🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 10.3

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.66 AU - 0.74 AU

Year: 384 Days

Day: 14.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 132.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,978,371 km

• M1: 134,788 km (0.117 R)
• M2: 812,167 km (0.104 R)
• M3: 1,153,549 km (0.113 R)
• M4: 1,612,216 km (0.104 R)
• M5: 1,981,274 km (0.097 R)
• M6: 2,355,568 km (0.075 R)
• M7: 2,932,118 km (0.072 R)
• M8: 3,499,094 km (0.062 R)
• M9: 4,112,745 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.2

Radius: 13.3

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.76 AU - 0.98 AU

Year: 532 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,978,371 km

• M1: 165,455 km (0.036 R)
• M2: 696,528 km (0.115 R)
• M3: 1,248,693 km (0.053 R)
• M4: 1,758,972 km (0.045 R)
• M5: 2,190,861 km (0.106 R)
• M6: 2,856,721 km (0.1 R)
• M7: 3,589,451 km (0.103 R)
• M8: 4,193,228 km (0.097 R)
• M9: 4,612,102 km (0.108 R)
• M10: 5,259,562 km (0.12 R)
• M11: 5,985,411 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 9.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.31 AU - 5.03 AU

Year: 6620 Days

Day: 13.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,978,371 km

• M1: 114,592 km (0.084 R)
• M2: 655,837 km (0.064 R)
• M3: 1,126,023 km (0.103 R)
• M4: 1,508,545 km (0.119 R)
• M5: 1,991,596 km (0.062 R)
• M6: 3,030,554 km (0.094 R)
• M7: 4,470,882 km (0.12 R)
• M8: 4,806,430 km (0.091 R)
• M9: 5,470,645 km (0.089 R)
• M10: 8,018,296 km (0.082 R)
• M11: 9,486,899 km (0.089 R)
• M12: 13,740,116 km (0.049 R)
• M13: 19,387,435 km (0.048 R)
• M14: 19,935,412 km (0.07 R)
• M15: 22,231,440 km (0.045 R)
• M16: 25,018,748 km (0.032 R)
• M17: 30,168,355 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 9.2

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.12 AU - 5.5 AU

Year: 6920 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,978,371 km

• M1: 153,936 km (0.049 R)
• M2: 537,954 km (0.04 R)
• M3: 879,037 km (0.094 R)
• M4: 1,330,523 km (0.117 R)
• M5: 1,624,782 km (0.057 R)
• M6: 2,295,579 km (0.118 R)
• M7: 2,906,537 km (0.087 R)
• M8: 3,621,914 km (0.098 R)
• M9: 5,089,469 km (0.11 R)
• M10: 6,407,127 km (0.063 R)
• M11: 6,732,652 km (0.1 R)
• M12: 10,623,842 km (0.094 R)
• M13: 10,978,090 km (0.061 R)
• M14: 12,869,007 km (0.117 R)
• M15: 15,348,891 km (0.099 R)
• M16: 16,197,560 km (0.09 R)
• M17: 16,803,132 km (0.086 R)
• M18: 18,130,963 km (0.063 R)
• M19: 18,857,410 km (0.076 R)
• M20: 19,377,412 km (0.096 R)
• M21: 20,059,878 km (0.103 R)
• M22: 22,121,636 km (0.066 R)
• M23: 26,661,781 km (0.06 R)
• M24: 27,600,807 km (0.101 R)
• M25: 29,247,730 km (0.082 R)
• M26: 40,281,321 km (0.119 R)
• M27: 41,642,063 km (0.031 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.3

Radius: 11.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.74 AU - 6.38 AU

Year: 8600 Days

Day: 9.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,978,371 km

• M1: 146,756 km (0.09 R)
• M2: 906,264 km (0.066 R)
• M3: 1,442,123 km (0.114 R)
• M4: 1,917,097 km (0.065 R)
• M5: 2,857,020 km (0.057 R)
• M6: 3,386,447 km (0.113 R)
• M7: 3,831,800 km (0.031 R)
• M8: 4,450,537 km (0.066 R)
• M9: 5,822,798 km (0.109 R)
• M10: 6,931,917 km (0.112 R)
• M11: 7,537,040 km (0.054 R)
• M12: 8,259,448 km (0.064 R)
• M13: 9,204,607 km (0.083 R)
• M14: 10,412,909 km (0.099 R)
• M15: 12,639,075 km (0.106 R)
• M16: 14,309,036 km (0.1 R)
• M17: 17,457,772 km (0.09 R)
• M18: 17,942,469 km (0.061 R)
• M19: 21,829,022 km (0.096 R)
• M20: 23,046,898 km (0.113 R)
• M21: 24,567,411 km (0.045 R)
• M22: 27,434,155 km (0.04 R)
• M23: 29,922,117 km (0.102 R)
• M24: 31,627,982 km (0.093 R)
• M25: 32,661,105 km (0.101 R)
• M26: 34,360,985 km (0.073 R)
• M27: 36,118,910 km (0.026 R)
• M28: 40,052,436 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614.5

Radius: 7.2

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.26 AU - 6.72 AU

Year: 10846 Days

Day: 23.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,978,371 km

• M1: 89,609 km (0.115 R)
• M2: 350,657 km (0.114 R)
• M3: 737,966 km (0.066 R)
• M4: 1,136,046 km (0.041 R)
• M5: 2,869,287 km (0.11 R)
• M6: 3,301,475 km (0.078 R)
• M7: 4,044,079 km (0.076 R)
• M8: 4,738,812 km (0.118 R)
• M9: 5,926,320 km (0.108 R)
• M10: 6,551,190 km (0.111 R)
• M11: 6,978,292 km (0.091 R)
• M12: 7,341,516 km (0.061 R)
• M13: 9,110,510 km (0.118 R)
• M14: 9,891,710 km (0.103 R)
• M15: 14,544,204 km (0.101 R)
• M16: 15,004,068 km (0.057 R)
• M17: 16,371,542 km (0.105 R)
• M18: 18,422,978 km (0.114 R)
• M19: 21,557,203 km (0.106 R)
• M20: 29,167,695 km (0.096 R)
• M21: 37,650,642 km (0.079 R)
• M22: 43,727,158 km (0.092 R)
• M23: 46,358,585 km (0.106 R)
• M24: 47,785,150 km (0.095 R)
• M25: 48,509,204 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639

Radius: 5.3

Gravity: 22.75 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.99 AU - 7.75 AU

Year: 13125 Days

Day: 18.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 35,978,371 km

• M1: 65,973 km (0.092 R)
• M2: 541,993 km (0.084 R)
• M3: 812,466 km (0.099 R)
• M4: 1,769,144 km (0.077 R)
• M5: 2,883,499 km (0.071 R)
• M6: 4,587,120 km (0.114 R)
• M7: 5,560,104 km (0.08 R)
• M8: 6,583,054 km (0.06 R)
• M9: 7,770,562 km (0.114 R)
• M10: 9,861,641 km (0.033 R)
• M11: 12,670,042 km (0.067 R)
• M12: 13,495,822 km (0.075 R)
• M13: 13,691,496 km (0.069 R)
• M14: 14,222,270 km (0.113 R)
• M15: 15,184,034 km (0.075 R)
• M16: 18,973,199 km (0.078 R)
• M17: 19,466,423 km (0.095 R)
• M18: 19,632,626 km (0.116 R)
• M19: 20,650,340 km (0.094 R)
• M20: 20,910,192 km (0.119 R)
• M21: 21,613,751 km (0.108 R)
• M22: 25,667,853 km (0.109 R)
• M23: 27,193,452 km (0.076 R)
• M24: 29,211,228 km (0.099 R)
• M25: 30,423,869 km (0.099 R)
• M26: 34,749,192 km (0.08 R)
• M27: 35,363,291 km (0.115 R)
• M28: 35,611,025 km (0.049 R)
• M29: 36,994,057 km (0.103 R)
• M30: 37,634,486 km (0.076 R)
• M31: 41,083,914 km (0.099 R)
• M32: 42,047,474 km (0.074 R)
• M33: 42,325,426 km (0.116 R)
• M34: 43,591,772 km (0.071 R)
• M35: 50,931,792 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.5

Radius: 4.2

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.46 AU - 10.08 AU

Year: 17038 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,978,371 km

• M1: 53,706 km (0.081 R)
• M2: 255,513 km (0.095 R)
• M3: 1,122,134 km (0.096 R)
• M4: 1,343,239 km (0.06 R)
• M5: 3,863,215 km (0.103 R)
• M6: 6,644,838 km (0.071 R)
• M7: 7,406,291 km (0.109 R)
• M8: 7,849,101 km (0.118 R)
• M9: 8,224,293 km (0.101 R)
• M10: 11,883,157 km (0.054 R)
• M11: 14,124,881 km (0.096 R)
• M12: 15,057,175 km (0.064 R)
• M13: 16,430,334 km (0.104 R)
• M14: 18,533,680 km (0.099 R)
• M15: 19,123,545 km (0.091 R)
• M16: 23,180,788 km (0.079 R)
• M17: 24,299,631 km (0.108 R)
• M18: 27,871,729 km (0.108 R)
• M19: 37,534,106 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.5

Radius: 4.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.7 AU - 10.84 AU

Year: 18515 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,978,371 km

• M1: 64,925 km (0.083 R)
• M2: 327,619 km (0.065 R)
• M3: 1,650,663 km (0.118 R)
• M4: 1,847,384 km (0.064 R)
• M5: 2,737,641 km (0.116 R)
• M6: 3,553,697 km (0.088 R)
• M7: 5,904,179 km (0.082 R)
• M8: 7,102,159 km (0.081 R)
• M9: 7,472,264 km (0.117 R)
• M10: 7,662,104 km (0.108 R)
• M11: 8,701,360 km (0.118 R)
• M12: 13,408,906 km (0.109 R)
• M13: 15,030,397 km (0.073 R)
• M14: 21,653,394 km (0.093 R)
• M15: 24,871,843 km (0.094 R)
• M16: 32,841,520 km (0.073 R)
• M17: 35,017,271 km (0.114 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 14,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit