🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 12.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.6 AU - 0.88 AU

Year: 424 Days

Day: 10 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,067,663 km

• M1: 159,172 km (0.1 R)
• M2: 674,387 km (0.102 R)
• M3: 1,506,600 km (0.061 R)
• M4: 2,055,774 km (0.069 R)
• M5: 2,600,310 km (0.079 R)
• M6: 3,598,278 km (0.05 R)
• M7: 4,526,233 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 10.8

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.58 AU - 1.78 AU

Year: 1452 Days

Day: 13 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,067,663 km

• M1: 135,984 km (0.112 R)
• M2: 642,672 km (0.082 R)
• M3: 1,075,010 km (0.093 R)
• M4: 1,492,837 km (0.084 R)
• M5: 2,030,193 km (0.098 R)
• M6: 2,638,757 km (0.095 R)
• M7: 3,053,741 km (0.108 R)
• M8: 4,163,907 km (0.113 R)
• M9: 4,588,466 km (0.057 R)
• M10: 5,731,244 km (0.115 R)
• M11: 6,895,265 km (0.112 R)
• M12: 7,353,035 km (0.103 R)
• M13: 8,756,113 km (0.074 R)
• M14: 9,886,325 km (0.119 R)
• M15: 10,894,315 km (0.089 R)
• M16: 12,046,219 km (0.08 R)
• M17: 13,032,966 km (0.115 R)
• M18: 13,608,619 km (0.054 R)
• M19: 14,591,028 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 13.4

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.5 AU - 2.1 AU

Year: 1610 Days

Day: 10.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,067,663 km

• M1: 166,652 km (0.092 R)
• M2: 591,211 km (0.079 R)
• M3: 1,462,918 km (0.097 R)
• M4: 1,923,081 km (0.081 R)
• M5: 2,764,569 km (0.11 R)
• M6: 3,398,864 km (0.087 R)
• M7: 3,927,991 km (0.092 R)
• M8: 4,692,137 km (0.085 R)
• M9: 5,175,189 km (0.111 R)
• M10: 8,622,821 km (0.112 R)
• M11: 10,326,891 km (0.117 R)
• M12: 12,881,424 km (0.087 R)
• M13: 14,089,576 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 12.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.37 AU - 2.27 AU

Year: 1637 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,067,663 km

• M1: 151,842 km (0.074 R)
• M2: 582,833 km (0.103 R)
• M3: 977,472 km (0.108 R)
• M4: 1,827,488 km (0.089 R)
• M5: 3,247,471 km (0.098 R)
• M6: 3,787,369 km (0.084 R)
• M7: 4,421,664 km (0.085 R)
• M8: 5,283,348 km (0.074 R)
• M9: 5,989,749 km (0.065 R)
• M10: 6,456,794 km (0.063 R)
• M11: 7,796,891 km (0.116 R)
• M12: 11,053,487 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.1

Radius: 10.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.04 AU - 2.58 AU

Year: 2341 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,067,663 km

• M1: 125,662 km (0.076 R)
• M2: 676,182 km (0.059 R)
• M3: 1,159,234 km (0.102 R)
• M4: 1,592,320 km (0.072 R)
• M5: 1,909,318 km (0.091 R)
• M6: 2,281,816 km (0.081 R)
• M7: 2,645,788 km (0.097 R)
• M8: 3,509,267 km (0.111 R)
• M9: 3,903,457 km (0.072 R)
• M10: 4,633,345 km (0.051 R)
• M11: 4,976,074 km (0.098 R)
• M12: 6,815,529 km (0.103 R)
• M13: 7,231,711 km (0.063 R)
• M14: 7,664,946 km (0.038 R)
• M15: 8,583,327 km (0.113 R)
• M16: 10,528,249 km (0.055 R)
• M17: 12,178,164 km (0.084 R)
• M18: 14,485,711 km (0.114 R)
• M19: 14,943,032 km (0.119 R)
• M20: 15,315,830 km (0.096 R)
• M21: 16,177,215 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.7

Radius: 8.6

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.21 AU - 3.81 AU

Year: 4385 Days

Day: 8.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,067,663 km

• M1: 111,750 km (0.11 R)
• M2: 467,344 km (0.091 R)
• M3: 761,902 km (0.103 R)
• M4: 1,065,735 km (0.049 R)
• M5: 1,451,399 km (0.047 R)
• M6: 1,901,688 km (0.08 R)
• M7: 2,846,249 km (0.116 R)
• M8: 3,139,461 km (0.106 R)
• M9: 3,808,911 km (0.069 R)
• M10: 4,097,486 km (0.086 R)
• M11: 6,392,317 km (0.057 R)
• M12: 6,930,720 km (0.108 R)
• M13: 9,593,113 km (0.106 R)
• M14: 11,083,856 km (0.075 R)
• M15: 11,445,135 km (0.065 R)
• M16: 12,049,211 km (0.079 R)
• M17: 13,320,643 km (0.063 R)
• M18: 16,013,405 km (0.101 R)
• M19: 16,709,933 km (0.086 R)
• M20: 18,857,111 km (0.067 R)
• M21: 20,634,334 km (0.113 R)
• M22: 25,132,891 km (0.115 R)
• M23: 25,600,235 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.3

Radius: 12.5

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.66 AU - 4.8 AU

Year: 5801 Days

Day: 15 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,067,663 km

• M1: 158,125 km (0.093 R)
• M2: 1,658,592 km (0.104 R)
• M3: 2,087,189 km (0.077 R)
• M4: 2,501,127 km (0.041 R)
• M5: 4,526,383 km (0.097 R)
• M6: 5,347,525 km (0.038 R)
• M7: 5,841,797 km (0.076 R)
• M8: 6,468,163 km (0.103 R)
• M9: 7,248,914 km (0.062 R)
• M10: 8,495,813 km (0.036 R)
• M11: 9,744,955 km (0.097 R)
• M12: 10,203,024 km (0.051 R)
• M13: 11,162,395 km (0.108 R)
• M14: 13,880,738 km (0.036 R)
• M15: 15,547,557 km (0.071 R)
• M16: 16,493,464 km (0.092 R)
• M17: 17,344,078 km (0.076 R)
• M18: 22,593,467 km (0.108 R)
• M19: 23,154,459 km (0.107 R)
• M20: 26,628,571 km (0.088 R)
• M21: 27,435,202 km (0.051 R)
• M22: 29,286,177 km (0.098 R)
• M23: 31,615,565 km (0.099 R)
• M24: 33,961,409 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.1

Radius: 3.5

Gravity: 38.13 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.18 AU - 8.94 AU

Year: 16701 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,067,663 km

• M1: 65,673 km (0.09 R)
• M2: 1,969,905 km (0.083 R)
• M3: 2,743,625 km (0.102 R)
• M4: 3,351,591 km (0.08 R)
• M5: 5,596,756 km (0.115 R)
• M6: 6,730,408 km (0.099 R)
• M7: 6,982,780 km (0.071 R)
• M8: 9,970,997 km (0.077 R)
• M9: 14,462,524 km (0.072 R)
• M10: 14,671,512 km (0.11 R)
• M11: 15,095,472 km (0.098 R)
• M12: 15,600,365 km (0.071 R)
• M13: 15,746,672 km (0.099 R)
• M14: 21,193,979 km (0.078 R)
• M15: 21,373,497 km (0.057 R)
• M16: 21,644,718 km (0.058 R)
• M17: 24,681,106 km (0.091 R)
• M18: 26,611,965 km (0.096 R)
• M19: 30,771,085 km (0.081 R)
• M20: 34,221,859 km (0.111 R)
• M21: 36,746,473 km (0.118 R)
• M22: 44,030,842 km (0.117 R)
• M23: 44,323,156 km (0.064 R)
• M24: 45,654,428 km (0.089 R)
• M25: 50,924,162 km (0.099 R)
• M26: 51,569,528 km (0.118 R)
• M27: 51,731,841 km (0.087 R)
• M28: 55,556,909 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.9

Radius: 5.1

Gravity: 26.99 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.12 AU - 9.22 AU

Year: 18518 Days

Day: 19.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,067,663 km

• M1: 64,776 km (0.102 R)
• M2: 234,719 km (0.067 R)
• M3: 396,434 km (0.074 R)
• M4: 757,115 km (0.117 R)
• M5: 1,284,896 km (0.081 R)
• M6: 2,170,067 km (0.065 R)
• M7: 2,874,822 km (0.088 R)
• M8: 3,053,143 km (0.103 R)
• M9: 4,121,870 km (0.103 R)
• M10: 4,864,324 km (0.086 R)
• M11: 6,966,922 km (0.108 R)
• M12: 8,165,650 km (0.054 R)
• M13: 9,164,216 km (0.103 R)
• M14: 9,495,874 km (0.075 R)
• M15: 10,538,721 km (0.026 R)
• M16: 11,087,745 km (0.066 R)
• M17: 13,689,252 km (0.032 R)
• M18: 21,186,050 km (0.079 R)
• M19: 21,668,204 km (0.116 R)
• M20: 22,059,253 km (0.054 R)
• M21: 26,453,541 km (0.07 R)
• M22: 27,125,385 km (0.107 R)
• M23: 27,351,876 km (0.06 R)
• M24: 31,521,917 km (0.104 R)
• M25: 35,688,068 km (0.08 R)
• M26: 38,470,140 km (0.032 R)
• M27: 40,060,066 km (0.084 R)
• M28: 44,618,313 km (0.065 R)
• M29: 44,933,964 km (0.059 R)
• M30: 47,185,113 km (0.091 R)
• M31: 48,838,319 km (0.113 R)
• M32: 53,494,254 km (0.062 R)
• M33: 55,655,345 km (0.07 R)
• M34: 56,942,335 km (0.093 R)
• M35: 58,815,300 km (0.102 R)
• M36: 59,575,856 km (0.066 R)
• M37: 68,798,714 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.5

Radius: 4.2

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.8 AU - 12.76 AU

Year: 21980 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,067,663 km

• M1: 52,210 km (0.072 R)
• M2: 346,768 km (0.112 R)
• M3: 504,145 km (0.054 R)
• M4: 735,423 km (0.071 R)
• M5: 886,068 km (0.037 R)
• M6: 1,276,519 km (0.08 R)
• M7: 2,509,953 km (0.093 R)
• M8: 2,722,232 km (0.08 R)
• M9: 2,900,703 km (0.093 R)
• M10: 3,381,211 km (0.097 R)
• M11: 3,613,985 km (0.045 R)
• M12: 4,407,004 km (0.051 R)
• M13: 4,716,522 km (0.115 R)
• M14: 5,588,976 km (0.11 R)
• M15: 6,214,595 km (0.071 R)
• M16: 6,368,232 km (0.114 R)
• M17: 8,510,623 km (0.091 R)
• M18: 9,487,497 km (0.106 R)
• M19: 11,487,770 km (0.1 R)
• M20: 12,373,090 km (0.115 R)
• M21: 16,517,251 km (0.09 R)
• M22: 18,029,236 km (0.116 R)
• M23: 20,045,815 km (0.05 R)
• M24: 22,477,379 km (0.111 R)
• M25: 22,658,243 km (0.085 R)
• M26: 27,090,529 km (0.105 R)
• M27: 28,020,429 km (0.102 R)
• M28: 31,725,669 km (0.1 R)
• M29: 36,987,924 km (0.075 R)
• M30: 41,976,415 km (0.081 R)
• M31: 42,526,187 km (0.11 R)
• M32: 42,802,943 km (0.047 R)
• M33: 43,359,896 km (0.12 R)
• M34: 47,098,795 km (0.081 R)
• M35: 47,692,400 km (0.077 R)
• M36: 49,503,282 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 18,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit