🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639

Radius: 11.7

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.54 AU - 0.7 AU

Year: 331 Days

Day: 8.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,488,156 km

• M1: 145,559 km (0.117 R)
• M2: 572,361 km (0.091 R)
• M3: 1,008,290 km (0.118 R)
• M4: 1,384,827 km (0.108 R)
• M5: 1,752,090 km (0.086 R)
• M6: 2,437,398 km (0.102 R)
• M7: 2,862,555 km (0.06 R)
• M8: 3,337,379 km (0.065 R)
• M9: 4,073,251 km (0.109 R)
• M10: 4,717,868 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 10.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.81 AU - 0.91 AU

Year: 541 Days

Day: 5.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,488,156 km

• M1: 126,859 km (0.088 R)
• M2: 463,753 km (0.11 R)
• M3: 795,113 km (0.101 R)
• M4: 1,261,409 km (0.11 R)
• M5: 2,175,452 km (0.079 R)
• M6: 2,822,463 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.6

Radius: 10.5

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.16 AU - 1.24 AU

Year: 892 Days

Day: 11.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,488,156 km

• M1: 130,599 km (0.071 R)
• M2: 473,328 km (0.069 R)
• M3: 853,007 km (0.085 R)
• M4: 1,233,734 km (0.1 R)
• M5: 1,729,351 km (0.098 R)
• M6: 2,288,099 km (0.08 R)
• M7: 2,898,459 km (0.036 R)
• M8: 3,421,303 km (0.119 R)
• M9: 5,475,880 km (0.058 R)
• M10: 5,930,957 km (0.052 R)
• M11: 6,299,566 km (0.118 R)
• M12: 7,011,652 km (0.091 R)
• M13: 7,474,059 km (0.03 R)
• M14: 8,623,270 km (0.114 R)
• M15: 9,471,939 km (0.11 R)
• M16: 9,946,912 km (0.046 R)
• M17: 10,282,610 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 12.3

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.63 AU - 1.97 AU

Year: 1638 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,488,156 km

• M1: 153,039 km (0.063 R)
• M2: 539,151 km (0.119 R)
• M3: 1,103,135 km (0.076 R)
• M4: 1,665,473 km (0.086 R)
• M5: 2,185,475 km (0.09 R)
• M6: 2,703,982 km (0.066 R)
• M7: 6,206,068 km (0.089 R)
• M8: 6,696,001 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.3

Radius: 13.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.41 AU - 2.51 AU

Year: 2617 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,488,156 km

• M1: 168,447 km (0.118 R)
• M2: 621,130 km (0.102 R)
• M3: 1,590,973 km (0.058 R)
• M4: 2,090,780 km (0.092 R)
• M5: 2,527,905 km (0.112 R)
• M6: 3,712,122 km (0.099 R)
• M7: 5,218,423 km (0.103 R)
• M8: 6,770,052 km (0.057 R)
• M9: 9,485,702 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 10.3

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.52 AU - 2.6 AU

Year: 2778 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,488,156 km

• M1: 128,355 km (0.029 R)
• M2: 774,169 km (0.035 R)
• M3: 1,142,778 km (0.066 R)
• M4: 1,857,557 km (0.116 R)
• M5: 2,185,774 km (0.092 R)
• M6: 2,752,152 km (0.074 R)
• M7: 3,395,572 km (0.089 R)
• M8: 4,136,531 km (0.117 R)
• M9: 4,981,908 km (0.113 R)
• M10: 6,545,655 km (0.093 R)
• M11: 7,133,126 km (0.106 R)
• M12: 7,628,145 km (0.11 R)
• M13: 8,825,975 km (0.111 R)
• M14: 9,215,977 km (0.106 R)
• M15: 11,760,038 km (0.116 R)
• M16: 12,673,333 km (0.091 R)
• M17: 13,727,250 km (0.096 R)
• M18: 14,059,208 km (0.12 R)
• M19: 14,987,762 km (0.063 R)
• M20: 16,060,827 km (0.092 R)
• M21: 16,429,736 km (0.105 R)
• M22: 18,474,439 km (0.086 R)
• M23: 20,191,524 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.5

Radius: 3.9

Gravity: 49.8 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.16 AU - 7.74 AU

Year: 11110 Days

Day: 21.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,488,156 km

• M1: 49,966 km (0.06 R)
• M2: 561,890 km (0.066 R)
• M3: 971,489 km (0.082 R)
• M4: 1,189,901 km (0.064 R)
• M5: 1,357,601 km (0.052 R)
• M6: 1,615,807 km (0.094 R)
• M7: 2,010,147 km (0.054 R)
• M8: 2,425,131 km (0.099 R)
• M9: 3,056,584 km (0.114 R)
• M10: 3,223,984 km (0.067 R)
• M11: 3,372,534 km (0.082 R)
• M12: 3,656,471 km (0.088 R)
• M13: 6,071,729 km (0.025 R)
• M14: 9,427,957 km (0.068 R)
• M15: 10,200,630 km (0.078 R)
• M16: 11,182,441 km (0.076 R)
• M17: 11,408,782 km (0.113 R)
• M18: 11,638,415 km (0.108 R)
• M19: 11,812,547 km (0.084 R)
• M20: 12,587,165 km (0.099 R)
• M21: 12,770,721 km (0.111 R)
• M22: 13,522,600 km (0.098 R)
• M23: 16,900,071 km (0.095 R)
• M24: 18,584,095 km (0.108 R)
• M25: 19,712,063 km (0.075 R)
• M26: 22,014,823 km (0.101 R)
• M27: 22,281,256 km (0.116 R)
• M28: 22,639,843 km (0.077 R)
• M29: 24,206,880 km (0.064 R)
• M30: 24,395,822 km (0.095 R)
• M31: 25,452,881 km (0.075 R)
• M32: 28,806,716 km (0.085 R)
• M33: 34,192,987 km (0.096 R)
• M34: 37,372,989 km (0.112 R)
• M35: 38,389,656 km (0.081 R)
• M36: 41,957,266 km (0.099 R)
• M37: 45,739,399 km (0.068 R)
• M38: 48,833,532 km (0.079 R)
• M39: 49,742,638 km (0.088 R)
• M40: 50,048,117 km (0.113 R)
• M41: 51,282,599 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.5

Radius: 3.3

Gravity: 62.76 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.21 AU - 7.37 AU

Year: 12000 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,488,156 km

• M1: 43,383 km (0.042 R)
• M2: 202,406 km (0.107 R)
• M3: 826,229 km (0.094 R)
• M4: 1,400,535 km (0.118 R)
• M5: 2,128,030 km (0.102 R)
• M6: 2,520,874 km (0.09 R)
• M7: 2,891,278 km (0.094 R)
• M8: 3,053,891 km (0.074 R)
• M9: 3,173,719 km (0.087 R)
• M10: 3,526,171 km (0.102 R)
• M11: 3,658,117 km (0.076 R)
• M12: 4,102,871 km (0.118 R)
• M13: 4,428,845 km (0.112 R)
• M14: 4,900,826 km (0.114 R)
• M15: 5,165,914 km (0.116 R)
• M16: 6,837,670 km (0.091 R)
• M17: 7,423,645 km (0.112 R)
• M18: 7,906,846 km (0.075 R)
• M19: 8,457,516 km (0.085 R)
• M20: 9,033,318 km (0.071 R)
• M21: 9,431,547 km (0.03 R)
• M22: 11,773,951 km (0.046 R)
• M23: 14,209,554 km (0.114 R)
• M24: 15,863,957 km (0.043 R)
• M25: 16,442,900 km (0.049 R)
• M26: 20,467,831 km (0.076 R)
• M27: 21,327,121 km (0.114 R)
• M28: 22,660,786 km (0.101 R)
• M29: 23,117,509 km (0.1 R)
• M30: 25,493,123 km (0.065 R)
• M31: 25,887,612 km (0.085 R)
• M32: 26,086,428 km (0.116 R)
• M33: 34,659,283 km (0.108 R)
• M34: 36,623,055 km (0.088 R)
• M35: 40,636,317 km (0.068 R)
• M36: 41,039,633 km (0.039 R)
• M37: 42,403,068 km (0.106 R)
• M38: 45,076,232 km (0.108 R)
• M39: 45,364,058 km (0.042 R)
• M40: 50,445,300 km (0.116 R)
• M41: 52,643,341 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.5

Radius: 7.9

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.97 AU - 10.47 AU

Year: 22160 Days

Day: 20.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,488,156 km

• M1: 569,220 km (0.073 R)
• M2: 1,205,609 km (0.054 R)
• M3: 1,595,312 km (0.077 R)
• M4: 2,027,500 km (0.113 R)
• M5: 3,315,089 km (0.043 R)
• M6: 3,568,956 km (0.109 R)
• M7: 4,343,425 km (0.08 R)
• M8: 5,262,853 km (0.05 R)
• M9: 9,396,990 km (0.041 R)
• M10: 10,024,254 km (0.03 R)
• M11: 11,235,997 km (0.081 R)
• M12: 11,877,173 km (0.084 R)
• M13: 13,802,348 km (0.118 R)
• M14: 17,486,495 km (0.111 R)
• M15: 20,433,424 km (0.093 R)
• M16: 20,716,762 km (0.102 R)
• M17: 24,642,360 km (0.072 R)
• M18: 25,833,308 km (0.086 R)
• M19: 29,515,510 km (0.091 R)
• M20: 38,615,998 km (0.077 R)
• M21: 47,249,590 km (0.101 R)
• M22: 50,965,900 km (0.098 R)
• M23: 63,276,010 km (0.119 R)
• M24: 69,259,625 km (0.066 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: 532 - 16,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit