🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.33 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.9

Radius: 12.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.61 AU - 2.71 AU

Year: 2893 Days

Day: 5.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,972,996 km

• M1: 159,471 km (0.117 R)
• M2: 725,699 km (0.086 R)
• M3: 1,275,471 km (0.028 R)
• M4: 1,895,555 km (0.118 R)
• M5: 3,473,812 km (0.097 R)
• M6: 4,052,606 km (0.099 R)
• M7: 4,651,746 km (0.071 R)
• M8: 6,506,161 km (0.115 R)
• M9: 7,067,003 km (0.055 R)
• M10: 7,599,273 km (0.037 R)
• M11: 8,221,899 km (0.079 R)
• M12: 10,634,763 km (0.095 R)
• M13: 13,531,127 km (0.065 R)
• M14: 14,968,015 km (0.103 R)
• M15: 15,649,284 km (0.028 R)
• M16: 16,453,223 km (0.115 R)
• M17: 17,337,196 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 8.1

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.49 AU - 3.01 AU

Year: 3041 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,972,996 km

• M1: 100,829 km (0.09 R)
• M2: 570,417 km (0.116 R)
• M3: 880,084 km (0.108 R)
• M4: 1,371,364 km (0.114 R)
• M5: 1,685,968 km (0.098 R)
• M6: 1,956,591 km (0.052 R)
• M7: 2,665,984 km (0.104 R)
• M8: 3,053,592 km (0.036 R)
• M9: 3,635,079 km (0.101 R)
• M10: 4,310,663 km (0.115 R)
• M11: 8,038,342 km (0.079 R)
• M12: 8,349,356 km (0.035 R)
• M13: 9,106,471 km (0.115 R)
• M14: 9,597,601 km (0.085 R)
• M15: 9,869,271 km (0.113 R)
• M16: 11,134,869 km (0.114 R)
• M17: 11,828,853 km (0.111 R)
• M18: 15,102,952 km (0.114 R)
• M19: 15,577,327 km (0.092 R)
• M20: 16,061,426 km (0.12 R)
• M21: 17,116,540 km (0.111 R)
• M22: 18,634,210 km (0.104 R)
• M23: 18,996,835 km (0.074 R)
• M24: 20,558,637 km (0.048 R)
• M25: 20,816,245 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.6

Radius: 10

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.96 AU - 3.7 AU

Year: 4052 Days

Day: 14.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 70.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,972,996 km

• M1: 124,615 km (0.052 R)
• M2: 495,468 km (0.063 R)
• M3: 930,349 km (0.108 R)
• M4: 1,692,850 km (0.115 R)
• M5: 2,291,391 km (0.059 R)
• M6: 2,828,447 km (0.094 R)
• M7: 5,595,708 km (0.103 R)
• M8: 7,979,850 km (0.102 R)
• M9: 8,964,952 km (0.032 R)
• M10: 9,358,992 km (0.095 R)
• M11: 9,727,452 km (0.045 R)
• M12: 10,730,655 km (0.085 R)
• M13: 11,886,748 km (0.082 R)
• M14: 13,446,305 km (0.086 R)
• M15: 14,251,142 km (0.109 R)
• M16: 16,271,162 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 8.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.86 AU - 5.48 AU

Year: 6730 Days

Day: 6.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,972,996 km

• M1: 108,309 km (0.108 R)
• M2: 435,779 km (0.08 R)
• M3: 946,655 km (0.107 R)
• M4: 1,557,164 km (0.053 R)
• M5: 1,935,796 km (0.114 R)
• M6: 3,158,310 km (0.03 R)
• M7: 3,816,092 km (0.107 R)
• M8: 6,178,392 km (0.082 R)
• M9: 6,542,513 km (0.118 R)
• M10: 8,911,246 km (0.091 R)
• M11: 11,207,274 km (0.053 R)
• M12: 13,759,563 km (0.085 R)
• M13: 16,739,403 km (0.077 R)
• M14: 19,980,591 km (0.101 R)
• M15: 22,359,795 km (0.114 R)
• M16: 23,537,729 km (0.061 R)
• M17: 23,939,250 km (0.12 R)
• M18: 26,967,410 km (0.071 R)
• M19: 33,467,736 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 8.3

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 4.8 AU - 4.8 AU

Year: 7013 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,972,996 km

• M1: 154,535 km (0.086 R)
• M2: 493,673 km (0.1 R)
• M3: 842,685 km (0.116 R)
• M4: 1,758,972 km (0.063 R)
• M5: 2,120,550 km (0.111 R)
• M6: 2,464,775 km (0.055 R)
• M7: 2,773,993 km (0.102 R)
• M8: 3,286,516 km (0.102 R)
• M9: 3,727,680 km (0.045 R)
• M10: 4,231,675 km (0.102 R)
• M11: 4,550,318 km (0.096 R)
• M12: 6,615,667 km (0.112 R)
• M13: 9,116,943 km (0.082 R)
• M14: 13,822,544 km (0.103 R)
• M15: 16,301,231 km (0.092 R)
• M16: 17,457,772 km (0.096 R)
• M17: 21,612,404 km (0.091 R)
• M18: 25,811,617 km (0.089 R)
• M19: 26,629,468 km (0.114 R)
• M20: 28,230,614 km (0.047 R)
• M21: 29,628,008 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 10.1

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.77 AU - 5.15 AU

Year: 7366 Days

Day: 5 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,972,996 km

• M1: 125,662 km (0.064 R)
• M2: 820,096 km (0.118 R)
• M3: 1,254,528 km (0.061 R)
• M4: 1,668,166 km (0.108 R)
• M5: 2,057,120 km (0.104 R)
• M6: 2,433,209 km (0.102 R)
• M7: 2,814,983 km (0.039 R)
• M8: 4,396,382 km (0.07 R)
• M9: 4,848,467 km (0.051 R)
• M10: 5,584,937 km (0.055 R)
• M11: 6,013,984 km (0.096 R)
• M12: 6,500,626 km (0.116 R)
• M13: 7,671,828 km (0.035 R)
• M14: 8,328,861 km (0.094 R)
• M15: 8,758,357 km (0.103 R)
• M16: 13,607,422 km (0.078 R)
• M17: 14,631,719 km (0.088 R)
• M18: 16,363,015 km (0.088 R)
• M19: 16,833,351 km (0.11 R)
• M20: 18,013,080 km (0.074 R)
• M21: 18,805,350 km (0.111 R)
• M22: 20,228,175 km (0.067 R)
• M23: 25,014,858 km (0.094 R)
• M24: 27,575,076 km (0.051 R)
• M25: 30,709,301 km (0.099 R)
• M26: 31,943,484 km (0.086 R)
• M27: 34,951,299 km (0.087 R)
• M28: 37,675,625 km (0.085 R)
• M29: 38,378,137 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.7

Radius: 3.5

Gravity: 17.93 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 8.57 AU - 13.29 AU

Year: 24097 Days

Day: 15.2 Hours

Environment

Temp: -246 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,972,996 km

• M1: 43,533 km (0.094 R)
• M2: 460,612 km (0.062 R)
• M3: 769,980 km (0.096 R)
• M4: 986,598 km (0.097 R)
• M5: 1,465,910 km (0.105 R)
• M6: 1,903,035 km (0.041 R)
• M7: 2,747,365 km (0.093 R)
• M8: 2,909,080 km (0.06 R)
• M9: 3,485,630 km (0.117 R)
• M10: 4,440,813 km (0.114 R)
• M11: 5,377,744 km (0.098 R)
• M12: 5,631,163 km (0.101 R)
• M13: 5,816,964 km (0.074 R)
• M14: 6,642,445 km (0.104 R)
• M15: 7,365,601 km (0.088 R)
• M16: 8,377,331 km (0.091 R)
• M17: 8,966,597 km (0.106 R)
• M18: 10,559,665 km (0.045 R)
• M19: 16,527,573 km (0.103 R)
• M20: 16,908,599 km (0.098 R)
• M21: 28,116,321 km (0.108 R)
• M22: 34,598,397 km (0.12 R)
• M23: 35,221,323 km (0.104 R)
• M24: 35,978,737 km (0.085 R)
• M25: 37,395,429 km (0.104 R)
• M26: 38,715,031 km (0.066 R)
• M27: 44,158,898 km (0.045 R)
• M28: 46,986,597 km (0.092 R)
• M29: 50,249,775 km (0.082 R)
• M30: 52,999,384 km (0.088 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 18,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit