🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 12.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.62 AU - 0.94 AU

Year: 484 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,894,601 km

• M1: 156,779 km (0.113 R)
• M2: 731,683 km (0.072 R)
• M3: 1,167,163 km (0.045 R)
• M4: 1,559,109 km (0.058 R)
• M5: 2,041,263 km (0.096 R)
• M6: 2,953,810 km (0.119 R)
• M7: 3,560,579 km (0.093 R)
• M8: 4,379,926 km (0.087 R)
• M9: 5,271,081 km (0.071 R)
• M10: 5,733,638 km (0.119 R)
• M11: 6,411,765 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 13.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.84 AU - 0.96 AU

Year: 600 Days

Day: 8.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,894,601 km

• M1: 164,109 km (0.077 R)
• M2: 826,827 km (0.094 R)
• M3: 1,409,661 km (0.064 R)
• M4: 1,850,974 km (0.047 R)
• M5: 2,405,384 km (0.067 R)
• M6: 2,977,446 km (0.109 R)
• M7: 3,587,058 km (0.09 R)
• M8: 4,323,229 km (0.079 R)
• M9: 5,327,180 km (0.079 R)
• M10: 5,802,602 km (0.098 R)
• M11: 6,249,152 km (0.077 R)
• M12: 6,698,394 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.6

Radius: 9.3

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.59 AU - 1.95 AU

Year: 1655 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,894,601 km

• M1: 115,789 km (0.111 R)
• M2: 491,279 km (0.093 R)
• M3: 918,681 km (0.045 R)
• M4: 1,247,796 km (0.09 R)
• M5: 1,790,537 km (0.085 R)
• M6: 2,165,130 km (0.118 R)
• M7: 2,619,608 km (0.069 R)
• M8: 3,058,828 km (0.119 R)
• M9: 3,461,844 km (0.105 R)
• M10: 4,029,269 km (0.107 R)
• M11: 5,060,597 km (0.113 R)
• M12: 5,486,801 km (0.044 R)
• M13: 5,985,560 km (0.094 R)
• M14: 6,385,585 km (0.101 R)
• M15: 6,803,412 km (0.097 R)
• M16: 10,294,129 km (0.078 R)
• M17: 13,136,189 km (0.116 R)
• M18: 14,871,973 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.2

Radius: 14.2

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.7 AU - 3.9 AU

Year: 4214 Days

Day: 8.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,894,601 km

• M1: 176,675 km (0.097 R)
• M2: 645,515 km (0.101 R)
• M3: 1,866,084 km (0.108 R)
• M4: 2,783,119 km (0.082 R)
• M5: 3,230,416 km (0.111 R)
• M6: 5,204,959 km (0.053 R)
• M7: 5,647,768 km (0.101 R)
• M8: 6,115,860 km (0.06 R)
• M9: 7,473,311 km (0.12 R)
• M10: 8,665,008 km (0.12 R)
• M11: 9,357,496 km (0.074 R)
• M12: 11,117,216 km (0.099 R)
• M13: 13,868,321 km (0.1 R)
• M14: 16,148,492 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 10.5

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.42 AU - 4.94 AU

Year: 7117 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,894,601 km

• M1: 150,196 km (0.066 R)
• M2: 482,453 km (0.11 R)
• M3: 1,069,924 km (0.119 R)
• M4: 1,788,293 km (0.103 R)
• M5: 2,145,832 km (0.049 R)
• M6: 3,071,244 km (0.094 R)
• M7: 3,907,048 km (0.116 R)
• M8: 4,270,570 km (0.092 R)
• M9: 4,742,402 km (0.092 R)
• M10: 6,548,048 km (0.089 R)
• M11: 9,037,357 km (0.073 R)
• M12: 10,394,658 km (0.118 R)
• M13: 11,045,409 km (0.051 R)
• M14: 13,626,720 km (0.114 R)
• M15: 15,728,122 km (0.061 R)
• M16: 19,646,240 km (0.06 R)
• M17: 20,101,167 km (0.108 R)
• M18: 21,111,252 km (0.105 R)
• M19: 21,508,583 km (0.097 R)
• M20: 29,247,730 km (0.106 R)
• M21: 31,773,840 km (0.089 R)
• M22: 35,774,536 km (0.078 R)
• M23: 37,487,880 km (0.038 R)
• M24: 38,305,881 km (0.095 R)
• M25: 41,572,799 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.7

Radius: 5.7

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7 AU - 7.32 AU

Year: 13467 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,894,601 km

• M1: 70,909 km (0.043 R)
• M2: 824,583 km (0.026 R)
• M3: 1,293,872 km (0.11 R)
• M4: 1,958,386 km (0.094 R)
• M5: 2,177,247 km (0.114 R)
• M6: 3,267,517 km (0.091 R)
• M7: 6,206,965 km (0.076 R)
• M8: 20,106,702 km (0.12 R)
• M9: 20,342,767 km (0.032 R)
• M10: 26,015,070 km (0.104 R)
• M11: 27,244,315 km (0.088 R)
• M12: 29,311,010 km (0.084 R)
• M13: 33,312,155 km (0.097 R)
• M14: 36,717,152 km (0.111 R)
• M15: 41,991,524 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.5

Radius: 3.3

Gravity: 43.94 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.24 AU - 8.88 AU

Year: 17604 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 88,894,601 km

• M1: 43,084 km (0.107 R)
• M2: 150,795 km (0.086 R)
• M3: 254,316 km (0.112 R)
• M4: 500,554 km (0.053 R)
• M5: 700,866 km (0.11 R)
• M6: 963,560 km (0.097 R)
• M7: 1,207,255 km (0.055 R)
• M8: 1,343,838 km (0.107 R)
• M9: 1,505,852 km (0.087 R)
• M10: 1,615,807 km (0.112 R)
• M11: 1,869,225 km (0.051 R)
• M12: 1,996,384 km (0.094 R)
• M13: 2,412,714 km (0.103 R)
• M14: 2,813,338 km (0.105 R)
• M15: 4,502,148 km (0.079 R)
• M16: 4,831,562 km (0.053 R)
• M17: 5,002,254 km (0.107 R)
• M18: 6,515,735 km (0.051 R)
• M19: 6,894,068 km (0.108 R)
• M20: 7,198,201 km (0.107 R)
• M21: 7,740,493 km (0.097 R)
• M22: 8,703,903 km (0.119 R)
• M23: 10,463,623 km (0.109 R)
• M24: 15,461,838 km (0.055 R)
• M25: 15,907,340 km (0.099 R)
• M26: 16,057,835 km (0.114 R)
• M27: 21,846,675 km (0.08 R)
• M28: 22,032,625 km (0.113 R)
• M29: 22,596,459 km (0.109 R)
• M30: 23,073,676 km (0.092 R)
• M31: 25,560,741 km (0.102 R)
• M32: 26,287,787 km (0.115 R)
• M33: 30,592,914 km (0.078 R)
• M34: 33,094,639 km (0.097 R)
• M35: 35,729,357 km (0.086 R)
• M36: 38,500,508 km (0.119 R)
• M37: 42,993,231 km (0.028 R)
• M38: 46,583,281 km (0.104 R)
• M39: 50,529,972 km (0.031 R)
• M40: 55,553,020 km (0.118 R)
• M41: 56,246,855 km (0.103 R)
• M42: 60,898,600 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.4

Radius: 4.8

Gravity: 34.22 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.36 AU - 9.34 AU

Year: 18506 Days

Day: 21.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,894,601 km

• M1: 59,690 km (0.032 R)
• M2: 222,153 km (0.096 R)
• M3: 387,309 km (0.115 R)
• M4: 586,872 km (0.086 R)
• M5: 1,213,688 km (0.064 R)
• M6: 1,582,147 km (0.057 R)
• M7: 6,201,879 km (0.077 R)
• M8: 7,233,506 km (0.065 R)
• M9: 8,322,728 km (0.101 R)
• M10: 8,584,823 km (0.114 R)
• M11: 13,633,303 km (0.081 R)
• M12: 14,443,076 km (0.045 R)
• M13: 15,284,414 km (0.119 R)
• M14: 15,677,558 km (0.1 R)
• M15: 15,836,580 km (0.104 R)
• M16: 17,232,777 km (0.106 R)
• M17: 17,572,813 km (0.086 R)
• M18: 19,707,724 km (0.032 R)
• M19: 19,893,076 km (0.106 R)
• M20: 22,815,022 km (0.042 R)
• M21: 24,271,507 km (0.047 R)
• M22: 24,591,496 km (0.106 R)
• M23: 25,568,221 km (0.119 R)
• M24: 25,899,580 km (0.111 R)
• M25: 30,842,892 km (0.103 R)
• M26: 31,596,716 km (0.058 R)
• M27: 32,750,415 km (0.118 R)
• M28: 33,534,906 km (0.097 R)
• M29: 37,220,848 km (0.079 R)
• M30: 37,646,304 km (0.119 R)
• M31: 46,359,782 km (0.103 R)
• M32: 50,225,540 km (0.038 R)
• M33: 51,093,358 km (0.05 R)
• M34: 52,859,061 km (0.07 R)
• M35: 65,957,103 km (0.116 R)
• M36: 68,685,020 km (0.097 R)
• M37: 70,833,844 km (0.057 R)
• M38: 71,487,138 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.3

Radius: 6.8

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.5 AU - 10.5 AU

Year: 22228 Days

Day: 24 Hours

Environment

Temp: -237 °C

Axial Tilt: 87 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,894,601 km

• M1: 84,523 km (0.119 R)
• M2: 402,717 km (0.08 R)
• M3: 1,096,104 km (0.058 R)
• M4: 2,886,940 km (0.074 R)
• M5: 3,423,398 km (0.116 R)
• M6: 5,854,064 km (0.12 R)
• M7: 14,146,723 km (0.089 R)
• M8: 15,185,081 km (0.091 R)
• M9: 21,870,910 km (0.057 R)
• M10: 22,824,147 km (0.076 R)
• M11: 25,849,914 km (0.116 R)
• M12: 35,204,269 km (0.108 R)
• M13: 37,701,356 km (0.104 R)
• M14: 40,314,233 km (0.103 R)
• M15: 44,204,824 km (0.066 R)
• M16: 46,586,123 km (0.113 R)
• M17: 50,498,856 km (0.04 R)
• M18: 51,974,190 km (0.093 R)
• M19: 57,763,328 km (0.066 R)
• M20: 66,568,958 km (0.061 R)
• M21: 72,213,136 km (0.149 R)
• M22: 86,518,283 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 14,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit