260,934 km (0.064 R)
• M9: 3,924,551 km (0.114 R)
• M10: 4,238,856 km (0.097 R)
• M11: 4,728,639 km (0.064 R)
• M12: 5,883,086 km (0.079 R)
• M13: 6,167,023 km (0.118 R)
• M14: 7,038,879 km (0.074 R)
• M15: 7,952,623 km (0.116 R)
• M16: 9,925,520 km (0.078 R)
• M17: 10,328,835 km (0.063 R)
• M18: 11,457,851 km (0.106 R)
• M19: 12,824,277 km (0.113 R)
• M20: 13,465,155 km (0.061 R)
• M21: 15,278,730 km (0.108 R)
• M22: 18,362,690 km (0.092 R)
• M23: 19,662,695 km (0.096 R)
• M24: 19,943,939 km (0.1 R)
• M25: 20,227,876 km (0.054 R)
• M26: 22,752,191 km (0.102 R)
• M27: 23,375,415 km (0.085 R)
• M28: 23,770,503 km (0.063 R)
• M29: 28,686,588 km (0.106 R)
• M30: 30,246,595 km (0.055 R)
• M31: 30,810,429 km (0.081 R)
• M32: 32,740,691 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.2

Radius: 6.6

Gravity: 22.48 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.67 AU - 9.89 AU

Year: 18852 Days

Day: 22.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,729,374 km

• M1: 84,523 km (0.062 R)
• M2: 338,241 km (0.041 R)
• M3: 586,573 km (0.116 R)
• M4: 1,263,204 km (0.111 R)
• M5: 1,479,373 km (0.109 R)
• M6: 1,738,626 km (0.114 R)
• M7: 2,238,583 km (0.09 R)
• M8: 2,463,877 km (0.081 R)
• M9: 2,754,246 km (0.095 R)
• M10: 3,551,304 km (0.114 R)
• M11: 4,965,153 km (0.09 R)
• M12: 5,271,829 km (0.083 R)
• M13: 6,224,468 km (0.096 R)
• M14: 8,305,375 km (0.107 R)
• M15: 9,242,755 km (0.1 R)
• M16: 9,945,715 km (0.106 R)
• M17: 12,476,612 km (0.113 R)
• M18: 13,927,711 km (0.089 R)
• M19: 14,538,519 km (0.09 R)
• M20: 15,326,751 km (0.092 R)
• M21: 20,862,171 km (0.071 R)
• M22: 25,062,730 km (0.105 R)
• M23: 28,196,356 km (0.063 R)
• M24: 28,438,406 km (0.09 R)
• M25: 29,919,724 km (0.11 R)
• M26: 30,297,907 km (0.093 R)
• M27: 36,503,825 km (0.096 R)
• M28: 45,969,630 km (0.09 R)
• M29: 46,641,923 km (0.066 R)
• M30: 48,698,296 km (0.077 R)
• M31: 49,221,739 km (0.108 R)
• M32: 53,544,519 km (0.093 R)
• M33: 59,097,292 km (0.113 R)
• M34: 62,730,127 km (0.075 R)
• M35: 67,585,027 km (0.081 R)
• M36: 70,659,562 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.2

Radius: 4.9

Gravity: 21.04 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 7.3 AU - 11.44 AU

Year: 19127 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,729,374 km

• M1: 60,886 km (0.105 R)
• M2: 239,955 km (0.105 R)
• M3: 761,154 km (0.111 R)
• M4: 2,328,491 km (0.061 R)
• M5: 2,968,620 km (0.051 R)
• M6: 3,492,961 km (0.058 R)
• M7: 4,327,717 km (0.096 R)
• M8: 4,689,444 km (0.093 R)
• M9: 5,035,614 km (0.114 R)
• M10: 5,817,861 km (0.092 R)
• M11: 7,342,114 km (0.051 R)
• M12: 8,196,019 km (0.076 R)
• M13: 8,904,514 km (0.092 R)
• M14: 9,114,250 km (0.097 R)
• M15: 10,442,530 km (0.089 R)
• M16: 12,213,469 km (0.081 R)
• M17: 13,753,280 km (0.09 R)
• M18: 14,175,296 km (0.092 R)
• M19: 16,259,344 km (0.106 R)
• M20: 18,881,495 km (0.106 R)
• M21: 24,635,029 km (0.09 R)
• M22: 25,889,707 km (0.093 R)
• M23: 27,627,884 km (0.106 R)
• M24: 31,942,586 km (0.068 R)
• M25: 32,310,896 km (0.089 R)
• M26: 36,551,397 km (0.111 R)
• M27: 37,906,156 km (0.07 R)
• M28: 42,318,096 km (0.045 R)
• M29: 45,184,541 km (0.066 R)
• M30: 45,804,026 km (0.116 R)
• M31: 46,429,195 km (0.085 R)
• M32: 53,686,188 km (0.073 R)
• M33: 55,081,936 km (0.102 R)
• M34: 55,258,162 km (0.113 R)
• M35: 59,785,293 km (0.111 R)
• M36: 63,580,292 km (0.083 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: 187 - 18,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit