🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 13.6

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 9.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 63,548,259 km

• M1: 169,494 km (0.09 R)
• M2: 597,643 km (0.08 R)
• M3: 1,032,674 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.9

Radius: 12.2

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.57 AU - 2.13 AU

Year: 1707 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,548,259 km

• M1: 151,842 km (0.037 R)
• M2: 535,261 km (0.1 R)
• M3: 937,380 km (0.103 R)
• M4: 1,527,394 km (0.113 R)
• M5: 2,379,653 km (0.096 R)
• M6: 2,893,821 km (0.088 R)
• M7: 3,349,197 km (0.108 R)
• M8: 3,981,996 km (0.046 R)
• M9: 4,638,282 km (0.065 R)
• M10: 5,031,126 km (0.057 R)
• M11: 5,446,260 km (0.03 R)
• M12: 6,459,486 km (0.031 R)
• M13: 6,855,622 km (0.11 R)
• M14: 7,800,033 km (0.03 R)
• M15: 9,057,253 km (0.074 R)
• M16: 10,540,367 km (0.058 R)
• M17: 11,223,431 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 9.1

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.73 AU - 2.43 AU

Year: 2035 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 146.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,548,259 km

• M1: 113,395 km (0.118 R)
• M2: 441,164 km (0.107 R)
• M3: 1,165,966 km (0.12 R)
• M4: 3,017,987 km (0.055 R)
• M5: 3,693,871 km (0.097 R)
• M6: 3,999,050 km (0.087 R)
• M7: 4,552,413 km (0.056 R)
• M8: 5,040,251 km (0.092 R)
• M9: 6,226,114 km (0.08 R)
• M10: 6,969,914 km (0.111 R)
• M11: 7,408,087 km (0.117 R)
• M12: 9,105,274 km (0.045 R)
• M13: 9,880,640 km (0.06 R)
• M14: 10,775,983 km (0.108 R)
• M15: 12,260,742 km (0.107 R)
• M16: 12,556,348 km (0.12 R)
• M17: 13,696,283 km (0.118 R)
• M18: 14,760,822 km (0.114 R)
• M19: 15,191,963 km (0.102 R)
• M20: 16,231,070 km (0.097 R)
• M21: 16,793,857 km (0.107 R)
• M22: 17,475,724 km (0.054 R)
• M23: 18,066,935 km (0.112 R)
• M24: 18,505,257 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 13.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.5 AU - 4.08 AU

Year: 4047 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,548,259 km

• M1: 171,589 km (0.111 R)
• M2: 604,675 km (0.026 R)
• M3: 1,096,852 km (0.115 R)
• M4: 1,696,889 km (0.063 R)
• M5: 3,028,758 km (0.05 R)
• M6: 3,496,850 km (0.068 R)
• M7: 4,211,629 km (0.034 R)
• M8: 5,227,548 km (0.103 R)
• M9: 5,710,450 km (0.057 R)
• M10: 6,491,052 km (0.112 R)
• M11: 7,983,889 km (0.099 R)
• M12: 8,626,711 km (0.065 R)
• M13: 9,112,156 km (0.106 R)
• M14: 9,616,002 km (0.037 R)
• M15: 10,469,158 km (0.051 R)
• M16: 12,751,573 km (0.066 R)
• M17: 14,137,148 km (0.088 R)
• M18: 17,031,418 km (0.104 R)
• M19: 17,737,969 km (0.115 R)
• M20: 19,462,533 km (0.086 R)
• M21: 20,039,981 km (0.104 R)
• M22: 22,186,112 km (0.098 R)
• M23: 24,481,542 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300

Radius: 7.2

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.93 AU - 6.65 AU

Year: 9450 Days

Day: 16 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,548,259 km

• M1: 112,498 km (0.103 R)
• M2: 578,944 km (0.066 R)
• M3: 848,818 km (0.092 R)
• M4: 1,500,467 km (0.101 R)
• M5: 1,992,943 km (0.046 R)
• M6: 2,679,896 km (0.089 R)
• M7: 3,742,640 km (0.075 R)
• M8: 4,565,577 km (0.114 R)
• M9: 5,383,579 km (0.1 R)
• M10: 6,131,418 km (0.103 R)
• M11: 6,736,243 km (0.039 R)
• M12: 6,982,032 km (0.036 R)
• M13: 8,064,522 km (0.042 R)
• M14: 9,254,872 km (0.117 R)
• M15: 9,735,530 km (0.056 R)
• M16: 12,815,750 km (0.116 R)
• M17: 17,856,600 km (0.115 R)
• M18: 21,334,452 km (0.049 R)
• M19: 29,501,298 km (0.078 R)
• M20: 30,541,602 km (0.06 R)
• M21: 32,694,914 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.7

Radius: 4

Gravity: 52.11 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.7 AU - 7.2 AU

Year: 11110 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,548,259 km

• M1: 49,816 km (0.096 R)
• M2: 242,349 km (0.104 R)
• M3: 641,775 km (0.056 R)
• M4: 876,344 km (0.068 R)
• M5: 1,190,500 km (0.045 R)
• M6: 1,796,970 km (0.116 R)
• M7: 2,093,323 km (0.039 R)
• M8: 2,673,314 km (0.047 R)
• M9: 2,850,587 km (0.118 R)
• M10: 3,035,640 km (0.079 R)
• M11: 4,084,471 km (0.118 R)
• M12: 4,502,447 km (0.119 R)
• M13: 5,047,881 km (0.087 R)
• M14: 5,319,102 km (0.043 R)
• M15: 6,905,887 km (0.119 R)
• M16: 7,325,509 km (0.115 R)
• M17: 9,175,137 km (0.119 R)
• M18: 9,426,311 km (0.118 R)
• M19: 12,256,105 km (0.1 R)
• M20: 18,225,209 km (0.086 R)
• M21: 18,943,578 km (0.086 R)
• M22: 20,098,324 km (0.103 R)
• M23: 21,124,865 km (0.083 R)
• M24: 24,222,139 km (0.058 R)
• M25: 27,401,543 km (0.068 R)
• M26: 32,327,202 km (0.103 R)
• M27: 32,675,017 km (0.067 R)
• M28: 35,425,673 km (0.075 R)
• M29: 39,108,773 km (0.113 R)
• M30: 41,110,243 km (0.107 R)
• M31: 42,343,378 km (0.094 R)
• M32: 43,600,898 km (0.12 R)
• M33: 44,596,023 km (0.118 R)
• M34: 45,751,816 km (0.054 R)
• M35: 49,185,536 km (0.119 R)
• M36: 51,043,392 km (0.048 R)
• M37: 51,672,900 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.1

Radius: 4.7

Gravity: 35.04 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.7 AU - 9.48 AU

Year: 14183 Days

Day: 23.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,548,259 km

• M1: 58,493 km (0.104 R)
• M2: 235,018 km (0.086 R)
• M3: 1,042,248 km (0.059 R)
• M4: 2,007,753 km (0.046 R)
• M5: 2,555,132 km (0.053 R)
• M6: 2,875,421 km (0.109 R)
• M7: 3,299,830 km (0.071 R)
• M8: 3,486,229 km (0.116 R)
• M9: 3,679,808 km (0.063 R)
• M10: 4,272,366 km (0.102 R)
• M11: 5,170,102 km (0.071 R)
• M12: 5,989,600 km (0.038 R)
• M13: 7,197,453 km (0.08 R)
• M14: 7,375,923 km (0.058 R)
• M15: 11,657,863 km (0.092 R)
• M16: 15,727,972 km (0.084 R)
• M17: 16,564,523 km (0.027 R)
• M18: 17,510,431 km (0.116 R)
• M19: 20,032,052 km (0.109 R)
• M20: 23,170,616 km (0.087 R)
• M21: 26,621,988 km (0.078 R)
• M22: 32,296,684 km (0.103 R)
• M23: 32,660,806 km (0.095 R)
• M24: 34,144,368 km (0.035 R)
• M25: 34,775,521 km (0.111 R)
• M26: 36,847,751 km (0.044 R)
• M27: 37,112,389 km (0.027 R)
• M28: 37,779,596 km (0.099 R)
• M29: 42,530,226 km (0.101 R)
• M30: 42,967,650 km (0.115 R)
• M31: 46,113,394 km (0.092 R)
• M32: 47,663,976 km (0.092 R)
• M33: 47,820,904 km (0.098 R)
• M34: 48,610,781 km (0.085 R)
• M35: 55,418,681 km (0.042 R)
• M36: 57,881,511 km (0.061 R)
• M37: 59,320,941 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.7

Radius: 6.8

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.17 AU - 8.37 AU

Year: 14690 Days

Day: 16.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,548,259 km

• M1: 84,672 km (0.104 R)
• M2: 454,628 km (0.071 R)
• M3: 778,956 km (0.081 R)
• M4: 1,492,688 km (0.1 R)
• M5: 1,780,963 km (0.109 R)
• M6: 2,556,927 km (0.111 R)
• M7: 4,686,452 km (0.109 R)
• M8: 5,130,309 km (0.063 R)
• M9: 5,453,890 km (0.084 R)
• M10: 5,677,090 km (0.113 R)
• M11: 6,261,868 km (0.105 R)
• M12: 7,191,170 km (0.109 R)
• M13: 7,781,932 km (0.116 R)
• M14: 9,640,236 km (0.063 R)
• M15: 10,414,705 km (0.116 R)
• M16: 12,403,159 km (0.077 R)
• M17: 15,727,823 km (0.055 R)
• M18: 17,193,433 km (0.038 R)
• M19: 20,752,217 km (0.113 R)
• M20: 22,607,529 km (0.062 R)
• M21: 22,895,057 km (0.041 R)
• M22: 25,283,835 km (0.053 R)
• M23: 25,697,473 km (0.06 R)
• M24: 26,220,916 km (0.089 R)
• M25: 26,858,353 km (0.099 R)
• M26: 29,740,356 km (0.079 R)
• M27: 30,784,250 km (0.108 R)
• M28: 33,438,415 km (0.115 R)
• M29: 34,187,901 km (0.073 R)
• M30: 39,059,256 km (0.095 R)
• M31: 40,733,256 km (0.092 R)
• M32: 42,600,238 km (0.117 R)
• M33: 43,777,124 km (0.054 R)
• M34: 60,182,475 km (0.108 R)
• M35: 63,168,299 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit