🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.8

Radius: 12.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.56 AU - 0.58 AU

Year: 287 Days

Day: 5.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,807,716 km

• M1: 159,172 km (0.116 R)
• M2: 584,928 km (0.117 R)
• M3: 1,065,885 km (0.086 R)
• M4: 1,616,704 km (0.096 R)
• M5: 2,048,294 km (0.089 R)
• M6: 2,507,859 km (0.112 R)
• M7: 3,055,387 km (0.069 R)
• M8: 3,638,968 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.1

Radius: 9.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.21 AU - 1.47 AU

Year: 1034 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,807,716 km

• M1: 115,639 km (0.109 R)
• M2: 447,447 km (0.087 R)
• M3: 981,512 km (0.098 R)
• M4: 1,356,853 km (0.106 R)
• M5: 1,794,277 km (0.078 R)
• M6: 2,353,922 km (0.082 R)
• M7: 2,803,913 km (0.082 R)
• M8: 4,021,041 km (0.069 R)
• M9: 4,570,215 km (0.075 R)
• M10: 5,168,606 km (0.066 R)
• M11: 6,320,660 km (0.073 R)
• M12: 6,623,446 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 14.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.07 AU - 4.05 AU

Year: 4479 Days

Day: 5.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,807,716 km

• M1: 178,021 km (0.078 R)
• M2: 723,306 km (0.047 R)
• M3: 1,807,292 km (0.045 R)
• M4: 2,454,602 km (0.073 R)
• M5: 3,650,338 km (0.044 R)
• M6: 4,149,995 km (0.092 R)
• M7: 5,545,593 km (0.104 R)
• M8: 9,791,629 km (0.116 R)
• M9: 11,274,144 km (0.117 R)
• M10: 11,897,519 km (0.086 R)
• M11: 13,108,962 km (0.051 R)
• M12: 13,637,491 km (0.12 R)
• M13: 14,907,129 km (0.104 R)
• M14: 18,854,867 km (0.048 R)
• M15: 21,502,600 km (0.12 R)
• M16: 22,090,220 km (0.112 R)
• M17: 22,915,551 km (0.086 R)
• M18: 27,098,757 km (0.084 R)
• M19: 27,698,195 km (0.08 R)
• M20: 29,820,989 km (0.028 R)
• M21: 31,201,777 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.5

Radius: 14.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.36 AU - 4.72 AU

Year: 5415 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,807,716 km

• M1: 180,265 km (0.048 R)
• M2: 632,500 km (0.069 R)
• M3: 1,159,234 km (0.091 R)
• M4: 1,792,631 km (0.114 R)
• M5: 2,444,130 km (0.089 R)
• M6: 2,970,116 km (0.056 R)
• M7: 4,535,957 km (0.106 R)
• M8: 6,839,465 km (0.094 R)
• M9: 8,976,620 km (0.079 R)
• M10: 10,017,223 km (0.104 R)
• M11: 10,520,470 km (0.076 R)
• M12: 12,183,699 km (0.106 R)
• M13: 12,863,921 km (0.026 R)
• M14: 13,903,626 km (0.117 R)
• M15: 14,705,171 km (0.112 R)
• M16: 15,416,360 km (0.059 R)
• M17: 15,903,301 km (0.094 R)
• M18: 16,526,376 km (0.087 R)
• M19: 17,295,459 km (0.055 R)
• M20: 17,954,437 km (0.079 R)
• M21: 19,393,120 km (0.087 R)
• M22: 19,960,844 km (0.105 R)
• M23: 21,504,395 km (0.027 R)
• M24: 23,765,118 km (0.09 R)
• M25: 25,837,647 km (0.114 R)
• M26: 26,525,647 km (0.108 R)
• M27: 29,122,517 km (0.071 R)
• M28: 30,530,233 km (0.075 R)
• M29: 31,396,404 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.8

Radius: 13.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.5 AU - 6 AU

Year: 8022 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,807,716 km

• M1: 168,447 km (0.114 R)
• M2: 692,788 km (0.058 R)
• M3: 1,127,220 km (0.114 R)
• M4: 1,703,471 km (0.086 R)
• M5: 2,703,982 km (0.109 R)
• M6: 3,651,534 km (0.1 R)
• M7: 4,560,042 km (0.036 R)
• M8: 5,558,159 km (0.077 R)
• M9: 7,389,985 km (0.108 R)
• M10: 7,842,668 km (0.085 R)
• M11: 8,842,431 km (0.082 R)
• M12: 9,718,626 km (0.033 R)
• M13: 11,551,200 km (0.076 R)
• M14: 12,210,627 km (0.118 R)
• M15: 14,021,659 km (0.105 R)
• M16: 15,046,853 km (0.037 R)
• M17: 17,612,307 km (0.032 R)
• M18: 18,045,842 km (0.049 R)
• M19: 18,613,715 km (0.095 R)
• M20: 20,186,437 km (0.054 R)
• M21: 25,200,659 km (0.113 R)
• M22: 27,702,085 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.9

Radius: 10.6

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.64 AU - 6.16 AU

Year: 8368 Days

Day: 14.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 97.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,807,716 km

• M1: 210,783 km (0.111 R)
• M2: 769,980 km (0.096 R)
• M3: 1,527,843 km (0.106 R)
• M4: 3,060,324 km (0.097 R)
• M5: 4,322,780 km (0.073 R)
• M6: 6,369,429 km (0.096 R)
• M7: 9,864,783 km (0.076 R)
• M8: 10,343,346 km (0.059 R)
• M9: 12,921,217 km (0.048 R)
• M10: 17,111,154 km (0.1 R)
• M11: 17,994,679 km (0.092 R)
• M12: 23,025,356 km (0.087 R)
• M13: 24,180,102 km (0.102 R)
• M14: 25,942,964 km (0.071 R)
• M15: 28,395,471 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.3

Radius: 13.6

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.32 AU - 6.68 AU

Year: 8601 Days

Day: 13.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,807,716 km

• M1: 170,093 km (0.115 R)
• M2: 616,343 km (0.082 R)
• M3: 1,178,083 km (0.084 R)
• M4: 2,040,964 km (0.109 R)
• M5: 2,678,400 km (0.056 R)
• M6: 3,274,249 km (0.03 R)
• M7: 3,809,360 km (0.114 R)
• M8: 4,472,378 km (0.081 R)
• M9: 5,032,024 km (0.051 R)
• M10: 7,287,062 km (0.108 R)
• M11: 8,099,827 km (0.097 R)
• M12: 9,548,682 km (0.108 R)
• M13: 12,151,985 km (0.1 R)
• M14: 12,620,076 km (0.086 R)
• M15: 14,045,894 km (0.107 R)
• M16: 19,662,396 km (0.039 R)
• M17: 21,643,371 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.6

Radius: 10.6

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.85 AU - 6.29 AU

Year: 8766 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,807,716 km

• M1: 131,796 km (0.06 R)
• M2: 600,486 km (0.098 R)
• M3: 1,295,817 km (0.092 R)
• M4: 1,974,991 km (0.075 R)
• M5: 2,816,180 km (0.067 R)
• M6: 3,307,759 km (0.095 R)
• M7: 4,463,552 km (0.101 R)
• M8: 5,704,765 km (0.061 R)
• M9: 8,462,752 km (0.114 R)
• M10: 8,811,015 km (0.085 R)
• M11: 11,209,967 km (0.102 R)
• M12: 13,302,691 km (0.082 R)
• M13: 15,708,824 km (0.104 R)
• M14: 16,843,374 km (0.053 R)
• M15: 20,809,662 km (0.104 R)
• M16: 27,199,286 km (0.068 R)
• M17: 28,248,865 km (0.081 R)
• M18: 34,897,144 km (0.087 R)
• M19: 39,180,281 km (0.085 R)
• M20: 40,518,284 km (0.055 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.5

Radius: 12.4

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.91 AU - 6.45 AU

Year: 9027 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,807,716 km

• M1: 267,182 km (0.099 R)
• M2: 1,185,862 km (0.117 R)
• M3: 2,920,599 km (0.103 R)
• M4: 3,419,059 km (0.084 R)
• M5: 4,107,509 km (0.081 R)
• M6: 5,593,016 km (0.027 R)
• M7: 6,185,872 km (0.102 R)
• M8: 6,684,631 km (0.105 R)
• M9: 8,533,661 km (0.077 R)
• M10: 10,048,788 km (0.055 R)
• M11: 12,216,461 km (0.109 R)
• M12: 12,877,385 km (0.107 R)
• M13: 14,046,342 km (0.111 R)
• M14: 14,633,963 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.5

Radius: 7.5

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.55 AU - 11.17 AU

Year: 23866 Days

Day: 18.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,807,716 km

• M1: 97,239 km (0.12 R)
• M2: 529,726 km (0.067 R)
• M3: 1,839,755 km (0.053 R)
• M4: 2,073,277 km (0.094 R)
• M5: 2,845,651 km (0.059 R)
• M6: 3,297,586 km (0.061 R)
• M7: 4,412,539 km (0.117 R)
• M8: 5,168,906 km (0.056 R)
• M9: 5,759,967 km (0.112 R)
• M10: 7,076,578 km (0.08 R)
• M11: 8,744,145 km (0.105 R)
• M12: 9,756,474 km (0.108 R)
• M13: 13,769,138 km (0.105 R)
• M14: 17,266,137 km (0.063 R)
• M15: 18,672,208 km (0.064 R)
• M16: 22,010,933 km (0.109 R)
• M17: 24,409,436 km (0.115 R)
• M18: 25,504,492 km (0.114 R)
• M19: 26,861,494 km (0.095 R)
• M20: 28,624,655 km (0.1 R)
• M21: 30,463,512 km (0.076 R)
• M22: 34,104,275 km (0.079 R)
• M23: 40,395,015 km (0.092 R)
• M24: 52,645,136 km (0.118 R)
• M25: 61,387,337 km (0.089 R)
• M26: 61,988,870 km (0.08 R)
• M27: 63,000,151 km (0.068 R)
• M28: 68,008,239 km (0.12 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: 507 - 11,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit