🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702

Radius: 10.1

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.83 AU - 0.89 AU

Year: 532 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,605,856 km

• M1: 125,662 km (0.092 R)
• M2: 482,154 km (0.089 R)
• M3: 994,826 km (0.07 R)
• M4: 1,407,716 km (0.114 R)
• M5: 1,827,188 km (0.112 R)
• M6: 2,253,692 km (0.114 R)
• M7: 2,608,837 km (0.091 R)
• M8: 3,260,486 km (0.04 R)
• M9: 3,730,672 km (0.103 R)
• M10: 4,666,406 km (0.083 R)
• M11: 5,016,316 km (0.089 R)
• M12: 5,556,813 km (0.111 R)
• M13: 6,154,307 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.9

Radius: 14.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.94 AU - 1 AU

Year: 637 Days

Day: 6 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,605,856 km

• M1: 190,139 km (0.045 R)
• M2: 716,275 km (0.049 R)
• M3: 1,490,593 km (0.111 R)
• M4: 2,008,052 km (0.039 R)
• M5: 2,800,023 km (0.044 R)
• M6: 3,638,370 km (0.103 R)
• M7: 4,501,400 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 9.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.23 AU - 3.09 AU

Year: 2893 Days

Day: 13.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,605,856 km

• M1: 120,576 km (0.077 R)
• M2: 610,659 km (0.096 R)
• M3: 1,275,920 km (0.101 R)
• M4: 1,953,748 km (0.096 R)
• M5: 2,429,469 km (0.061 R)
• M6: 3,343,213 km (0.09 R)
• M7: 4,865,671 km (0.086 R)
• M8: 5,439,827 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 9.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.27 AU - 3.13 AU

Year: 2959 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,605,856 km

• M1: 113,096 km (0.108 R)
• M2: 609,611 km (0.096 R)
• M3: 1,097,899 km (0.05 R)
• M4: 1,485,357 km (0.09 R)
• M5: 2,155,107 km (0.049 R)
• M6: 2,823,061 km (0.094 R)
• M7: 3,198,402 km (0.087 R)
• M8: 3,999,050 km (0.041 R)
• M9: 4,383,367 km (0.106 R)
• M10: 5,307,882 km (0.107 R)
• M11: 5,993,040 km (0.032 R)
• M12: 7,306,659 km (0.048 R)
• M13: 8,376,134 km (0.07 R)
• M14: 9,364,378 km (0.107 R)
• M15: 10,363,692 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 12.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.47 AU - 3.27 AU

Year: 3242 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,605,856 km

• M1: 153,637 km (0.104 R)
• M2: 631,303 km (0.1 R)
• M3: 1,703,172 km (0.115 R)
• M4: 2,114,566 km (0.044 R)
• M5: 2,578,918 km (0.117 R)
• M6: 3,160,105 km (0.053 R)
• M7: 3,553,249 km (0.084 R)
• M8: 4,629,456 km (0.071 R)
• M9: 6,927,279 km (0.067 R)
• M10: 8,697,171 km (0.092 R)
• M11: 10,450,309 km (0.085 R)
• M12: 11,213,707 km (0.107 R)
• M13: 12,470,030 km (0.097 R)
• M14: 13,683,568 km (0.106 R)
• M15: 14,411,511 km (0.071 R)
• M16: 16,905,307 km (0.106 R)
• M17: 17,796,911 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 8.6

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.36 AU - 5.38 AU

Year: 6092 Days

Day: 14.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,605,856 km

• M1: 106,962 km (0.046 R)
• M2: 388,356 km (0.074 R)
• M3: 690,993 km (0.078 R)
• M4: 990,637 km (0.094 R)
• M5: 1,602,193 km (0.11 R)
• M6: 1,985,014 km (0.04 R)
• M7: 2,410,620 km (0.086 R)
• M8: 2,836,824 km (0.093 R)
• M9: 5,959,979 km (0.08 R)
• M10: 7,138,960 km (0.12 R)
• M11: 7,437,707 km (0.084 R)
• M12: 10,853,026 km (0.06 R)
• M13: 11,449,922 km (0.058 R)
• M14: 12,332,699 km (0.105 R)
• M15: 12,927,650 km (0.07 R)
• M16: 14,588,036 km (0.092 R)
• M17: 16,972,626 km (0.084 R)
• M18: 17,573,262 km (0.078 R)
• M19: 19,897,714 km (0.108 R)
• M20: 21,867,918 km (0.113 R)
• M21: 24,047,858 km (0.111 R)
• M22: 24,551,255 km (0.101 R)
• M23: 27,446,572 km (0.106 R)
• M24: 28,367,047 km (0.119 R)
• M25: 29,118,029 km (0.063 R)
• M26: 33,280,141 km (0.089 R)
• M27: 35,937,148 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.8

Radius: 4.1

Gravity: 16.59 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.55 AU - 6.75 AU

Year: 10170 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,605,856 km

• M1: 51,013 km (0.089 R)
• M2: 256,710 km (0.099 R)
• M3: 631,901 km (0.096 R)
• M4: 772,972 km (0.078 R)
• M5: 1,099,096 km (0.053 R)
• M6: 1,271,133 km (0.097 R)
• M7: 2,364,245 km (0.112 R)
• M8: 3,169,829 km (0.1 R)
• M9: 3,452,569 km (0.114 R)
• M10: 6,624,942 km (0.07 R)
• M11: 6,906,634 km (0.102 R)
• M12: 7,684,095 km (0.076 R)
• M13: 9,411,052 km (0.035 R)
• M14: 10,317,765 km (0.112 R)
• M15: 10,648,376 km (0.112 R)
• M16: 11,182,291 km (0.081 R)
• M17: 13,665,317 km (0.093 R)
• M18: 13,835,260 km (0.096 R)
• M19: 14,588,036 km (0.094 R)
• M20: 15,245,968 km (0.117 R)
• M21: 17,604,229 km (0.057 R)
• M22: 19,903,249 km (0.041 R)
• M23: 20,341,570 km (0.079 R)
• M24: 20,711,825 km (0.077 R)
• M25: 21,162,115 km (0.059 R)
• M26: 23,592,781 km (0.079 R)
• M27: 24,166,190 km (0.114 R)
• M28: 29,657,479 km (0.12 R)
• M29: 30,037,906 km (0.108 R)
• M30: 32,590,046 km (0.078 R)
• M31: 33,096,883 km (0.116 R)
• M32: 34,859,445 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.1

Radius: 7.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.96 AU - 12.54 AU

Year: 21883 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,605,856 km

• M1: 90,956 km (0.041 R)
• M2: 396,584 km (0.072 R)
• M3: 715,975 km (0.103 R)
• M4: 968,347 km (0.096 R)
• M5: 1,348,326 km (0.115 R)
• M6: 2,641,599 km (0.09 R)
• M7: 3,994,862 km (0.086 R)
• M8: 6,179,738 km (0.109 R)
• M9: 7,259,835 km (0.115 R)
• M10: 8,411,888 km (0.081 R)
• M11: 9,365,724 km (0.111 R)
• M12: 12,467,935 km (0.062 R)
• M13: 15,309,547 km (0.074 R)
• M14: 17,905,070 km (0.102 R)
• M15: 23,948,525 km (0.082 R)
• M16: 29,732,726 km (0.085 R)
• M17: 30,875,654 km (0.113 R)
• M18: 34,729,894 km (0.112 R)
• M19: 37,032,953 km (0.093 R)
• M20: 38,088,366 km (0.032 R)
• M21: 38,489,288 km (0.096 R)
• M22: 39,299,660 km (0.067 R)
• M23: 44,549,648 km (0.099 R)
• M24: 48,663,140 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.8

Radius: 5.9

Gravity: 24.07 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.58 AU - 10.68 AU

Year: 23112 Days

Day: 19.7 Hours

Environment

Temp: -246 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,605,856 km

• M1: 73,453 km (0.109 R)
• M2: 369,507 km (0.118 R)
• M3: 631,153 km (0.044 R)
• M4: 879,037 km (0.114 R)
• M5: 1,406,220 km (0.113 R)
• M6: 2,145,981 km (0.034 R)
• M7: 2,818,873 km (0.095 R)
• M8: 3,062,568 km (0.051 R)
• M9: 3,530,659 km (0.114 R)
• M10: 3,912,134 km (0.028 R)
• M11: 4,499,006 km (0.062 R)
• M12: 4,870,757 km (0.076 R)
• M13: 5,064,187 km (0.109 R)
• M14: 6,065,146 km (0.109 R)
• M15: 6,334,722 km (0.082 R)
• M16: 7,493,956 km (0.079 R)
• M17: 9,309,625 km (0.102 R)
• M18: 12,445,795 km (0.06 R)
• M19: 18,555,073 km (0.08 R)
• M20: 18,837,962 km (0.102 R)
• M21: 19,509,208 km (0.091 R)
• M22: 20,596,036 km (0.053 R)
• M23: 23,433,908 km (0.062 R)
• M24: 24,547,963 km (0.052 R)
• M25: 25,696,725 km (0.083 R)
• M26: 25,930,846 km (0.117 R)
• M27: 43,053,370 km (0.099 R)
• M28: 43,881,992 km (0.114 R)
• M29: 46,953,236 km (0.115 R)
• M30: 52,197,689 km (0.103 R)
• M31: 66,436,414 km (0.093 R)
• M32: 66,877,429 km (0.084 R)
• M33: 68,660,636 km (0.089 R)
• M34: 78,792,002 km (0.11 R)
• M35: 80,530,179 km (0.067 R)
• M36: 80,780,457 km (0.088 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 15,925 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit