🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197

Radius: 14.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.68 AU - 0.86 AU

Year: 466 Days

Day: 5.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,949,096 km

• M1: 179,069 km (0.09 R)
• M2: 651,349 km (0.042 R)
• M3: 1,156,541 km (0.114 R)
• M4: 1,658,442 km (0.077 R)
• M5: 2,551,392 km (0.054 R)
• M6: 3,083,960 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.7

Radius: 12

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.33 AU - 1.35 AU

Year: 1071 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,949,096 km

• M1: 149,299 km (0.118 R)
• M2: 545,883 km (0.108 R)
• M3: 1,026,840 km (0.067 R)
• M4: 1,455,886 km (0.059 R)
• M5: 1,887,327 km (0.1 R)
• M6: 2,393,267 km (0.1 R)
• M7: 2,896,215 km (0.097 R)
• M8: 3,279,634 km (0.074 R)
• M9: 3,775,401 km (0.104 R)
• M10: 4,183,953 km (0.07 R)
• M11: 4,824,681 km (0.118 R)
• M12: 5,267,491 km (0.065 R)
• M13: 5,885,928 km (0.107 R)
• M14: 7,170,076 km (0.079 R)
• M15: 8,009,769 km (0.108 R)
• M16: 10,348,582 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.5

Radius: 14.7

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.61 AU - 1.87 AU

Year: 1584 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,949,096 km

• M1: 182,809 km (0.102 R)
• M2: 665,411 km (0.031 R)
• M3: 1,367,624 km (0.09 R)
• M4: 2,002,966 km (0.106 R)
• M5: 2,652,520 km (0.057 R)
• M6: 3,391,982 km (0.114 R)
• M7: 3,935,172 km (0.068 R)
• M8: 5,878,000 km (0.062 R)
• M9: 6,413,111 km (0.086 R)
• M10: 8,336,641 km (0.101 R)
• M11: 9,861,791 km (0.044 R)
• M12: 10,977,641 km (0.056 R)
• M13: 11,944,941 km (0.054 R)
• M14: 12,647,303 km (0.102 R)
• M15: 13,501,507 km (0.1 R)
• M16: 14,524,457 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.9

Radius: 9.5

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.03 AU - 2.89 AU

Year: 2663 Days

Day: 5.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,949,096 km

• M1: 118,182 km (0.115 R)
• M2: 435,180 km (0.119 R)
• M3: 737,218 km (0.111 R)
• M4: 1,443,769 km (0.112 R)
• M5: 1,984,117 km (0.036 R)
• M6: 2,295,131 km (0.107 R)
• M7: 3,360,267 km (0.094 R)
• M8: 3,825,367 km (0.11 R)
• M9: 6,210,406 km (0.073 R)
• M10: 7,573,542 km (0.056 R)
• M11: 7,951,576 km (0.053 R)
• M12: 8,711,234 km (0.044 R)
• M13: 9,446,358 km (0.065 R)
• M14: 10,336,614 km (0.067 R)
• M15: 10,802,163 km (0.098 R)
• M16: 11,526,815 km (0.111 R)
• M17: 12,069,855 km (0.073 R)
• M18: 13,207,398 km (0.115 R)
• M19: 14,224,514 km (0.085 R)
• M20: 16,361,968 km (0.098 R)
• M21: 17,209,440 km (0.089 R)
• M22: 18,648,272 km (0.066 R)
• M23: 19,927,184 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.1

Radius: 9.8

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.9 AU - 2.92 AU

Year: 3426 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,949,096 km

• M1: 124,017 km (0.115 R)
• M2: 442,511 km (0.117 R)
• M3: 898,335 km (0.083 R)
• M4: 1,203,814 km (0.098 R)
• M5: 2,048,743 km (0.091 R)
• M6: 2,366,938 km (0.066 R)
• M7: 3,035,042 km (0.026 R)
• M8: 3,644,204 km (0.096 R)
• M9: 4,697,074 km (0.032 R)
• M10: 5,383,429 km (0.039 R)
• M11: 6,595,471 km (0.114 R)
• M12: 7,078,522 km (0.113 R)
• M13: 7,488,271 km (0.114 R)
• M14: 8,081,726 km (0.073 R)
• M15: 10,090,676 km (0.112 R)
• M16: 12,187,589 km (0.083 R)
• M17: 13,149,354 km (0.09 R)
• M18: 14,359,301 km (0.087 R)
• M19: 15,536,636 km (0.113 R)
• M20: 17,111,453 km (0.109 R)
• M21: 17,563,987 km (0.07 R)
• M22: 19,393,270 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.2

Radius: 14.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.34 AU - 3.84 AU

Year: 3749 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,949,096 km

• M1: 179,069 km (0.083 R)
• M2: 993,928 km (0.096 R)
• M3: 1,697,188 km (0.104 R)
• M4: 2,157,800 km (0.071 R)
• M5: 2,737,192 km (0.095 R)
• M6: 3,243,880 km (0.112 R)
• M7: 6,202,627 km (0.103 R)
• M8: 6,825,253 km (0.098 R)
• M9: 8,123,763 km (0.106 R)
• M10: 8,832,109 km (0.104 R)
• M11: 9,950,652 km (0.052 R)
• M12: 11,525,319 km (0.105 R)
• M13: 12,811,412 km (0.093 R)
• M14: 14,085,537 km (0.098 R)
• M15: 17,978,523 km (0.092 R)
• M16: 21,612,105 km (0.093 R)
• M17: 25,317,046 km (0.066 R)
• M18: 25,788,279 km (0.118 R)
• M19: 26,425,865 km (0.086 R)
• M20: 27,815,630 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 13

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.48 AU - 4.14 AU

Year: 5133 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,949,096 km

• M1: 163,959 km (0.034 R)
• M2: 939,325 km (0.102 R)
• M3: 1,805,945 km (0.118 R)
• M4: 2,210,159 km (0.077 R)
• M5: 3,405,446 km (0.104 R)
• M6: 5,567,584 km (0.117 R)
• M7: 6,759,879 km (0.107 R)
• M8: 10,222,172 km (0.118 R)
• M9: 12,135,080 km (0.113 R)
• M10: 13,886,871 km (0.06 R)
• M11: 15,179,098 km (0.075 R)
• M12: 16,387,549 km (0.087 R)
• M13: 17,602,733 km (0.118 R)
• M14: 21,157,477 km (0.109 R)
• M15: 21,738,815 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.9

Radius: 8.1

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.69 AU - 5.75 AU

Year: 7078 Days

Day: 12.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,949,096 km

• M1: 101,278 km (0.114 R)
• M2: 380,727 km (0.076 R)
• M3: 635,492 km (0.086 R)
• M4: 1,134,401 km (0.057 R)
• M5: 2,525,511 km (0.099 R)
• M6: 3,577,334 km (0.071 R)
• M7: 4,748,536 km (0.072 R)
• M8: 8,940,717 km (0.044 R)
• M9: 14,915,656 km (0.096 R)
• M10: 15,819,825 km (0.105 R)
• M11: 17,737,072 km (0.106 R)
• M12: 19,272,993 km (0.113 R)
• M13: 22,274,225 km (0.117 R)
• M14: 24,147,191 km (0.063 R)
• M15: 27,529,748 km (0.082 R)
• M16: 28,593,239 km (0.115 R)
• M17: 29,383,715 km (0.103 R)
• M18: 34,880,988 km (0.073 R)
• M19: 40,777,687 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.2

Radius: 4.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.01 AU - 7.37 AU

Year: 10630 Days

Day: 23.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,949,096 km

• M1: 54,753 km (0.084 R)
• M2: 232,625 km (0.05 R)
• M3: 611,257 km (0.054 R)
• M4: 1,019,509 km (0.064 R)
• M5: 1,418,637 km (0.089 R)
• M6: 1,903,035 km (0.099 R)
• M7: 5,736,031 km (0.1 R)
• M8: 6,147,276 km (0.107 R)
• M9: 6,999,385 km (0.088 R)
• M10: 7,408,984 km (0.116 R)
• M11: 7,589,250 km (0.089 R)
• M12: 8,733,524 km (0.096 R)
• M13: 9,843,091 km (0.073 R)
• M14: 12,805,727 km (0.118 R)
• M15: 15,467,821 km (0.104 R)
• M16: 15,911,379 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.3

Radius: 7.8

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.47 AU - 10.91 AU

Year: 22453 Days

Day: 17.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,949,096 km

• M1: 97,089 km (0.101 R)
• M2: 557,102 km (0.098 R)
• M3: 1,178,083 km (0.095 R)
• M4: 2,153,910 km (0.083 R)
• M5: 3,175,364 km (0.059 R)
• M6: 4,038,694 km (0.098 R)
• M7: 4,417,625 km (0.104 R)
• M8: 4,745,244 km (0.088 R)
• M9: 6,679,844 km (0.113 R)
• M10: 7,614,232 km (0.107 R)
• M11: 8,302,083 km (0.056 R)
• M12: 8,745,492 km (0.067 R)
• M13: 9,146,414 km (0.026 R)
• M14: 10,296,373 km (0.09 R)
• M15: 13,175,832 km (0.086 R)
• M16: 14,401,189 km (0.115 R)
• M17: 17,703,562 km (0.099 R)
• M18: 23,939,250 km (0.111 R)
• M19: 29,032,608 km (0.119 R)
• M20: 34,096,945 km (0.034 R)
• M21: 34,804,244 km (0.111 R)
• M22: 38,184,408 km (0.045 R)
• M23: 38,793,869 km (0.054 R)
• M24: 41,456,263 km (0.12 R)
• M25: 47,843,194 km (0.118 R)
• M26: 49,087,250 km (0.062 R)
• M27: 53,326,255 km (0.091 R)
• M28: 56,218,581 km (0.045 R)
• M29: 57,007,111 km (0.062 R)
• M30: 57,803,121 km (0.092 R)
• M31: 67,053,356 km (0.116 R)
• M32: 71,565,826 km (0.086 R)
• M33: 79,942,409 km (0.093 R)
• M34: 81,944,627 km (0.087 R)
• M35: 84,494,224 km (0.129 R)
• M36: 85,269,290 km (0.068 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 17,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit