🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 10.6

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.53 AU - 0.69 AU

Year: 323 Days

Day: 12.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,752,288 km

• M1: 131,796 km (0.084 R)
• M2: 468,840 km (0.074 R)
• M3: 802,443 km (0.051 R)
• M4: 1,332,917 km (0.091 R)
• M5: 1,737,280 km (0.084 R)
• M6: 2,175,003 km (0.118 R)
• M7: 2,630,379 km (0.061 R)
• M8: 3,961,651 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.2

Radius: 11.7

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 5 Hours

Environment

Temp: -158 °C

Axial Tilt: 102.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,752,288 km

• M1: 145,559 km (0.041 R)
• M2: 599,887 km (0.1 R)
• M3: 1,064,987 km (0.096 R)
• M4: 1,462,469 km (0.088 R)
• M5: 2,108,732 km (0.073 R)
• M6: 2,529,550 km (0.096 R)
• M7: 3,006,468 km (0.12 R)
• M8: 3,556,091 km (0.109 R)
• M9: 4,605,670 km (0.065 R)
• M10: 5,253,578 km (0.101 R)
• M11: 5,942,775 km (0.11 R)
• M12: 6,975,001 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.7

Radius: 8.1

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.44 AU - 1.8 AU

Year: 1399 Days

Day: 12.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,752,288 km

• M1: 100,829 km (0.118 R)
• M2: 533,017 km (0.114 R)
• M3: 833,410 km (0.093 R)
• M4: 1,495,231 km (0.092 R)
• M5: 1,879,996 km (0.07 R)
• M6: 2,392,220 km (0.111 R)
• M7: 2,750,656 km (0.059 R)
• M8: 3,867,105 km (0.119 R)
• M9: 5,752,487 km (0.05 R)
• M10: 6,033,731 km (0.027 R)
• M11: 6,726,219 km (0.117 R)
• M12: 7,948,733 km (0.1 R)
• M13: 8,239,402 km (0.095 R)
• M14: 8,507,033 km (0.113 R)
• M15: 9,281,052 km (0.027 R)
• M16: 10,168,915 km (0.06 R)
• M17: 11,365,997 km (0.077 R)
• M18: 13,662,026 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 11.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.42 AU - 1.9 AU

Year: 1451 Days

Day: 7.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,752,288 km

• M1: 141,071 km (0.088 R)
• M2: 500,854 km (0.115 R)
• M3: 1,095,356 km (0.092 R)
• M4: 1,652,009 km (0.092 R)
• M5: 2,063,254 km (0.117 R)
• M6: 2,922,394 km (0.076 R)
• M7: 3,595,884 km (0.104 R)
• M8: 3,987,681 km (0.033 R)
• M9: 4,522,493 km (0.059 R)
• M10: 6,154,157 km (0.105 R)
• M11: 7,368,742 km (0.081 R)
• M12: 7,835,188 km (0.076 R)
• M13: 9,545,092 km (0.118 R)
• M14: 10,436,546 km (0.114 R)
• M15: 10,885,190 km (0.026 R)
• M16: 11,600,417 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.7

Radius: 14.6

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.15 AU - 2.69 AU

Year: 2553 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,752,288 km

• M1: 181,612 km (0.091 R)
• M2: 647,460 km (0.12 R)
• M3: 1,333,665 km (0.1 R)
• M4: 1,864,588 km (0.087 R)
• M5: 2,525,362 km (0.039 R)
• M6: 3,236,400 km (0.078 R)
• M7: 4,147,601 km (0.092 R)
• M8: 7,474,807 km (0.1 R)
• M9: 8,830,314 km (0.064 R)
• M10: 9,582,492 km (0.109 R)
• M11: 10,840,759 km (0.074 R)
• M12: 11,917,565 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.2

Radius: 10.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.77 AU - 3.57 AU

Year: 3828 Days

Day: 13.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,752,288 km

• M1: 134,339 km (0.119 R)
• M2: 557,850 km (0.109 R)
• M3: 1,126,921 km (0.116 R)
• M4: 2,367,685 km (0.119 R)
• M5: 3,060,922 km (0.051 R)
• M6: 4,204,598 km (0.06 R)
• M7: 4,706,199 km (0.119 R)
• M8: 5,775,076 km (0.117 R)
• M9: 6,251,097 km (0.067 R)
• M10: 6,692,859 km (0.111 R)
• M11: 8,144,258 km (0.049 R)
• M12: 9,036,160 km (0.105 R)
• M13: 10,150,814 km (0.116 R)
• M14: 10,638,054 km (0.109 R)
• M15: 13,995,330 km (0.047 R)
• M16: 15,011,698 km (0.032 R)
• M17: 15,591,240 km (0.093 R)
• M18: 16,240,494 km (0.077 R)
• M19: 17,191,039 km (0.096 R)
• M20: 21,038,547 km (0.099 R)
• M21: 23,476,992 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.1

Radius: 7.5

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.3 AU - 7.02 AU

Year: 9133 Days

Day: 22.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,752,288 km

• M1: 102,774 km (0.113 R)
• M2: 356,941 km (0.085 R)
• M3: 653,743 km (0.073 R)
• M4: 935,286 km (0.085 R)
• M5: 1,239,269 km (0.063 R)
• M6: 1,873,863 km (0.095 R)
• M7: 2,151,217 km (0.112 R)
• M8: 2,668,078 km (0.078 R)
• M9: 2,934,961 km (0.068 R)
• M10: 3,242,384 km (0.077 R)
• M11: 3,947,888 km (0.106 R)
• M12: 4,663,714 km (0.111 R)
• M13: 6,386,782 km (0.071 R)
• M14: 6,791,444 km (0.109 R)
• M15: 7,490,515 km (0.093 R)
• M16: 8,985,895 km (0.101 R)
• M17: 12,385,208 km (0.102 R)
• M18: 13,605,926 km (0.082 R)
• M19: 14,091,222 km (0.073 R)
• M20: 14,338,358 km (0.112 R)
• M21: 15,032,492 km (0.087 R)
• M22: 16,284,177 km (0.091 R)
• M23: 17,179,670 km (0.095 R)
• M24: 19,219,287 km (0.071 R)
• M25: 19,676,458 km (0.11 R)
• M26: 23,082,203 km (0.111 R)
• M27: 25,742,502 km (0.108 R)
• M28: 26,861,644 km (0.112 R)
• M29: 29,699,366 km (0.093 R)
• M30: 30,826,137 km (0.068 R)
• M31: 33,055,893 km (0.106 R)
• M32: 34,937,984 km (0.12 R)
• M33: 36,308,899 km (0.104 R)
• M34: 39,523,608 km (0.073 R)
• M35: 43,442,773 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.8

Radius: 3

Gravity: 108.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.32 AU - 9.28 AU

Year: 14775 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 73,752,288 km

• M1: 37,549 km (0.106 R)
• M2: 143,913 km (0.111 R)
• M3: 533,017 km (0.102 R)
• M4: 762,949 km (0.081 R)
• M5: 1,675,945 km (0.047 R)
• M6: 1,799,214 km (0.101 R)
• M7: 1,966,614 km (0.092 R)
• M8: 2,577,571 km (0.105 R)
• M9: 2,694,407 km (0.088 R)
• M10: 2,989,414 km (0.1 R)
• M11: 3,118,517 km (0.083 R)
• M12: 3,305,365 km (0.073 R)
• M13: 5,007,639 km (0.106 R)
• M14: 5,684,569 km (0.065 R)
• M15: 7,309,801 km (0.094 R)
• M16: 7,832,496 km (0.037 R)
• M17: 8,688,495 km (0.103 R)
• M18: 9,494,079 km (0.105 R)
• M19: 10,057,914 km (0.102 R)
• M20: 10,703,578 km (0.078 R)
• M21: 12,012,111 km (0.118 R)
• M22: 12,207,336 km (0.089 R)
• M23: 13,353,854 km (0.057 R)
• M24: 14,792,237 km (0.116 R)
• M25: 15,016,634 km (0.097 R)
• M26: 17,056,551 km (0.098 R)
• M27: 17,552,318 km (0.096 R)
• M28: 19,008,803 km (0.103 R)
• M29: 19,362,752 km (0.057 R)
• M30: 22,355,008 km (0.059 R)
• M31: 23,858,018 km (0.093 R)
• M32: 24,477,503 km (0.116 R)
• M33: 24,581,922 km (0.063 R)
• M34: 29,825,327 km (0.092 R)
• M35: 29,944,258 km (0.066 R)
• M36: 34,442,067 km (0.063 R)
• M37: 37,678,169 km (0.108 R)
• M38: 42,903,024 km (0.074 R)
• M39: 43,972,200 km (0.088 R)
• M40: 44,902,549 km (0.083 R)
• M41: 49,584,663 km (0.051 R)
• M42: 50,255,011 km (0.039 R)
• M43: 52,129,472 km (0.117 R)
• M44: 59,150,250 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.3

Radius: 4.1

Gravity: 32.86 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.54 AU - 10.34 AU

Year: 21255 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 87.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,752,288 km

• M1: 51,312 km (0.059 R)
• M2: 320,139 km (0.106 R)
• M3: 540,647 km (0.105 R)
• M4: 704,756 km (0.119 R)
• M5: 1,244,505 km (0.101 R)
• M6: 1,904,830 km (0.08 R)
• M7: 2,162,736 km (0.092 R)
• M8: 2,675,558 km (0.119 R)
• M9: 3,077,378 km (0.03 R)
• M10: 3,432,673 km (0.082 R)
• M11: 3,937,566 km (0.116 R)
• M12: 4,159,270 km (0.115 R)
• M13: 5,019,906 km (0.11 R)
• M14: 5,472,440 km (0.094 R)
• M15: 5,869,921 km (0.119 R)
• M16: 6,811,939 km (0.067 R)
• M17: 9,153,595 km (0.113 R)
• M18: 9,712,941 km (0.069 R)
• M19: 10,413,957 km (0.074 R)
• M20: 11,720,844 km (0.086 R)
• M21: 13,414,591 km (0.085 R)
• M22: 21,239,756 km (0.09 R)
• M23: 21,530,126 km (0.092 R)
• M24: 24,262,531 km (0.051 R)
• M25: 26,096,601 km (0.116 R)
• M26: 26,541,056 km (0.113 R)
• M27: 31,143,734 km (0.106 R)
• M28: 34,092,906 km (0.109 R)
• M29: 37,927,698 km (0.078 R)
• M30: 42,344,874 km (0.062 R)
• M31: 50,276,404 km (0.082 R)
• M32: 54,318,239 km (0.109 R)
• M33: 64,445,566 km (0.051 R)
• M34: 65,257,134 km (0.109 R)
• M35: 66,694,022 km (0.082 R)
• M36: 67,524,440 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 11,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit