🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.6

Radius: 11.2

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.17 AU - 1.29 AU

Year: 942 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,486,195 km

• M1: 139,276 km (0.086 R)
• M2: 496,067 km (0.067 R)
• M3: 1,217,577 km (0.038 R)
• M4: 1,649,167 km (0.102 R)
• M5: 2,101,401 km (0.068 R)
• M6: 2,635,914 km (0.101 R)
• M7: 3,273,351 km (0.069 R)
• M8: 3,748,324 km (0.113 R)
• M9: 4,171,088 km (0.052 R)
• M10: 5,131,506 km (0.109 R)
• M11: 5,856,757 km (0.117 R)
• M12: 6,852,181 km (0.104 R)
• M13: 7,223,782 km (0.109 R)
• M14: 8,134,983 km (0.06 R)
• M15: 9,121,132 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.4

Radius: 8.3

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.48 AU - 2.02 AU

Year: 1598 Days

Day: 12.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,486,195 km

• M1: 103,223 km (0.044 R)
• M2: 625,170 km (0.026 R)
• M3: 959,820 km (0.091 R)
• M4: 1,226,403 km (0.104 R)
• M5: 1,562,251 km (0.067 R)
• M6: 2,823,361 km (0.1 R)
• M7: 3,706,138 km (0.083 R)
• M8: 5,103,531 km (0.069 R)
• M9: 6,079,358 km (0.116 R)
• M10: 7,624,555 km (0.113 R)
• M11: 7,974,314 km (0.112 R)
• M12: 8,706,147 km (0.071 R)
• M13: 10,730,805 km (0.091 R)
• M14: 14,592,375 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 9.5

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.42 AU - 3.86 AU

Year: 3841 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,486,195 km

• M1: 118,332 km (0.072 R)
• M2: 859,739 km (0.059 R)
• M3: 1,294,171 km (0.077 R)
• M4: 2,434,855 km (0.115 R)
• M5: 4,593,702 km (0.068 R)
• M6: 5,234,579 km (0.112 R)
• M7: 5,618,896 km (0.113 R)
• M8: 6,170,463 km (0.054 R)
• M9: 6,568,394 km (0.114 R)
• M10: 7,114,576 km (0.1 R)
• M11: 8,152,037 km (0.097 R)
• M12: 8,821,188 km (0.033 R)
• M13: 9,130,257 km (0.08 R)
• M14: 10,524,958 km (0.083 R)
• M15: 12,103,814 km (0.096 R)
• M16: 24,405,696 km (0.094 R)
• M17: 25,793,366 km (0.101 R)
• M18: 26,506,499 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.5

Radius: 12.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.4 AU - 5.72 AU

Year: 7857 Days

Day: 13.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,486,195 km

• M1: 156,779 km (0.109 R)
• M2: 726,597 km (0.076 R)
• M3: 1,185,414 km (0.072 R)
• M4: 1,946,717 km (0.099 R)
• M5: 2,447,571 km (0.116 R)
• M6: 2,848,643 km (0.041 R)
• M7: 3,294,145 km (0.094 R)
• M8: 3,713,019 km (0.08 R)
• M9: 4,246,934 km (0.028 R)
• M10: 4,773,668 km (0.097 R)
• M11: 7,449,076 km (0.038 R)
• M12: 8,093,394 km (0.072 R)
• M13: 10,349,181 km (0.093 R)
• M14: 10,745,615 km (0.112 R)
• M15: 11,411,475 km (0.103 R)
• M16: 12,050,408 km (0.08 R)
• M17: 12,825,773 km (0.111 R)
• M18: 13,341,737 km (0.085 R)
• M19: 13,990,991 km (0.04 R)
• M20: 17,211,684 km (0.114 R)
• M21: 18,847,237 km (0.113 R)
• M22: 20,197,807 km (0.081 R)
• M23: 24,989,576 km (0.028 R)
• M24: 25,614,746 km (0.054 R)
• M25: 30,388,713 km (0.06 R)
• M26: 36,977,602 km (0.085 R)
• M27: 38,970,545 km (0.075 R)
• M28: 39,570,133 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.1

Radius: 4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.64 AU - 6.2 AU

Year: 9942 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,486,195 km

• M1: 51,312 km (0.112 R)
• M2: 277,504 km (0.061 R)
• M3: 424,409 km (0.112 R)
• M4: 595,250 km (0.076 R)
• M5: 832,662 km (0.085 R)
• M6: 1,539,960 km (0.101 R)
• M7: 2,001,171 km (0.095 R)
• M8: 4,323,528 km (0.092 R)
• M9: 4,906,661 km (0.067 R)
• M10: 5,435,639 km (0.07 R)
• M11: 6,400,246 km (0.059 R)
• M12: 9,852,965 km (0.119 R)
• M13: 10,569,090 km (0.09 R)
• M14: 19,856,724 km (0.114 R)
• M15: 20,043,572 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.6

Radius: 5.9

Gravity: 22.42 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.99 AU - 8.13 AU

Year: 12948 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,486,195 km

• M1: 73,602 km (0.085 R)
• M2: 316,699 km (0.084 R)
• M3: 768,185 km (0.12 R)
• M4: 1,035,367 km (0.088 R)
• M5: 1,825,992 km (0.107 R)
• M6: 2,620,356 km (0.067 R)
• M7: 3,082,464 km (0.12 R)
• M8: 3,679,210 km (0.093 R)
• M9: 9,272,525 km (0.086 R)
• M10: 9,849,374 km (0.05 R)
• M11: 11,074,730 km (0.065 R)
• M12: 12,273,907 km (0.108 R)
• M13: 12,777,005 km (0.112 R)
• M14: 13,228,341 km (0.08 R)
• M15: 13,623,579 km (0.112 R)
• M16: 17,307,726 km (0.061 R)
• M17: 18,917,399 km (0.069 R)
• M18: 21,515,166 km (0.112 R)
• M19: 22,805,148 km (0.079 R)
• M20: 25,034,755 km (0.119 R)
• M21: 28,372,583 km (0.116 R)
• M22: 29,921,968 km (0.089 R)
• M23: 32,350,390 km (0.117 R)
• M24: 34,286,486 km (0.114 R)
• M25: 37,595,142 km (0.102 R)
• M26: 40,694,361 km (0.117 R)
• M27: 43,524,005 km (0.09 R)
• M28: 46,180,563 km (0.096 R)
• M29: 51,814,120 km (0.111 R)
• M30: 57,539,380 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.3

Radius: 5.9

Gravity: 20.06 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.22 AU - 9.9 AU

Year: 17287 Days

Day: 21.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 69,486,195 km

• M1: 73,453 km (0.052 R)
• M2: 293,810 km (0.056 R)
• M3: 843,134 km (0.113 R)
• M4: 1,132,157 km (0.084 R)
• M5: 1,548,637 km (0.097 R)
• M6: 2,801,519 km (0.096 R)
• M7: 4,034,505 km (0.073 R)
• M8: 4,254,563 km (0.106 R)
• M9: 5,905,974 km (0.107 R)
• M10: 6,148,921 km (0.111 R)
• M11: 6,611,777 km (0.109 R)
• M12: 7,943,348 km (0.106 R)
• M13: 8,390,645 km (0.05 R)
• M14: 9,946,463 km (0.103 R)
• M15: 10,349,031 km (0.114 R)
• M16: 10,822,209 km (0.111 R)
• M17: 13,200,666 km (0.084 R)
• M18: 14,917,152 km (0.081 R)
• M19: 15,597,523 km (0.053 R)
• M20: 19,938,703 km (0.036 R)
• M21: 21,611,357 km (0.104 R)
• M22: 23,984,129 km (0.095 R)
• M23: 27,187,319 km (0.102 R)
• M24: 27,973,605 km (0.076 R)
• M25: 29,474,221 km (0.094 R)
• M26: 31,271,340 km (0.112 R)
• M27: 31,886,188 km (0.109 R)
• M28: 35,746,112 km (0.043 R)
• M29: 40,629,734 km (0.106 R)
• M30: 45,467,430 km (0.08 R)
• M31: 49,503,731 km (0.09 R)
• M32: 50,675,381 km (0.078 R)
• M33: 53,073,734 km (0.115 R)
• M34: 55,367,518 km (0.115 R)
• M35: 57,359,264 km (0.06 R)
• M36: 58,280,338 km (0.097 R)
• M37: 59,774,372 km (0.088 R)
• M38: 63,620,683 km (0.073 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 15,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit