🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 8.8

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.62 AU - 1.03 AU

Year: 487 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,583,576 km

• M1: 109,506 km (0.077 R)
• M2: 431,590 km (0.087 R)
• M3: 774,767 km (0.075 R)
• M4: 1,295,966 km (0.077 R)
• M5: 1,715,888 km (0.077 R)
• M6: 2,036,177 km (0.103 R)
• M7: 2,490,954 km (0.066 R)
• M8: 3,066,756 km (0.086 R)
• M9: 3,530,510 km (0.073 R)
• M10: 3,817,887 km (0.088 R)
• M11: 4,230,029 km (0.105 R)
• M12: 5,681,129 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379

Radius: 9.7

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.95 AU - 1.27 AU

Year: 767 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,583,576 km

• M1: 120,576 km (0.042 R)
• M2: 488,886 km (0.079 R)
• M3: 957,426 km (0.105 R)
• M4: 1,347,129 km (0.07 R)
• M5: 1,745,209 km (0.114 R)
• M6: 2,268,502 km (0.1 R)
• M7: 3,020,082 km (0.12 R)
• M8: 3,901,363 km (0.09 R)
• M9: 4,424,806 km (0.105 R)
• M10: 5,077,501 km (0.096 R)
• M11: 6,774,839 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.4

Radius: 12.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.18 AU - 1.32 AU

Year: 917 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,583,576 km

• M1: 165,605 km (0.067 R)
• M2: 801,845 km (0.067 R)
• M3: 1,251,237 km (0.062 R)
• M4: 3,786,621 km (0.099 R)
• M5: 4,169,741 km (0.118 R)
• M6: 4,903,369 km (0.083 R)
• M7: 5,634,005 km (0.09 R)
• M8: 6,062,304 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 12.4

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.89 AU - 2.09 AU

Year: 1842 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,583,576 km

• M1: 154,235 km (0.115 R)
• M2: 555,756 km (0.108 R)
• M3: 948,750 km (0.094 R)
• M4: 1,635,554 km (0.032 R)
• M5: 2,685,731 km (0.104 R)
• M6: 3,189,726 km (0.098 R)
• M7: 4,194,575 km (0.091 R)
• M8: 4,838,145 km (0.1 R)
• M9: 5,420,529 km (0.034 R)
• M10: 6,004,260 km (0.089 R)
• M11: 7,196,406 km (0.085 R)
• M12: 7,741,989 km (0.079 R)
• M13: 8,945,354 km (0.101 R)
• M14: 10,269,595 km (0.117 R)
• M15: 11,545,216 km (0.104 R)
• M16: 12,076,887 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.8

Radius: 12.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.46 AU - 5.64 AU

Year: 6367 Days

Day: 7.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,583,576 km

• M1: 153,039 km (0.105 R)
• M2: 639,830 km (0.105 R)
• M3: 1,303,446 km (0.049 R)
• M4: 1,736,981 km (0.114 R)
• M5: 2,347,191 km (0.036 R)
• M6: 2,905,041 km (0.057 R)
• M7: 3,422,350 km (0.062 R)
• M8: 4,827,972 km (0.093 R)
• M9: 5,354,108 km (0.048 R)
• M10: 6,262,915 km (0.104 R)
• M11: 6,687,474 km (0.091 R)
• M12: 8,154,580 km (0.077 R)
• M13: 9,913,402 km (0.051 R)
• M14: 11,570,199 km (0.118 R)
• M15: 12,515,657 km (0.116 R)
• M16: 14,112,315 km (0.057 R)
• M17: 15,484,427 km (0.082 R)
• M18: 17,006,436 km (0.074 R)
• M19: 18,559,112 km (0.03 R)
• M20: 19,784,318 km (0.07 R)
• M21: 20,702,251 km (0.11 R)
• M22: 23,783,518 km (0.055 R)
• M23: 29,275,705 km (0.104 R)
• M24: 32,170,424 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.9

Radius: 14.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4 AU - 6.26 AU

Year: 7622 Days

Day: 11.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,583,576 km

• M1: 184,005 km (0.089 R)
• M2: 1,152,352 km (0.104 R)
• M3: 1,712,746 km (0.037 R)
• M4: 2,251,598 km (0.066 R)
• M5: 2,884,397 km (0.068 R)
• M6: 3,994,562 km (0.075 R)
• M7: 4,788,029 km (0.118 R)
• M8: 5,496,675 km (0.049 R)
• M9: 6,040,313 km (0.05 R)
• M10: 8,091,150 km (0.09 R)
• M11: 9,055,907 km (0.092 R)
• M12: 9,817,211 km (0.096 R)
• M13: 16,396,525 km (0.07 R)
• M14: 17,123,271 km (0.099 R)
• M15: 19,433,511 km (0.089 R)
• M16: 20,322,871 km (0.049 R)
• M17: 24,239,044 km (0.12 R)
• M18: 26,509,191 km (0.07 R)
• M19: 27,788,702 km (0.11 R)
• M20: 30,767,944 km (0.068 R)
• M21: 31,671,365 km (0.109 R)
• M22: 32,386,144 km (0.039 R)
• M23: 35,681,935 km (0.111 R)
• M24: 37,015,749 km (0.07 R)
• M25: 37,581,229 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.5

Radius: 15

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.86 AU - 5.92 AU

Year: 8209 Days

Day: 13.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 140.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,583,576 km

• M1: 249,978 km (0.028 R)
• M2: 1,822,252 km (0.065 R)
• M3: 2,682,589 km (0.087 R)
• M4: 3,822,974 km (0.119 R)
• M5: 7,483,334 km (0.094 R)
• M6: 12,243,838 km (0.104 R)
• M7: 13,424,165 km (0.079 R)
• M8: 17,972,090 km (0.109 R)
• M9: 19,106,939 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.4

Radius: 3.7

Gravity: 34.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.55 AU - 8.23 AU

Year: 11864 Days

Day: 24 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,583,576 km

• M1: 46,226 km (0.108 R)
• M2: 243,246 km (0.111 R)
• M3: 576,999 km (0.085 R)
• M4: 876,344 km (0.116 R)
• M5: 1,174,642 km (0.067 R)
• M6: 2,159,744 km (0.072 R)
• M7: 2,305,902 km (0.077 R)
• M8: 2,721,185 km (0.104 R)
• M9: 3,278,587 km (0.082 R)
• M10: 4,351,353 km (0.095 R)
• M11: 4,614,795 km (0.087 R)
• M12: 6,574,976 km (0.077 R)
• M13: 6,804,908 km (0.119 R)
• M14: 6,921,893 km (0.093 R)
• M15: 7,778,640 km (0.078 R)
• M16: 10,405,130 km (0.079 R)
• M17: 12,961,309 km (0.053 R)
• M18: 15,566,855 km (0.098 R)
• M19: 18,653,209 km (0.076 R)
• M20: 19,113,821 km (0.114 R)
• M21: 21,281,195 km (0.106 R)
• M22: 23,340,409 km (0.034 R)
• M23: 24,600,921 km (0.108 R)
• M24: 25,341,131 km (0.066 R)
• M25: 25,811,317 km (0.062 R)
• M26: 26,096,152 km (0.114 R)
• M27: 29,680,068 km (0.103 R)
• M28: 32,794,995 km (0.11 R)
• M29: 35,415,351 km (0.102 R)
• M30: 35,884,789 km (0.101 R)
• M31: 36,358,416 km (0.038 R)
• M32: 40,171,367 km (0.085 R)
• M33: 42,503,149 km (0.106 R)
• M34: 43,300,056 km (0.117 R)
• M35: 45,750,320 km (0.091 R)
• M36: 46,587,320 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.5

Radius: 3.8

Gravity: 33.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.7 AU - 12.5 AU

Year: 22640 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 73,583,576 km

• M1: 72,555 km (0.063 R)
• M2: 321,037 km (0.106 R)
• M3: 441,314 km (0.068 R)
• M4: 609,462 km (0.109 R)
• M5: 747,989 km (0.084 R)
• M6: 884,871 km (0.1 R)
• M7: 1,115,551 km (0.053 R)
• M8: 1,462,768 km (0.078 R)
• M9: 1,627,176 km (0.046 R)
• M10: 2,302,162 km (0.114 R)
• M11: 3,478,150 km (0.075 R)
• M12: 3,772,110 km (0.079 R)
• M13: 4,683,311 km (0.114 R)
• M14: 5,812,775 km (0.049 R)
• M15: 6,268,749 km (0.068 R)
• M16: 6,748,210 km (0.087 R)
• M17: 7,019,880 km (0.115 R)
• M18: 7,584,911 km (0.037 R)
• M19: 12,415,875 km (0.106 R)
• M20: 12,755,014 km (0.053 R)
• M21: 13,451,841 km (0.061 R)
• M22: 14,845,046 km (0.05 R)
• M23: 17,069,117 km (0.025 R)
• M24: 18,965,120 km (0.068 R)
• M25: 23,271,594 km (0.035 R)
• M26: 26,255,623 km (0.088 R)
• M27: 30,946,414 km (0.102 R)
• M28: 31,820,963 km (0.064 R)
• M29: 32,327,950 km (0.111 R)
• M30: 34,144,966 km (0.063 R)
• M31: 35,213,244 km (0.103 R)
• M32: 38,982,961 km (0.097 R)
• M33: 42,551,918 km (0.117 R)
• M34: 53,834,140 km (0.058 R)
• M35: 57,122,601 km (0.095 R)
• M36: 58,247,876 km (0.071 R)
• M37: 58,626,209 km (0.1 R)
• M38: 59,387,662 km (0.094 R)
• M39: 59,770,932 km (0.096 R)
• M40: 64,701,677 km (0.083 R)
• M41: 65,719,392 km (0.038 R)
• M42: 66,954,472 km (0.077 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 18,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit