🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.1

Radius: 8.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 13.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,866,721 km

• M1: 106,962 km (0.111 R)
• M2: 376,987 km (0.069 R)
• M3: 809,474 km (0.078 R)
• M4: 1,232,986 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.8

Radius: 8.5

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.3 AU - 2.98 AU

Year: 2860 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,866,721 km

• M1: 105,766 km (0.073 R)
• M2: 392,246 km (0.12 R)
• M3: 1,064,688 km (0.046 R)
• M4: 1,385,127 km (0.041 R)
• M5: 1,930,561 km (0.118 R)
• M6: 2,740,334 km (0.116 R)
• M7: 3,150,232 km (0.119 R)
• M8: 3,426,838 km (0.032 R)
• M9: 4,915,936 km (0.119 R)
• M10: 6,555,229 km (0.081 R)
• M11: 6,855,173 km (0.06 R)
• M12: 8,216,513 km (0.074 R)
• M13: 9,218,819 km (0.113 R)
• M14: 10,340,654 km (0.058 R)
• M15: 11,464,582 km (0.102 R)
• M16: 13,323,934 km (0.036 R)
• M17: 15,693,116 km (0.119 R)
• M18: 17,401,075 km (0.085 R)
• M19: 18,270,538 km (0.044 R)
• M20: 19,107,837 km (0.106 R)
• M21: 20,033,100 km (0.062 R)
• M22: 20,348,003 km (0.087 R)
• M23: 21,117,535 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.5

Radius: 10.7

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.64 AU - 2.92 AU

Year: 3091 Days

Day: 14.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,866,721 km

• M1: 135,685 km (0.047 R)
• M2: 469,289 km (0.079 R)
• M3: 836,701 km (0.067 R)
• M4: 1,211,743 km (0.114 R)
• M5: 2,873,027 km (0.097 R)
• M6: 3,692,075 km (0.092 R)
• M7: 4,683,909 km (0.076 R)
• M8: 5,026,339 km (0.082 R)
• M9: 5,789,288 km (0.059 R)
• M10: 7,812,749 km (0.096 R)
• M11: 9,361,236 km (0.114 R)
• M12: 10,309,687 km (0.06 R)
• M13: 11,148,033 km (0.076 R)
• M14: 11,716,954 km (0.046 R)
• M15: 12,259,097 km (0.104 R)
• M16: 13,491,334 km (0.115 R)
• M17: 13,986,653 km (0.081 R)
• M18: 14,597,012 km (0.08 R)
• M19: 18,517,673 km (0.086 R)
• M20: 21,984,604 km (0.047 R)
• M21: 23,442,435 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 10.4

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.01 AU - 3.43 AU

Year: 3853 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,866,721 km

• M1: 129,402 km (0.114 R)
• M2: 2,131,022 km (0.118 R)
• M3: 2,526,558 km (0.047 R)
• M4: 3,066,158 km (0.115 R)
• M5: 3,665,447 km (0.088 R)
• M6: 4,411,492 km (0.12 R)
• M7: 5,622,187 km (0.059 R)
• M8: 6,897,210 km (0.093 R)
• M9: 8,301,335 km (0.097 R)
• M10: 9,201,316 km (0.107 R)
• M11: 11,161,348 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330

Radius: 12.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.68 AU - 3.76 AU

Year: 3853 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,866,721 km

• M1: 157,975 km (0.084 R)
• M2: 639,381 km (0.118 R)
• M3: 1,078,900 km (0.117 R)
• M4: 2,168,272 km (0.025 R)
• M5: 2,595,822 km (0.071 R)
• M6: 3,130,036 km (0.079 R)
• M7: 3,661,707 km (0.115 R)
• M8: 4,485,842 km (0.058 R)
• M9: 7,074,483 km (0.094 R)
• M10: 7,494,853 km (0.082 R)
• M11: 8,286,974 km (0.082 R)
• M12: 11,081,163 km (0.108 R)
• M13: 11,649,635 km (0.064 R)
• M14: 12,538,546 km (0.094 R)
• M15: 14,692,007 km (0.072 R)
• M16: 15,180,145 km (0.067 R)
• M17: 16,086,259 km (0.117 R)
• M18: 18,509,445 km (0.074 R)
• M19: 19,837,725 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.4

Radius: 14.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.38 AU - 3.38 AU

Year: 4144 Days

Day: 9.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,866,721 km

• M1: 184,305 km (0.107 R)
• M2: 771,027 km (0.109 R)
• M3: 1,383,780 km (0.115 R)
• M4: 1,980,077 km (0.112 R)
• M5: 2,906,537 km (0.09 R)
• M6: 3,667,841 km (0.077 R)
• M7: 4,717,419 km (0.111 R)
• M8: 5,263,601 km (0.073 R)
• M9: 5,852,119 km (0.075 R)
• M10: 6,315,274 km (0.11 R)
• M11: 7,101,411 km (0.066 R)
• M12: 7,661,057 km (0.072 R)
• M13: 11,244,225 km (0.118 R)
• M14: 12,093,641 km (0.084 R)
• M15: 13,494,177 km (0.079 R)
• M16: 15,051,042 km (0.061 R)
• M17: 16,616,583 km (0.049 R)
• M18: 19,463,581 km (0.112 R)
• M19: 20,131,086 km (0.091 R)
• M20: 20,688,638 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.2

Radius: 14.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.55 AU - 4.57 AU

Year: 6493 Days

Day: 9 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,866,721 km

• M1: 189,241 km (0.069 R)
• M2: 1,355,806 km (0.067 R)
• M3: 2,011,493 km (0.069 R)
• M4: 2,687,675 km (0.042 R)
• M5: 3,646,897 km (0.111 R)
• M6: 5,546,790 km (0.108 R)
• M7: 6,078,760 km (0.073 R)
• M8: 8,315,398 km (0.064 R)
• M9: 10,577,916 km (0.086 R)
• M10: 11,649,336 km (0.098 R)
• M11: 12,845,371 km (0.104 R)
• M12: 13,724,857 km (0.102 R)
• M13: 18,667,122 km (0.053 R)
• M14: 20,376,726 km (0.111 R)
• M15: 22,500,866 km (0.05 R)
• M16: 25,614,895 km (0.098 R)
• M17: 26,567,385 km (0.083 R)
• M18: 28,543,274 km (0.079 R)
• M19: 34,012,572 km (0.109 R)

Asteroid Belt

Center: 5.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.8

Radius: 4.9

Gravity: 38.27 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.02 AU - 6.36 AU

Year: 10270 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,866,721 km

• M1: 85,420 km (0.095 R)
• M2: 264,938 km (0.12 R)
• M3: 740,809 km (0.108 R)
• M4: 1,107,174 km (0.058 R)
• M5: 1,318,256 km (0.064 R)
• M6: 1,585,887 km (0.103 R)
• M7: 1,855,313 km (0.103 R)
• M8: 2,010,147 km (0.098 R)
• M9: 2,326,097 km (0.104 R)
• M10: 2,568,595 km (0.092 R)
• M11: 3,475,009 km (0.079 R)
• M12: 4,546,429 km (0.118 R)
• M13: 4,926,108 km (0.077 R)
• M14: 5,258,515 km (0.104 R)
• M15: 5,676,940 km (0.12 R)
• M16: 6,042,258 km (0.064 R)
• M17: 6,345,642 km (0.098 R)
• M18: 6,501,224 km (0.103 R)
• M19: 6,699,142 km (0.113 R)
• M20: 11,670,429 km (0.073 R)
• M21: 12,320,731 km (0.059 R)
• M22: 15,513,299 km (0.105 R)
• M23: 17,641,030 km (0.119 R)
• M24: 22,645,228 km (0.056 R)
• M25: 23,469,213 km (0.117 R)
• M26: 27,579,863 km (0.112 R)
• M27: 29,050,111 km (0.069 R)
• M28: 34,486,648 km (0.104 R)
• M29: 36,563,964 km (0.04 R)
• M30: 53,808,858 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.9

Radius: 7.7

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.49 AU - 9.39 AU

Year: 17825 Days

Day: 20.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,866,721 km

• M1: 95,743 km (0.118 R)
• M2: 357,689 km (0.08 R)
• M3: 1,712,447 km (0.106 R)
• M4: 2,804,661 km (0.09 R)
• M5: 3,111,935 km (0.114 R)
• M6: 3,556,839 km (0.05 R)
• M7: 4,139,373 km (0.114 R)
• M8: 5,000,758 km (0.058 R)
• M9: 6,487,611 km (0.091 R)
• M10: 9,155,090 km (0.06 R)
• M11: 9,434,091 km (0.105 R)
• M12: 12,140,466 km (0.097 R)
• M13: 12,409,592 km (0.09 R)
• M14: 12,820,687 km (0.118 R)
• M15: 13,383,175 km (0.117 R)
• M16: 15,324,656 km (0.03 R)
• M17: 22,974,194 km (0.113 R)
• M18: 23,282,964 km (0.047 R)
• M19: 23,908,582 km (0.07 R)
• M20: 24,225,730 km (0.085 R)
• M21: 25,193,628 km (0.047 R)
• M22: 28,017,437 km (0.057 R)
• M23: 30,299,852 km (0.114 R)
• M24: 30,795,619 km (0.079 R)
• M25: 34,151,249 km (0.066 R)
• M26: 36,612,134 km (0.115 R)
• M27: 39,188,808 km (0.087 R)
• M28: 44,700,293 km (0.117 R)
• M29: 45,181,699 km (0.051 R)
• M30: 45,666,396 km (0.079 R)
• M31: 53,180,996 km (0.032 R)
• M32: 61,084,551 km (0.043 R)
• M33: 63,883,527 km (0.05 R)
• M34: 68,028,884 km (0.099 R)
• M35: 68,665,722 km (0.064 R)
• M36: 71,035,053 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.3

Radius: 4

Gravity: 57.89 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 9.18 AU - 11.44 AU

Year: 22076 Days

Day: 19 Hours

Environment

Temp: -246 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,866,721 km

• M1: 49,816 km (0.113 R)
• M2: 189,989 km (0.064 R)
• M3: 390,750 km (0.117 R)
• M4: 715,676 km (0.062 R)
• M5: 857,944 km (0.099 R)
• M6: 1,171,351 km (0.092 R)
• M7: 1,958,685 km (0.062 R)
• M8: 3,133,028 km (0.062 R)
• M9: 4,068,015 km (0.065 R)
• M10: 5,377,595 km (0.068 R)
• M11: 5,797,965 km (0.098 R)
• M12: 6,422,985 km (0.116 R)
• M13: 7,545,268 km (0.07 R)
• M14: 9,982,816 km (0.114 R)
• M15: 12,898,628 km (0.095 R)
• M16: 15,404,242 km (0.117 R)
• M17: 16,335,489 km (0.065 R)
• M18: 17,756,070 km (0.106 R)
• M19: 18,684,475 km (0.079 R)
• M20: 22,830,580 km (0.028 R)
• M21: 23,484,472 km (0.077 R)
• M22: 24,488,723 km (0.101 R)
• M23: 28,792,354 km (0.079 R)
• M24: 29,942,014 km (0.081 R)
• M25: 33,295,100 km (0.079 R)
• M26: 35,712,901 km (0.101 R)
• M27: 38,093,003 km (0.073 R)
• M28: 38,550,773 km (0.061 R)
• M29: 41,374,433 km (0.079 R)
• M30: 48,850,736 km (0.043 R)
• M31: 52,152,062 km (0.045 R)
• M32: 71,135,732 km (0.089 R)
• M33: 78,278,881 km (0.12 R)
• M34: 78,524,820 km (0.162 R)
• M35: 78,771,357 km (0.22 R)
• M36: 79,265,928 km (0.207 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 12,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit