🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 9.9

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.61 AU - 0.99 AU

Year: 485 Days

Day: 6.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,139,772 km

• M1: 123,119 km (0.042 R)
• M2: 520,601 km (0.118 R)
• M3: 845,826 km (0.105 R)
• M4: 1,244,056 km (0.073 R)
• M5: 1,629,121 km (0.115 R)
• M6: 2,147,328 km (0.093 R)
• M7: 2,521,323 km (0.037 R)
• M8: 2,927,331 km (0.054 R)
• M9: 3,657,668 km (0.063 R)
• M10: 4,565,877 km (0.114 R)
• M11: 5,670,657 km (0.075 R)
• M12: 6,032,684 km (0.096 R)
• M13: 6,410,119 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 8.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.7 AU - 0.94 AU

Year: 504 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,139,772 km

• M1: 103,522 km (0.11 R)
• M2: 372,798 km (0.088 R)
• M3: 702,811 km (0.106 R)
• M4: 1,094,308 km (0.071 R)
• M5: 1,370,167 km (0.086 R)
• M6: 1,752,838 km (0.097 R)
• M7: 2,241,724 km (0.11 R)
• M8: 2,839,816 km (0.061 R)
• M9: 4,294,057 km (0.085 R)
• M10: 4,853,404 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 12.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.7 AU - 0.98 AU

Year: 522 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,139,772 km

• M1: 159,621 km (0.116 R)
• M2: 565,330 km (0.108 R)
• M3: 970,441 km (0.075 R)
• M4: 1,375,253 km (0.057 R)
• M5: 2,309,043 km (0.108 R)
• M6: 2,751,105 km (0.084 R)
• M7: 3,429,531 km (0.088 R)
• M8: 4,624,070 km (0.087 R)
• M9: 5,793,776 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.5

Radius: 10.4

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.78 AU - 1.12 AU

Year: 628 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,139,772 km

• M1: 129,402 km (0.069 R)
• M2: 570,267 km (0.102 R)
• M3: 1,037,910 km (0.03 R)
• M4: 1,570,778 km (0.112 R)
• M5: 2,180,389 km (0.098 R)
• M6: 3,240,439 km (0.103 R)
• M7: 3,755,655 km (0.111 R)
• M8: 4,516,360 km (0.062 R)
• M9: 4,899,330 km (0.068 R)
• M10: 5,285,891 km (0.117 R)
• M11: 5,636,100 km (0.081 R)
• M12: 6,281,315 km (0.094 R)
• M13: 6,696,001 km (0.106 R)
• M14: 7,173,068 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.6

Radius: 12.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.35 AU - 1.43 AU

Year: 1112 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,139,772 km

• M1: 160,369 km (0.085 R)
• M2: 645,814 km (0.078 R)
• M3: 1,072,318 km (0.086 R)
• M4: 1,587,981 km (0.065 R)
• M5: 2,008,052 km (0.059 R)
• M6: 2,552,439 km (0.089 R)
• M7: 3,601,569 km (0.106 R)
• M8: 4,043,481 km (0.025 R)
• M9: 4,614,346 km (0.072 R)
• M10: 5,057,455 km (0.076 R)
• M11: 5,656,894 km (0.109 R)
• M12: 6,142,937 km (0.104 R)
• M13: 8,457,665 km (0.111 R)
• M14: 8,888,657 km (0.036 R)
• M15: 9,364,677 km (0.092 R)
• M16: 10,174,600 km (0.042 R)
• M17: 11,269,058 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.4

Radius: 12.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.7 AU - 4.46 AU

Year: 4594 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,139,772 km

• M1: 155,432 km (0.114 R)
• M2: 585,676 km (0.12 R)
• M3: 1,051,523 km (0.072 R)
• M4: 1,613,263 km (0.044 R)
• M5: 3,067,056 km (0.11 R)
• M6: 3,535,297 km (0.097 R)
• M7: 4,187,843 km (0.054 R)
• M8: 4,817,051 km (0.078 R)
• M9: 5,208,250 km (0.099 R)
• M10: 6,796,830 km (0.065 R)
• M11: 8,094,292 km (0.088 R)
• M12: 8,802,040 km (0.066 R)
• M13: 10,643,440 km (0.033 R)
• M14: 13,430,298 km (0.079 R)
• M15: 14,104,386 km (0.083 R)
• M16: 15,296,233 km (0.058 R)
• M17: 16,262,485 km (0.045 R)
• M18: 20,402,307 km (0.093 R)
• M19: 26,142,826 km (0.05 R)
• M20: 27,688,621 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.5

Radius: 3.1

Gravity: 82.05 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 6.06 AU - 6.52 AU

Year: 10700 Days

Day: 21.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 58,139,772 km

• M1: 38,596 km (0.079 R)
• M2: 170,691 km (0.117 R)
• M3: 355,145 km (0.056 R)
• M4: 575,204 km (0.089 R)
• M5: 950,844 km (0.109 R)
• M6: 1,130,661 km (0.057 R)
• M7: 1,543,102 km (0.079 R)
• M8: 1,925,624 km (0.114 R)
• M9: 2,139,100 km (0.118 R)
• M10: 3,177,608 km (0.067 R)
• M11: 3,552,800 km (0.105 R)
• M12: 3,818,934 km (0.094 R)
• M13: 4,213,723 km (0.099 R)
• M14: 4,420,916 km (0.113 R)
• M15: 5,116,696 km (0.059 R)
• M16: 5,631,013 km (0.116 R)
• M17: 6,922,791 km (0.119 R)
• M18: 7,253,103 km (0.11 R)
• M19: 7,593,887 km (0.095 R)
• M20: 8,445,997 km (0.072 R)
• M21: 8,967,345 km (0.061 R)
• M22: 10,823,556 km (0.099 R)
• M23: 11,211,912 km (0.103 R)
• M24: 11,609,692 km (0.091 R)
• M25: 12,982,402 km (0.082 R)
• M26: 13,169,101 km (0.037 R)
• M27: 14,261,015 km (0.094 R)
• M28: 15,135,714 km (0.104 R)
• M29: 19,072,681 km (0.071 R)
• M30: 21,577,698 km (0.094 R)
• M31: 22,015,571 km (0.117 R)
• M32: 22,459,128 km (0.066 R)
• M33: 22,818,462 km (0.041 R)
• M34: 23,548,350 km (0.095 R)
• M35: 24,387,894 km (0.09 R)
• M36: 27,330,334 km (0.116 R)
• M37: 30,391,256 km (0.046 R)
• M38: 32,060,768 km (0.072 R)
• M39: 35,580,956 km (0.048 R)
• M40: 36,933,620 km (0.087 R)
• M41: 50,070,557 km (0.096 R)
• M42: 50,683,310 km (0.112 R)
• M43: 50,991,481 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.1

Radius: 3.3

Gravity: 43.9 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.62 AU - 7.46 AU

Year: 11344 Days

Day: 19.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,139,772 km

• M1: 47,871 km (0.098 R)
• M2: 241,152 km (0.046 R)
• M3: 383,719 km (0.118 R)
• M4: 581,487 km (0.064 R)
• M5: 1,144,723 km (0.112 R)
• M6: 1,485,208 km (0.043 R)
• M7: 2,438,894 km (0.06 R)
• M8: 4,085,368 km (0.113 R)
• M9: 4,393,390 km (0.092 R)
• M10: 4,509,179 km (0.108 R)
• M11: 4,838,294 km (0.084 R)
• M12: 5,543,947 km (0.095 R)
• M13: 6,688,970 km (0.096 R)
• M14: 8,419,069 km (0.085 R)
• M15: 9,823,195 km (0.106 R)
• M16: 10,273,035 km (0.108 R)
• M17: 14,062,798 km (0.116 R)
• M18: 17,143,916 km (0.116 R)
• M19: 19,146,882 km (0.101 R)
• M20: 26,080,743 km (0.081 R)
• M21: 40,793,245 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.8

Radius: 3.7

Gravity: 62 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.44 AU - 8.02 AU

Year: 11842 Days

Day: 24.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,139,772 km

• M1: 51,312 km (0.12 R)
• M2: 169,644 km (0.096 R)
• M3: 527,632 km (0.115 R)
• M4: 978,520 km (0.081 R)
• M5: 1,142,030 km (0.069 R)
• M6: 1,323,642 km (0.1 R)
• M7: 1,862,942 km (0.084 R)
• M8: 2,004,462 km (0.102 R)
• M9: 2,600,310 km (0.068 R)
• M10: 3,814,596 km (0.061 R)
• M11: 4,102,123 km (0.059 R)
• M12: 4,281,491 km (0.092 R)
• M13: 6,374,066 km (0.071 R)
• M14: 7,417,511 km (0.1 R)
• M15: 8,095,489 km (0.113 R)
• M16: 8,283,085 km (0.041 R)
• M17: 8,521,544 km (0.118 R)
• M18: 9,573,665 km (0.109 R)
• M19: 11,049,598 km (0.075 R)
• M20: 11,164,639 km (0.077 R)
• M21: 11,397,114 km (0.069 R)
• M22: 11,573,490 km (0.098 R)
• M23: 12,860,031 km (0.08 R)
• M24: 13,115,395 km (0.065 R)
• M25: 15,931,874 km (0.052 R)
• M26: 16,449,782 km (0.119 R)
• M27: 20,136,322 km (0.093 R)
• M28: 26,026,888 km (0.112 R)
• M29: 27,056,420 km (0.036 R)
• M30: 27,370,426 km (0.104 R)
• M31: 29,086,613 km (0.115 R)
• M32: 32,969,127 km (0.084 R)
• M33: 34,051,767 km (0.115 R)
• M34: 34,540,503 km (0.028 R)
• M35: 35,157,893 km (0.083 R)
• M36: 48,483,623 km (0.1 R)
• M37: 54,239,251 km (0.119 R)
• M38: 55,240,809 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.7

Radius: 5.3

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.8 AU - 8.2 AU

Year: 12561 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,139,772 km

• M1: 65,973 km (0.113 R)
• M2: 317,447 km (0.085 R)
• M3: 537,505 km (0.059 R)
• M4: 736,321 km (0.071 R)
• M5: 909,555 km (0.094 R)
• M6: 1,074,861 km (0.076 R)
• M7: 1,286,841 km (0.115 R)
• M8: 1,541,756 km (0.077 R)
• M9: 1,812,827 km (0.095 R)
• M10: 2,249,204 km (0.032 R)
• M11: 2,913,119 km (0.066 R)
• M12: 5,080,643 km (0.086 R)
• M13: 5,464,511 km (0.046 R)
• M14: 6,018,622 km (0.098 R)
• M15: 7,456,556 km (0.12 R)
• M16: 9,312,467 km (0.111 R)
• M17: 10,540,217 km (0.092 R)
• M18: 12,237,255 km (0.057 R)
• M19: 13,443,014 km (0.112 R)
• M20: 14,449,210 km (0.083 R)
• M21: 15,361,158 km (0.114 R)
• M22: 15,867,697 km (0.104 R)
• M23: 16,761,843 km (0.094 R)
• M24: 21,832,313 km (0.118 R)
• M25: 22,288,288 km (0.043 R)
• M26: 22,937,243 km (0.11 R)
• M27: 26,785,648 km (0.097 R)
• M28: 30,700,625 km (0.11 R)
• M29: 33,633,192 km (0.094 R)
• M30: 36,236,344 km (0.112 R)
• M31: 43,254,130 km (0.092 R)
• M32: 46,028,722 km (0.079 R)
• M33: 47,383,330 km (0.037 R)
• M34: 53,726,729 km (0.087 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 19,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit