🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.7

Radius: 12.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.85 AU - 1.09 AU

Year: 627 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,281,252 km

• M1: 151,842 km (0.047 R)
• M2: 643,420 km (0.113 R)
• M3: 1,441,974 km (0.057 R)
• M4: 1,835,715 km (0.113 R)
• M5: 3,033,246 km (0.108 R)
• M6: 5,651,658 km (0.069 R)
• M7: 7,130,134 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.9

Radius: 8.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.54 AU - 1.68 AU

Year: 1340 Days

Day: 8.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,281,252 km

• M1: 109,655 km (0.105 R)
• M2: 407,953 km (0.073 R)
• M3: 855,251 km (0.073 R)
• M4: 1,186,610 km (0.079 R)
• M5: 1,751,641 km (0.096 R)
• M6: 2,274,636 km (0.1 R)
• M7: 2,591,035 km (0.094 R)
• M8: 3,470,072 km (0.091 R)
• M9: 4,163,907 km (0.078 R)
• M10: 4,658,029 km (0.038 R)
• M11: 4,965,602 km (0.11 R)
• M12: 5,723,016 km (0.042 R)
• M13: 6,356,264 km (0.054 R)
• M14: 6,735,495 km (0.11 R)
• M15: 7,012,251 km (0.087 R)
• M16: 8,066,766 km (0.06 R)
• M17: 9,797,913 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.3

Radius: 11.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.52 AU - 1.9 AU

Year: 1467 Days

Day: 5.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,281,252 km

• M1: 148,102 km (0.117 R)
• M2: 772,823 km (0.085 R)
• M3: 1,612,067 km (0.079 R)
• M4: 2,058,018 km (0.116 R)
• M5: 2,922,394 km (0.103 R)
• M6: 4,296,600 km (0.11 R)
• M7: 5,127,617 km (0.1 R)
• M8: 6,458,589 km (0.107 R)
• M9: 8,297,147 km (0.098 R)
• M10: 9,380,534 km (0.07 R)
• M11: 9,851,319 km (0.053 R)
• M12: 10,618,756 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 12.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.18 AU - 3.2 AU

Year: 2894 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,281,252 km

• M1: 155,432 km (0.098 R)
• M2: 716,574 km (0.056 R)
• M3: 1,230,442 km (0.086 R)
• M4: 1,684,622 km (0.113 R)
• M5: 2,186,971 km (0.036 R)
• M6: 3,306,562 km (0.094 R)
• M7: 3,774,055 km (0.073 R)
• M8: 4,183,654 km (0.103 R)
• M9: 5,001,506 km (0.094 R)
• M10: 6,424,630 km (0.113 R)
• M11: 6,954,506 km (0.093 R)
• M12: 7,788,664 km (0.094 R)
• M13: 9,407,612 km (0.105 R)
• M14: 10,018,719 km (0.104 R)
• M15: 11,004,270 km (0.097 R)
• M16: 11,764,676 km (0.081 R)
• M17: 12,304,874 km (0.062 R)
• M18: 13,036,258 km (0.114 R)
• M19: 13,796,364 km (0.083 R)
• M20: 14,680,637 km (0.095 R)
• M21: 16,408,044 km (0.097 R)
• M22: 17,830,570 km (0.086 R)
• M23: 18,377,650 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 14.2

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.51 AU - 3.93 AU

Year: 3790 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,281,252 km

• M1: 176,974 km (0.1 R)
• M2: 855,251 km (0.086 R)
• M3: 1,695,093 km (0.079 R)
• M4: 3,058,379 km (0.033 R)
• M5: 3,927,991 km (0.074 R)
• M6: 5,220,517 km (0.114 R)
• M7: 6,069,036 km (0.108 R)
• M8: 6,589,487 km (0.047 R)
• M9: 7,341,366 km (0.082 R)
• M10: 7,791,207 km (0.031 R)
• M11: 8,823,133 km (0.113 R)
• M12: 9,986,107 km (0.101 R)
• M13: 11,294,490 km (0.03 R)
• M14: 12,961,908 km (0.06 R)
• M15: 13,467,249 km (0.09 R)
• M16: 16,368,700 km (0.077 R)
• M17: 18,562,702 km (0.084 R)
• M18: 21,432,887 km (0.081 R)
• M19: 22,500,268 km (0.107 R)
• M20: 23,379,454 km (0.052 R)
• M21: 25,677,727 km (0.104 R)
• M22: 26,556,913 km (0.106 R)
• M23: 27,373,568 km (0.111 R)
• M24: 28,122,904 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.8

Radius: 14.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.26 AU - 4.26 AU

Year: 4783 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,281,252 km

• M1: 199,564 km (0.119 R)
• M2: 679,025 km (0.084 R)
• M3: 1,587,233 km (0.093 R)
• M4: 2,225,867 km (0.115 R)
• M5: 2,764,419 km (0.108 R)
• M6: 3,813,848 km (0.111 R)
• M7: 4,592,954 km (0.086 R)
• M8: 5,233,382 km (0.081 R)
• M9: 5,906,872 km (0.068 R)
• M10: 9,553,769 km (0.118 R)
• M11: 10,030,836 km (0.102 R)
• M12: 10,717,939 km (0.082 R)
• M13: 15,873,531 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.5

Radius: 10.5

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.94 AU - 5.32 AU

Year: 6536 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,281,252 km

• M1: 130,599 km (0.105 R)
• M2: 966,402 km (0.075 R)
• M3: 1,379,741 km (0.079 R)
• M4: 2,663,291 km (0.036 R)
• M5: 3,118,218 km (0.115 R)
• M6: 3,805,171 km (0.08 R)
• M7: 4,856,545 km (0.03 R)
• M8: 5,450,299 km (0.117 R)
• M9: 7,415,716 km (0.087 R)
• M10: 9,005,044 km (0.086 R)
• M11: 11,723,836 km (0.062 R)
• M12: 12,897,580 km (0.113 R)
• M13: 16,762,741 km (0.062 R)
• M14: 17,334,653 km (0.065 R)
• M15: 26,342,689 km (0.06 R)
• M16: 27,464,673 km (0.074 R)
• M17: 32,566,110 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844

Radius: 9.9

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.98 AU - 5.34 AU

Year: 6599 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,281,252 km

• M1: 123,269 km (0.087 R)
• M2: 487,839 km (0.06 R)
• M3: 1,257,520 km (0.119 R)
• M4: 1,717,533 km (0.047 R)
• M5: 2,664,338 km (0.116 R)
• M6: 4,001,893 km (0.117 R)
• M7: 4,747,189 km (0.113 R)
• M8: 5,426,513 km (0.115 R)
• M9: 6,653,664 km (0.093 R)
• M10: 7,313,690 km (0.108 R)
• M11: 7,698,755 km (0.113 R)
• M12: 8,426,250 km (0.08 R)
• M13: 9,376,645 km (0.09 R)
• M14: 10,349,181 km (0.078 R)
• M15: 10,687,870 km (0.111 R)
• M16: 11,541,326 km (0.075 R)
• M17: 13,326,926 km (0.092 R)
• M18: 13,961,072 km (0.065 R)
• M19: 14,494,837 km (0.097 R)
• M20: 15,603,058 km (0.062 R)
• M21: 16,113,336 km (0.098 R)
• M22: 16,899,623 km (0.118 R)
• M23: 18,196,487 km (0.115 R)
• M24: 22,004,500 km (0.089 R)
• M25: 22,646,425 km (0.116 R)
• M26: 26,134,150 km (0.074 R)
• M27: 27,036,225 km (0.073 R)
• M28: 27,495,041 km (0.116 R)
• M29: 31,152,859 km (0.117 R)
• M30: 32,166,833 km (0.072 R)
• M31: 38,601,786 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.9

Radius: 6.4

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.92 AU - 8.14 AU

Year: 13555 Days

Day: 15 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,281,252 km

• M1: 79,885 km (0.071 R)
• M2: 346,020 km (0.106 R)
• M3: 759,957 km (0.088 R)
• M4: 1,888,374 km (0.111 R)
• M5: 2,967,423 km (0.066 R)
• M6: 3,180,900 km (0.072 R)
• M7: 3,430,279 km (0.113 R)
• M8: 4,377,234 km (0.096 R)
• M9: 5,143,474 km (0.111 R)
• M10: 6,261,120 km (0.11 R)
• M11: 6,534,285 km (0.114 R)
• M12: 6,938,499 km (0.113 R)
• M13: 7,402,103 km (0.104 R)
• M14: 9,414,942 km (0.064 R)
• M15: 15,239,385 km (0.102 R)
• M16: 18,691,057 km (0.119 R)
• M17: 22,177,735 km (0.106 R)
• M18: 27,503,419 km (0.06 R)
• M19: 28,026,114 km (0.033 R)
• M20: 28,449,027 km (0.11 R)
• M21: 37,060,329 km (0.069 R)
• M22: 37,826,420 km (0.118 R)
• M23: 39,257,922 km (0.032 R)
• M24: 47,857,855 km (0.054 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: 205 - 14,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit