🌌 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: 209

Radius: 9.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.55 AU - 0.77 AU

Year: 358 Days

Day: 14.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,798,833 km

• M1: 118,182 km (0.041 R)
• M2: 596,746 km (0.076 R)
• M3: 944,411 km (0.094 R)
• M4: 1,344,735 km (0.081 R)
• M5: 1,693,448 km (0.079 R)
• M6: 2,025,256 km (0.12 R)
• M7: 2,377,409 km (0.096 R)
• M8: 2,955,904 km (0.084 R)
• M9: 3,492,063 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 8.3

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.52 AU - 2.4 AU

Year: 1830 Days

Day: 11.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,798,833 km

• M1: 103,821 km (0.086 R)
• M2: 458,667 km (0.088 R)
• M3: 780,602 km (0.078 R)
• M4: 1,116,299 km (0.052 R)
• M5: 1,803,702 km (0.071 R)
• M6: 2,831,738 km (0.103 R)
• M7: 3,916,622 km (0.032 R)
• M8: 4,793,565 km (0.094 R)
• M9: 5,366,076 km (0.077 R)
• M10: 5,983,316 km (0.025 R)
• M11: 7,860,919 km (0.117 R)
• M12: 9,899,639 km (0.09 R)
• M13: 10,442,530 km (0.12 R)
• M14: 11,886,598 km (0.108 R)
• M15: 12,814,404 km (0.119 R)
• M16: 14,295,573 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 10.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.12 AU - 2.48 AU

Year: 2326 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,798,833 km

• M1: 131,796 km (0.103 R)
• M2: 563,386 km (0.098 R)
• M3: 912,846 km (0.103 R)
• M4: 1,264,551 km (0.117 R)
• M5: 1,708,557 km (0.117 R)
• M6: 2,692,014 km (0.066 R)
• M7: 3,078,275 km (0.081 R)
• M8: 3,910,339 km (0.081 R)
• M9: 4,408,200 km (0.12 R)
• M10: 4,906,511 km (0.099 R)
• M11: 6,281,615 km (0.071 R)
• M12: 7,784,475 km (0.094 R)
• M13: 8,454,075 km (0.102 R)
• M14: 8,880,279 km (0.114 R)
• M15: 9,546,439 km (0.051 R)
• M16: 10,279,767 km (0.087 R)
• M17: 12,162,307 km (0.099 R)
• M18: 13,388,112 km (0.108 R)
• M19: 14,349,577 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.9

Radius: 14.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.37 AU - 3.39 AU

Year: 3259 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,798,833 km

• M1: 181,911 km (0.107 R)
• M2: 914,342 km (0.082 R)
• M3: 1,392,906 km (0.107 R)
• M4: 2,158,548 km (0.039 R)
• M5: 2,927,481 km (0.067 R)
• M6: 5,038,755 km (0.084 R)
• M7: 9,250,833 km (0.115 R)
• M8: 9,984,760 km (0.059 R)
• M9: 10,996,790 km (0.088 R)
• M10: 14,445,769 km (0.116 R)
• M11: 15,033,838 km (0.067 R)
• M12: 15,536,188 km (0.118 R)
• M13: 16,787,574 km (0.112 R)
• M14: 20,453,021 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 14.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.85 AU - 3.01 AU

Year: 3344 Days

Day: 14.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,798,833 km

• M1: 182,809 km (0.086 R)
• M2: 1,178,233 km (0.089 R)
• M3: 1,873,713 km (0.076 R)
• M4: 2,891,428 km (0.051 R)
• M5: 4,068,763 km (0.064 R)
• M6: 5,773,281 km (0.061 R)
• M7: 6,419,544 km (0.106 R)
• M8: 7,688,134 km (0.106 R)
• M9: 9,181,121 km (0.073 R)
• M10: 9,829,926 km (0.108 R)
• M11: 12,113,688 km (0.041 R)
• M12: 14,214,640 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 9.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.64 AU - 3.9 AU

Year: 3943 Days

Day: 13.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,798,833 km

• M1: 115,938 km (0.038 R)
• M2: 427,252 km (0.096 R)
• M3: 936,632 km (0.118 R)
• M4: 1,256,024 km (0.089 R)
• M5: 1,905,877 km (0.057 R)
• M6: 2,314,578 km (0.081 R)
• M7: 3,131,981 km (0.06 R)
• M8: 3,704,193 km (0.049 R)
• M9: 4,279,546 km (0.066 R)
• M10: 5,765,502 km (0.075 R)
• M11: 6,452,605 km (0.093 R)
• M12: 6,742,376 km (0.113 R)
• M13: 7,316,981 km (0.091 R)
• M14: 10,651,967 km (0.06 R)
• M15: 12,739,455 km (0.114 R)
• M16: 13,523,498 km (0.101 R)
• M17: 15,806,062 km (0.071 R)
• M18: 16,387,699 km (0.113 R)
• M19: 16,983,697 km (0.12 R)
• M20: 18,624,037 km (0.103 R)
• M21: 19,213,453 km (0.119 R)
• M22: 19,998,243 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.6

Radius: 3.9

Gravity: 40.47 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.47 AU - 7.99 AU

Year: 14332 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,798,833 km

• M1: 48,919 km (0.055 R)
• M2: 385,514 km (0.114 R)
• M3: 608,265 km (0.064 R)
• M4: 763,248 km (0.116 R)
• M5: 1,069,176 km (0.094 R)
• M6: 1,230,742 km (0.048 R)
• M7: 1,919,939 km (0.106 R)
• M8: 2,140,746 km (0.11 R)
• M9: 2,398,652 km (0.096 R)
• M10: 2,567,399 km (0.114 R)
• M11: 3,297,735 km (0.118 R)
• M12: 3,480,245 km (0.041 R)
• M13: 4,187,095 km (0.036 R)
• M14: 4,308,568 km (0.04 R)
• M15: 4,463,701 km (0.094 R)
• M16: 4,752,276 km (0.091 R)
• M17: 9,876,451 km (0.063 R)
• M18: 10,476,937 km (0.107 R)
• M19: 12,612,148 km (0.091 R)
• M20: 12,994,071 km (0.079 R)
• M21: 14,254,583 km (0.111 R)
• M22: 17,560,696 km (0.107 R)
• M23: 20,634,782 km (0.09 R)
• M24: 23,091,778 km (0.063 R)
• M25: 24,933,028 km (0.075 R)
• M26: 25,940,420 km (0.069 R)
• M27: 26,870,022 km (0.046 R)
• M28: 27,079,459 km (0.027 R)
• M29: 27,501,923 km (0.078 R)
• M30: 27,714,651 km (0.086 R)
• M31: 29,014,657 km (0.032 R)
• M32: 29,791,518 km (0.086 R)
• M33: 36,511,904 km (0.054 R)
• M34: 43,739,725 km (0.086 R)
• M35: 48,845,650 km (0.097 R)
• M36: 54,334,395 km (0.074 R)
• M37: 55,343,882 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 13,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit