🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.6

Radius: 12.7

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.41 AU - 0.65 AU

Year: 271 Days

Day: 11.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,852,710 km

• M1: 157,975 km (0.116 R)
• M2: 710,739 km (0.067 R)
• M3: 1,149,510 km (0.061 R)
• M4: 1,558,062 km (0.097 R)
• M5: 2,159,296 km (0.08 R)
• M6: 2,776,985 km (0.115 R)
• M7: 3,216,953 km (0.059 R)
• M8: 3,680,706 km (0.1 R)
• M9: 4,329,662 km (0.108 R)
• M10: 4,757,661 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.3

Radius: 14.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.61 AU - 0.93 AU

Year: 475 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,852,710 km

• M1: 182,061 km (0.046 R)
• M2: 707,000 km (0.087 R)
• M3: 1,178,083 km (0.08 R)
• M4: 1,694,944 km (0.083 R)
• M5: 2,149,123 km (0.085 R)
• M6: 2,641,150 km (0.113 R)
• M7: 3,147,539 km (0.057 R)
• M8: 3,730,522 km (0.039 R)
• M9: 4,359,731 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.9

Radius: 13.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.43 AU - 1.51 AU

Year: 1253 Days

Day: 8.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,852,710 km

• M1: 164,109 km (0.114 R)
• M2: 579,093 km (0.047 R)
• M3: 1,129,913 km (0.067 R)
• M4: 1,581,249 km (0.108 R)
• M5: 2,144,485 km (0.109 R)
• M6: 2,674,660 km (0.119 R)
• M7: 3,108,345 km (0.103 R)
• M8: 3,920,960 km (0.04 R)
• M9: 4,776,810 km (0.11 R)
• M10: 5,648,217 km (0.065 R)
• M11: 6,415,056 km (0.073 R)
• M12: 6,859,661 km (0.031 R)
• M13: 7,629,641 km (0.045 R)
• M14: 8,102,669 km (0.106 R)
• M15: 10,607,387 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 13

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.44 AU - 1.9 AU

Year: 1517 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,852,710 km

• M1: 161,715 km (0.106 R)
• M2: 771,925 km (0.091 R)
• M3: 1,339,649 km (0.083 R)
• M4: 1,806,245 km (0.068 R)
• M5: 2,345,844 km (0.089 R)
• M6: 3,020,830 km (0.098 R)
• M7: 4,338,637 km (0.074 R)
• M8: 4,861,033 km (0.111 R)
• M9: 5,689,805 km (0.08 R)
• M10: 6,536,380 km (0.104 R)
• M11: 7,546,614 km (0.076 R)
• M12: 8,305,225 km (0.088 R)
• M13: 9,521,904 km (0.087 R)
• M14: 11,858,025 km (0.066 R)
• M15: 13,722,014 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.1

Radius: 9.6

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.72 AU - 2.06 AU

Year: 1826 Days

Day: 8.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,852,710 km

• M1: 119,678 km (0.028 R)
• M2: 478,713 km (0.093 R)
• M3: 1,054,216 km (0.116 R)
• M4: 1,571,974 km (0.117 R)
• M5: 1,905,278 km (0.053 R)
• M6: 2,286,005 km (0.1 R)
• M7: 3,665,746 km (0.053 R)
• M8: 4,071,456 km (0.097 R)
• M9: 4,954,083 km (0.069 R)
• M10: 5,765,053 km (0.102 R)
• M11: 6,157,748 km (0.076 R)
• M12: 6,521,869 km (0.028 R)
• M13: 6,996,992 km (0.054 R)
• M14: 7,597,627 km (0.108 R)
• M15: 8,314,051 km (0.054 R)
• M16: 8,959,267 km (0.09 R)
• M17: 10,191,804 km (0.089 R)
• M18: 10,605,143 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.9

Radius: 13.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.88 AU - 2.8 AU

Year: 2516 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,852,710 km

• M1: 164,258 km (0.102 R)
• M2: 929,152 km (0.081 R)
• M3: 1,436,888 km (0.114 R)
• M4: 2,106,338 km (0.097 R)
• M5: 2,797,181 km (0.108 R)
• M6: 3,261,832 km (0.048 R)
• M7: 3,706,138 km (0.11 R)
• M8: 4,510,376 km (0.105 R)
• M9: 5,521,508 km (0.092 R)
• M10: 6,336,218 km (0.105 R)
• M11: 6,786,358 km (0.1 R)
• M12: 7,487,373 km (0.119 R)
• M13: 7,900,563 km (0.114 R)
• M14: 9,537,463 km (0.081 R)
• M15: 10,417,846 km (0.118 R)
• M16: 11,623,007 km (0.119 R)
• M17: 12,877,086 km (0.076 R)
• M18: 15,510,457 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.3

Radius: 13.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.96 AU - 3.92 AU

Year: 4485 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,852,710 km

• M1: 170,392 km (0.047 R)
• M2: 1,278,463 km (0.056 R)
• M3: 2,012,690 km (0.042 R)
• M4: 3,396,320 km (0.112 R)
• M5: 5,115,200 km (0.086 R)
• M6: 5,618,447 km (0.045 R)
• M7: 7,382,505 km (0.113 R)
• M8: 8,974,825 km (0.105 R)
• M9: 11,127,090 km (0.064 R)
• M10: 12,231,421 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 8.9

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.87 AU - 6.01 AU

Year: 7718 Days

Day: 13.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,852,710 km

• M1: 110,702 km (0.108 R)
• M2: 443,857 km (0.094 R)
• M3: 804,089 km (0.034 R)
• M4: 1,336,507 km (0.099 R)
• M5: 1,979,479 km (0.107 R)
• M6: 2,757,089 km (0.114 R)
• M7: 3,992,917 km (0.102 R)
• M8: 4,405,807 km (0.079 R)
• M9: 4,932,840 km (0.091 R)
• M10: 5,317,307 km (0.1 R)
• M11: 7,509,664 km (0.09 R)
• M12: 8,140,069 km (0.077 R)
• M13: 8,510,024 km (0.108 R)
• M14: 9,596,703 km (0.113 R)
• M15: 10,150,066 km (0.12 R)
• M16: 11,729,969 km (0.106 R)
• M17: 14,457,138 km (0.056 R)
• M18: 15,122,849 km (0.079 R)
• M19: 16,843,673 km (0.089 R)
• M20: 18,762,116 km (0.101 R)
• M21: 20,368,199 km (0.107 R)
• M22: 20,745,634 km (0.104 R)
• M23: 21,359,285 km (0.085 R)
• M24: 26,802,104 km (0.051 R)
• M25: 33,835,149 km (0.104 R)
• M26: 34,792,575 km (0.061 R)

Asteroid Belt

Center: 5.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.7

Radius: 6.3

Gravity: 24.53 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.32 AU - 6.72 AU

Year: 9116 Days

Day: 22.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,852,710 km

• M1: 78,389 km (0.084 R)
• M2: 419,921 km (0.102 R)
• M3: 795,412 km (0.105 R)
• M4: 1,165,367 km (0.106 R)
• M5: 1,417,141 km (0.109 R)
• M6: 1,674,748 km (0.116 R)
• M7: 2,155,855 km (0.099 R)
• M8: 2,438,744 km (0.098 R)
• M9: 2,725,075 km (0.104 R)
• M10: 3,125,848 km (0.086 R)
• M11: 3,590,798 km (0.1 R)
• M12: 5,921,832 km (0.101 R)
• M13: 6,251,845 km (0.105 R)
• M14: 6,908,579 km (0.112 R)
• M15: 8,000,644 km (0.095 R)
• M16: 8,449,737 km (0.086 R)
• M17: 9,497,071 km (0.111 R)
• M18: 10,469,009 km (0.117 R)
• M19: 11,337,424 km (0.084 R)
• M20: 12,311,755 km (0.099 R)
• M21: 12,668,696 km (0.078 R)
• M22: 13,780,806 km (0.041 R)
• M23: 16,056,489 km (0.055 R)
• M24: 16,268,619 km (0.082 R)
• M25: 23,537,280 km (0.12 R)
• M26: 23,994,750 km (0.03 R)
• M27: 24,927,643 km (0.117 R)
• M28: 29,638,330 km (0.113 R)
• M29: 29,850,909 km (0.085 R)
• M30: 39,731,399 km (0.105 R)
• M31: 40,772,600 km (0.082 R)
• M32: 45,683,749 km (0.101 R)
• M33: 46,395,536 km (0.063 R)
• M34: 47,987,556 km (0.094 R)
• M35: 48,280,918 km (0.107 R)
• M36: 48,871,081 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.6

Radius: 6.4

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.19 AU - 11.99 AU

Year: 22529 Days

Day: 21.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,852,710 km

• M1: 79,586 km (0.118 R)
• M2: 620,083 km (0.113 R)
• M3: 1,071,719 km (0.097 R)
• M4: 2,682,439 km (0.113 R)
• M5: 5,099,043 km (0.112 R)
• M6: 5,946,815 km (0.094 R)
• M7: 6,885,092 km (0.072 R)
• M8: 8,166,847 km (0.111 R)
• M9: 20,996,809 km (0.088 R)
• M10: 30,117,343 km (0.113 R)
• M11: 34,931,701 km (0.117 R)
• M12: 36,827,405 km (0.065 R)
• M13: 38,364,224 km (0.076 R)
• M14: 39,220,223 km (0.082 R)
• M15: 55,242,604 km (0.109 R)
• M16: 58,558,890 km (0.116 R)
• M17: 71,852,755 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: 181 - 19,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit