🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.3

Radius: 8.7

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.49 AU - 0.65 AU

Year: 297 Days

Day: 10.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,433,421 km

• M1: 108,159 km (0.03 R)
• M2: 396,434 km (0.046 R)
• M3: 682,465 km (0.083 R)
• M4: 962,812 km (0.091 R)
• M5: 1,247,945 km (0.084 R)
• M6: 1,685,370 km (0.044 R)
• M7: 2,114,865 km (0.051 R)
• M8: 2,422,588 km (0.053 R)
• M9: 2,879,909 km (0.111 R)
• M10: 3,150,980 km (0.095 R)
• M11: 3,867,404 km (0.104 R)
• M12: 4,632,148 km (0.096 R)
• M13: 5,080,344 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.4

Radius: 8

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.77 AU - 0.89 AU

Year: 522 Days

Day: 8.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,433,421 km

• M1: 99,931 km (0.032 R)
• M2: 613,351 km (0.116 R)
• M3: 879,635 km (0.112 R)
• M4: 1,237,174 km (0.117 R)
• M5: 1,760,917 km (0.112 R)
• M6: 2,278,226 km (0.089 R)
• M7: 2,630,679 km (0.114 R)
• M8: 2,904,293 km (0.053 R)
• M9: 3,307,310 km (0.085 R)
• M10: 4,023,584 km (0.079 R)
• M11: 4,284,184 km (0.076 R)
• M12: 4,540,595 km (0.085 R)
• M13: 5,134,648 km (0.085 R)
• M14: 5,962,373 km (0.073 R)
• M15: 6,282,811 km (0.068 R)
• M16: 6,876,416 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 14.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.72 AU - 0.98 AU

Year: 541 Days

Day: 9.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 75.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,433,421 km

• M1: 198,666 km (0.079 R)
• M2: 848,669 km (0.098 R)
• M3: 1,397,095 km (0.114 R)
• M4: 1,849,329 km (0.091 R)
• M5: 2,772,497 km (0.102 R)
• M6: 3,402,454 km (0.048 R)
• M7: 4,041,686 km (0.025 R)
• M8: 4,665,958 km (0.058 R)
• M9: 5,167,410 km (0.091 R)
• M10: 5,669,311 km (0.06 R)
• M11: 6,913,965 km (0.054 R)

Asteroid Belt

Center: 1.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.5

Radius: 10.1

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.23 AU - 1.69 AU

Year: 1218 Days

Day: 5.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,433,421 km

• M1: 125,961 km (0.056 R)
• M2: 677,080 km (0.096 R)
• M3: 1,097,151 km (0.034 R)
• M4: 1,487,751 km (0.102 R)
• M5: 1,821,803 km (0.078 R)
• M6: 2,140,297 km (0.1 R)
• M7: 3,241,786 km (0.079 R)
• M8: 3,619,520 km (0.117 R)
• M9: 4,779,802 km (0.106 R)
• M10: 5,190,298 km (0.112 R)
• M11: 7,503,380 km (0.081 R)
• M12: 7,817,686 km (0.093 R)
• M13: 10,658,848 km (0.099 R)
• M14: 11,090,438 km (0.107 R)
• M15: 11,637,368 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 9.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.76 AU - 2.04 AU

Year: 1808 Days

Day: 6 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,433,421 km

• M1: 118,182 km (0.092 R)
• M2: 425,606 km (0.085 R)
• M3: 839,842 km (0.032 R)
• M4: 1,257,071 km (0.096 R)
• M5: 1,838,408 km (0.058 R)
• M6: 2,234,693 km (0.11 R)
• M7: 2,851,934 km (0.102 R)
• M8: 3,609,049 km (0.077 R)
• M9: 3,905,402 km (0.064 R)
• M10: 4,637,235 km (0.043 R)
• M11: 5,141,679 km (0.083 R)
• M12: 5,538,562 km (0.102 R)
• M13: 5,934,548 km (0.079 R)
• M14: 9,143,123 km (0.1 R)
• M15: 9,756,923 km (0.028 R)
• M16: 10,058,662 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.6

Radius: 13.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.06 AU - 3.74 AU

Year: 4327 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 118 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,433,421 km

• M1: 166,652 km (0.106 R)
• M2: 583,581 km (0.085 R)
• M3: 1,131,558 km (0.103 R)
• M4: 1,829,133 km (0.06 R)
• M5: 2,650,425 km (0.103 R)
• M6: 3,364,905 km (0.115 R)
• M7: 3,960,604 km (0.072 R)
• M8: 5,101,587 km (0.091 R)
• M9: 6,181,384 km (0.113 R)
• M10: 6,854,724 km (0.1 R)
• M11: 8,348,608 km (0.062 R)
• M12: 8,791,418 km (0.106 R)
• M13: 9,927,016 km (0.095 R)
• M14: 12,922,264 km (0.101 R)
• M15: 14,128,322 km (0.064 R)
• M16: 14,705,620 km (0.087 R)
• M17: 15,408,132 km (0.101 R)
• M18: 16,246,329 km (0.039 R)
• M19: 16,705,744 km (0.105 R)
• M20: 17,650,604 km (0.074 R)
• M21: 18,881,495 km (0.028 R)
• M22: 20,102,962 km (0.104 R)
• M23: 22,917,646 km (0.116 R)
• M24: 24,531,657 km (0.114 R)
• M25: 25,137,080 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.1

Radius: 9.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.61 AU - 5.87 AU

Year: 8280 Days

Day: 9 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,433,421 km

• M1: 116,836 km (0.083 R)
• M2: 648,956 km (0.107 R)
• M3: 970,142 km (0.111 R)
• M4: 1,546,393 km (0.108 R)
• M5: 2,546,904 km (0.114 R)
• M6: 2,840,864 km (0.107 R)
• M7: 3,157,712 km (0.086 R)
• M8: 4,595,048 km (0.109 R)
• M9: 5,416,191 km (0.106 R)
• M10: 5,730,047 km (0.114 R)
• M11: 7,042,320 km (0.058 R)
• M12: 10,163,979 km (0.073 R)
• M13: 11,320,370 km (0.112 R)
• M14: 11,882,858 km (0.039 R)
• M15: 14,812,284 km (0.092 R)
• M16: 16,592,349 km (0.049 R)
• M17: 20,918,569 km (0.086 R)
• M18: 25,701,961 km (0.025 R)
• M19: 27,921,994 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.1

Radius: 4.7

Gravity: 24.45 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.98 AU - 8.1 AU

Year: 12893 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,433,421 km

• M1: 58,493 km (0.097 R)
• M2: 235,317 km (0.088 R)
• M3: 384,915 km (0.114 R)
• M4: 543,788 km (0.068 R)
• M5: 704,307 km (0.062 R)
• M6: 1,208,751 km (0.096 R)
• M7: 1,390,063 km (0.082 R)
• M8: 1,545,196 km (0.108 R)
• M9: 2,210,159 km (0.116 R)
• M10: 2,544,211 km (0.103 R)
• M11: 2,691,116 km (0.098 R)
• M12: 2,888,585 km (0.105 R)
• M13: 3,287,862 km (0.071 R)
• M14: 4,552,562 km (0.041 R)
• M15: 5,360,989 km (0.104 R)
• M16: 5,745,456 km (0.109 R)
• M17: 6,337,115 km (0.059 R)
• M18: 6,569,142 km (0.117 R)
• M19: 9,113,502 km (0.104 R)
• M20: 10,072,125 km (0.087 R)
• M21: 10,229,353 km (0.086 R)
• M22: 11,376,619 km (0.088 R)
• M23: 15,959,699 km (0.052 R)
• M24: 16,389,494 km (0.112 R)
• M25: 16,607,159 km (0.085 R)
• M26: 16,753,466 km (0.07 R)
• M27: 19,131,473 km (0.105 R)
• M28: 20,949,387 km (0.088 R)
• M29: 22,699,083 km (0.087 R)
• M30: 24,261,035 km (0.074 R)
• M31: 27,088,584 km (0.047 R)
• M32: 33,971,881 km (0.089 R)
• M33: 38,897,541 km (0.055 R)
• M34: 51,987,354 km (0.09 R)
• M35: 52,457,541 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.7

Radius: 5.8

Gravity: 23.95 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.21 AU - 7.99 AU

Year: 14462 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,433,421 km

• M1: 72,854 km (0.038 R)
• M2: 265,087 km (0.082 R)
• M3: 645,365 km (0.113 R)
• M4: 868,864 km (0.109 R)
• M5: 1,552,676 km (0.078 R)
• M6: 1,997,730 km (0.067 R)
• M7: 2,230,055 km (0.079 R)
• M8: 2,963,833 km (0.11 R)
• M9: 3,241,038 km (0.11 R)
• M10: 3,876,829 km (0.059 R)
• M11: 4,397,729 km (0.062 R)
• M12: 4,625,267 km (0.082 R)
• M13: 4,929,549 km (0.098 R)
• M14: 5,540,507 km (0.102 R)
• M15: 6,955,403 km (0.025 R)
• M16: 7,309,950 km (0.04 R)
• M17: 7,629,791 km (0.095 R)
• M18: 7,864,061 km (0.117 R)
• M19: 10,650,620 km (0.09 R)
• M20: 11,729,819 km (0.068 R)
• M21: 13,687,008 km (0.109 R)
• M22: 15,180,145 km (0.115 R)
• M23: 15,401,998 km (0.072 R)
• M24: 20,305,817 km (0.106 R)
• M25: 24,601,071 km (0.1 R)
• M26: 24,804,973 km (0.089 R)
• M27: 25,216,067 km (0.091 R)
• M28: 27,999,485 km (0.108 R)
• M29: 29,122,367 km (0.038 R)
• M30: 29,579,987 km (0.085 R)
• M31: 33,413,881 km (0.115 R)
• M32: 39,905,980 km (0.085 R)
• M33: 41,040,081 km (0.103 R)
• M34: 56,722,127 km (0.103 R)
• M35: 59,062,287 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.6

Radius: 4.9

Gravity: 16.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.4 AU - 11.48 AU

Year: 21632 Days

Day: 15.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,433,421 km

• M1: 70,461 km (0.106 R)
• M2: 397,781 km (0.102 R)
• M3: 641,326 km (0.081 R)
• M4: 880,683 km (0.041 R)
• M5: 1,401,882 km (0.12 R)
• M6: 1,991,297 km (0.086 R)
• M7: 3,445,987 km (0.025 R)
• M8: 3,965,840 km (0.108 R)
• M9: 4,503,494 km (0.107 R)
• M10: 4,876,292 km (0.099 R)
• M11: 6,365,389 km (0.088 R)
• M12: 6,878,660 km (0.112 R)
• M13: 7,558,432 km (0.037 R)
• M14: 8,533,063 km (0.065 R)
• M15: 12,147,945 km (0.106 R)
• M16: 12,472,274 km (0.09 R)
• M17: 13,757,619 km (0.116 R)
• M18: 15,656,016 km (0.044 R)
• M19: 16,907,252 km (0.102 R)
• M20: 27,583,903 km (0.062 R)
• M21: 30,105,225 km (0.107 R)
• M22: 33,026,572 km (0.091 R)
• M23: 38,583,684 km (0.098 R)
• M24: 41,436,067 km (0.12 R)
• M25: 46,287,077 km (0.047 R)
• M26: 46,602,280 km (0.104 R)
• M27: 48,038,419 km (0.101 R)
• M28: 48,361,401 km (0.065 R)
• M29: 48,848,791 km (0.056 R)
• M30: 49,503,581 km (0.109 R)
• M31: 52,011,589 km (0.11 R)
• M32: 55,308,128 km (0.118 R)
• M33: 55,485,401 km (0.12 R)
• M34: 56,736,788 km (0.044 R)
• M35: 59,667,859 km (0.033 R)
• M36: 63,277,506 km (0.065 R)
• M37: 67,433,484 km (0.069 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: 175 - 19,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit