🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 10.1

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.57 AU - 0.91 AU

Year: 432 Days

Day: 12.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,077,882 km

• M1: 125,662 km (0.104 R)
• M2: 529,576 km (0.1 R)
• M3: 1,518,568 km (0.03 R)
• M4: 1,844,841 km (0.101 R)
• M5: 2,262,069 km (0.097 R)
• M6: 2,603,601 km (0.078 R)
• M7: 3,076,779 km (0.088 R)
• M8: 3,804,723 km (0.1 R)
• M9: 4,155,978 km (0.081 R)
• M10: 4,528,926 km (0.099 R)
• M11: 5,137,939 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 14.8

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.65 AU - 0.91 AU

Year: 467 Days

Day: 10.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,077,882 km

• M1: 184,305 km (0.098 R)
• M2: 664,813 km (0.119 R)
• M3: 1,283,101 km (0.051 R)
• M4: 1,775,727 km (0.118 R)
• M5: 2,387,582 km (0.115 R)
• M6: 2,890,380 km (0.119 R)
• M7: 3,390,037 km (0.076 R)
• M8: 5,249,988 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 11.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.21 AU - 2.31 AU

Year: 2304 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,077,882 km

• M1: 149,747 km (0.076 R)
• M2: 610,509 km (0.113 R)
• M3: 1,102,985 km (0.074 R)
• M4: 1,491,192 km (0.105 R)
• M5: 2,420,643 km (0.041 R)
• M6: 3,156,665 km (0.117 R)
• M7: 3,904,355 km (0.118 R)
• M8: 4,290,617 km (0.051 R)
• M9: 5,051,023 km (0.058 R)
• M10: 5,582,544 km (0.11 R)
• M11: 6,202,328 km (0.119 R)
• M12: 6,785,311 km (0.119 R)
• M13: 7,462,690 km (0.113 R)
• M14: 7,939,009 km (0.115 R)
• M15: 9,185,459 km (0.099 R)
• M16: 9,594,160 km (0.038 R)
• M17: 10,669,320 km (0.075 R)
• M18: 11,044,960 km (0.105 R)
• M19: 11,429,577 km (0.086 R)
• M20: 11,942,847 km (0.107 R)
• M21: 15,400,353 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 12.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.32 AU - 4.72 AU

Year: 5467 Days

Day: 14.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,077,882 km

• M1: 176,226 km (0.099 R)
• M2: 679,174 km (0.059 R)
• M3: 1,249,441 km (0.059 R)
• M4: 1,736,981 km (0.105 R)
• M5: 2,177,397 km (0.061 R)
• M6: 2,621,852 km (0.071 R)
• M7: 3,521,384 km (0.088 R)
• M8: 4,019,695 km (0.11 R)
• M9: 5,358,895 km (0.072 R)
• M10: 5,989,600 km (0.041 R)
• M11: 7,115,772 km (0.11 R)
• M12: 7,803,923 km (0.069 R)
• M13: 8,299,989 km (0.109 R)
• M14: 9,313,515 km (0.038 R)
• M15: 10,227,109 km (0.118 R)
• M16: 11,295,238 km (0.033 R)
• M17: 12,334,195 km (0.092 R)
• M18: 13,167,754 km (0.108 R)
• M19: 13,652,900 km (0.113 R)
• M20: 16,756,457 km (0.11 R)
• M21: 17,262,697 km (0.109 R)
• M22: 21,096,890 km (0.103 R)
• M23: 22,747,403 km (0.112 R)
• M24: 26,730,297 km (0.097 R)
• M25: 27,161,139 km (0.063 R)
• M26: 27,596,768 km (0.073 R)
• M27: 29,112,643 km (0.057 R)
• M28: 30,495,676 km (0.073 R)
• M29: 32,798,884 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.7

Radius: 6.9

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.44 AU - 6.06 AU

Year: 9352 Days

Day: 24.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,077,882 km

• M1: 86,019 km (0.096 R)
• M2: 378,931 km (0.087 R)
• M3: 694,284 km (0.066 R)
• M4: 4,232,722 km (0.117 R)
• M5: 6,285,654 km (0.106 R)
• M6: 6,887,636 km (0.052 R)
• M7: 7,449,974 km (0.11 R)
• M8: 7,722,691 km (0.086 R)
• M9: 9,231,984 km (0.076 R)
• M10: 13,788,286 km (0.034 R)
• M11: 14,619,751 km (0.069 R)
• M12: 16,910,693 km (0.089 R)
• M13: 17,314,458 km (0.081 R)
• M14: 19,357,366 km (0.11 R)
• M15: 21,634,246 km (0.072 R)
• M16: 27,260,023 km (0.114 R)
• M17: 31,508,004 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.7

Radius: 3.8

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.08 AU - 9.9 AU

Year: 15318 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,077,882 km

• M1: 50,265 km (0.061 R)
• M2: 176,376 km (0.056 R)
• M3: 301,440 km (0.096 R)
• M4: 488,886 km (0.106 R)
• M5: 620,532 km (0.105 R)
• M6: 1,200,822 km (0.062 R)
• M7: 1,355,806 km (0.055 R)
• M8: 1,578,557 km (0.086 R)
• M9: 2,113,968 km (0.103 R)
• M10: 2,304,854 km (0.102 R)
• M11: 3,097,873 km (0.11 R)
• M12: 3,484,434 km (0.118 R)
• M13: 4,298,096 km (0.097 R)
• M14: 4,691,090 km (0.089 R)
• M15: 5,262,255 km (0.089 R)
• M16: 6,834,678 km (0.118 R)
• M17: 7,291,251 km (0.097 R)
• M18: 7,808,410 km (0.081 R)
• M19: 13,029,376 km (0.118 R)
• M20: 13,789,483 km (0.104 R)
• M21: 13,909,012 km (0.076 R)
• M22: 15,015,737 km (0.1 R)
• M23: 19,276,434 km (0.051 R)
• M24: 22,662,731 km (0.067 R)
• M25: 25,068,564 km (0.05 R)
• M26: 26,241,112 km (0.095 R)
• M27: 26,424,818 km (0.118 R)
• M28: 27,261,669 km (0.085 R)
• M29: 30,582,592 km (0.113 R)
• M30: 32,234,601 km (0.081 R)
• M31: 35,715,444 km (0.093 R)
• M32: 36,167,380 km (0.12 R)
• M33: 36,967,429 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513

Radius: 4.3

Gravity: 27.74 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.24 AU - 10.2 AU

Year: 15984 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,077,882 km

• M1: 63,878 km (0.03 R)
• M2: 712,834 km (0.114 R)
• M3: 875,447 km (0.099 R)
• M4: 2,452,657 km (0.111 R)
• M5: 3,634,779 km (0.101 R)
• M6: 4,061,881 km (0.092 R)
• M7: 5,399,286 km (0.098 R)
• M8: 5,992,891 km (0.114 R)
• M9: 9,784,299 km (0.096 R)
• M10: 21,422,864 km (0.106 R)
• M11: 25,337,092 km (0.074 R)
• M12: 29,926,904 km (0.069 R)
• M13: 31,300,213 km (0.054 R)
• M14: 33,681,512 km (0.082 R)
• M15: 37,869,803 km (0.113 R)
• M16: 39,204,366 km (0.119 R)
• M17: 43,976,239 km (0.075 R)
• M18: 48,340,458 km (0.059 R)
• M19: 49,120,910 km (0.103 R)
• M20: 54,315,995 km (0.069 R)
• M21: 55,840,397 km (0.109 R)
• M22: 57,045,707 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 831.8

Radius: 5.1

Gravity: 31.98 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.11 AU - 10.31 AU

Year: 17435 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,077,882 km

• M1: 63,429 km (0.113 R)
• M2: 266,583 km (0.096 R)
• M3: 579,093 km (0.066 R)
• M4: 758,760 km (0.109 R)
• M5: 1,868,627 km (0.113 R)
• M6: 2,998,241 km (0.073 R)
• M7: 4,453,828 km (0.113 R)
• M8: 6,498,083 km (0.119 R)
• M9: 10,958,194 km (0.099 R)
• M10: 13,342,036 km (0.069 R)
• M11: 14,207,759 km (0.097 R)
• M12: 14,429,911 km (0.117 R)
• M13: 16,130,690 km (0.069 R)
• M14: 17,960,421 km (0.094 R)
• M15: 20,295,943 km (0.111 R)
• M16: 21,245,740 km (0.108 R)
• M17: 26,891,264 km (0.092 R)
• M18: 33,722,053 km (0.052 R)
• M19: 37,393,185 km (0.084 R)
• M20: 39,983,322 km (0.107 R)
• M21: 47,800,708 km (0.115 R)
• M22: 61,147,082 km (0.065 R)
• M23: 65,751,555 km (0.062 R)
• M24: 66,368,647 km (0.104 R)
• M25: 71,879,533 km (0.081 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: 412 - 18,581 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit