🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 8.7

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.68 AU - 0.78 AU

Year: 409 Days

Day: 6.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,656,523 km

• M1: 108,159 km (0.044 R)
• M2: 411,993 km (0.056 R)
• M3: 735,722 km (0.069 R)
• M4: 1,312,273 km (0.106 R)
• M5: 1,710,203 km (0.062 R)
• M6: 2,164,083 km (0.111 R)
• M7: 2,478,837 km (0.059 R)
• M8: 2,994,351 km (0.049 R)
• M9: 3,334,686 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.9

Radius: 12

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.82 AU - 1.34 AU

Year: 736 Days

Day: 11.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,656,523 km

• M1: 149,299 km (0.112 R)
• M2: 717,172 km (0.116 R)
• M3: 1,397,843 km (0.115 R)
• M4: 2,325,948 km (0.091 R)
• M5: 2,766,813 km (0.037 R)
• M6: 3,819,533 km (0.056 R)
• M7: 4,192,630 km (0.066 R)
• M8: 5,252,381 km (0.101 R)
• M9: 5,936,791 km (0.106 R)
• M10: 6,375,263 km (0.1 R)
• M11: 7,177,706 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.5

Radius: 13

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.99 AU - 1.49 AU

Year: 906 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,656,523 km

• M1: 161,715 km (0.092 R)
• M2: 642,224 km (0.052 R)
• M3: 1,064,538 km (0.109 R)
• M4: 1,625,381 km (0.105 R)
• M5: 2,049,940 km (0.061 R)
• M6: 2,617,664 km (0.04 R)
• M7: 3,119,415 km (0.111 R)
• M8: 4,488,086 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 14.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.18 AU - 1.96 AU

Year: 1291 Days

Day: 6.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,656,523 km

• M1: 178,470 km (0.081 R)
• M2: 697,575 km (0.12 R)
• M3: 1,573,321 km (0.053 R)
• M4: 2,036,326 km (0.027 R)
• M5: 2,677,353 km (0.1 R)
• M6: 3,248,069 km (0.079 R)
• M7: 3,835,540 km (0.079 R)
• M8: 4,511,273 km (0.114 R)
• M9: 5,487,250 km (0.057 R)
• M10: 6,280,418 km (0.115 R)
• M11: 6,882,549 km (0.118 R)
• M12: 7,446,982 km (0.11 R)
• M13: 9,388,014 km (0.069 R)
• M14: 10,270,791 km (0.106 R)
• M15: 11,075,778 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.7

Radius: 13.5

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.75 AU - 2.69 AU

Year: 2170 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,656,523 km

• M1: 168,896 km (0.092 R)
• M2: 806,183 km (0.069 R)
• M3: 1,287,290 km (0.084 R)
• M4: 1,964,370 km (0.057 R)
• M5: 2,459,090 km (0.108 R)
• M6: 2,884,546 km (0.107 R)
• M7: 5,171,000 km (0.111 R)
• M8: 5,810,680 km (0.082 R)
• M9: 7,121,008 km (0.09 R)
• M10: 7,887,099 km (0.106 R)
• M11: 8,678,172 km (0.11 R)
• M12: 10,287,397 km (0.102 R)
• M13: 10,786,754 km (0.115 R)
• M14: 11,583,662 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.5

Radius: 8.2

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.3 AU - 3.1 AU

Year: 2910 Days

Day: 7.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,656,523 km

• M1: 102,475 km (0.112 R)
• M2: 399,426 km (0.063 R)
• M3: 787,633 km (0.096 R)
• M4: 1,542,354 km (0.073 R)
• M5: 1,813,126 km (0.082 R)
• M6: 2,279,872 km (0.105 R)
• M7: 2,696,502 km (0.092 R)
• M8: 3,110,738 km (0.12 R)
• M9: 3,861,420 km (0.053 R)
• M10: 4,750,780 km (0.111 R)
• M11: 5,381,634 km (0.083 R)
• M12: 6,177,644 km (0.103 R)
• M13: 6,459,786 km (0.088 R)
• M14: 7,110,836 km (0.114 R)
• M15: 7,772,507 km (0.119 R)
• M16: 8,894,192 km (0.09 R)
• M17: 9,889,317 km (0.076 R)
• M18: 11,667,288 km (0.101 R)
• M19: 12,186,991 km (0.116 R)
• M20: 13,365,971 km (0.069 R)
• M21: 15,949,078 km (0.076 R)
• M22: 16,320,380 km (0.046 R)
• M23: 17,135,688 km (0.086 R)
• M24: 17,469,441 km (0.095 R)
• M25: 19,805,412 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 11.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.93 AU - 4.35 AU

Year: 4556 Days

Day: 9.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,656,523 km

• M1: 139,276 km (0.096 R)
• M2: 609,911 km (0.106 R)
• M3: 1,294,321 km (0.103 R)
• M4: 1,820,756 km (0.065 R)
• M5: 3,166,239 km (0.09 R)
• M6: 4,069,062 km (0.106 R)
• M7: 4,799,997 km (0.047 R)
• M8: 5,259,263 km (0.055 R)
• M9: 6,816,128 km (0.094 R)
• M10: 7,429,329 km (0.117 R)
• M11: 7,912,979 km (0.059 R)
• M12: 9,015,366 km (0.104 R)
• M13: 9,792,677 km (0.064 R)
• M14: 10,979,885 km (0.086 R)
• M15: 11,694,066 km (0.075 R)
• M16: 15,322,263 km (0.103 R)
• M17: 16,001,138 km (0.068 R)
• M18: 17,758,015 km (0.087 R)
• M19: 18,448,858 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.7

Radius: 6.6

Gravity: 16.61 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.03 AU - 6.99 AU

Year: 9665 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,656,523 km

• M1: 82,129 km (0.09 R)
• M2: 440,865 km (0.115 R)
• M3: 692,489 km (0.037 R)
• M4: 900,280 km (0.107 R)
• M5: 1,256,024 km (0.087 R)
• M6: 1,905,428 km (0.05 R)
• M7: 2,124,739 km (0.09 R)
• M8: 2,843,407 km (0.094 R)
• M9: 3,063,016 km (0.113 R)
• M10: 3,389,738 km (0.077 R)
• M11: 3,896,426 km (0.115 R)
• M12: 4,308,718 km (0.111 R)
• M13: 4,540,295 km (0.103 R)
• M14: 5,483,660 km (0.042 R)
• M15: 6,819,569 km (0.064 R)
• M16: 7,418,558 km (0.108 R)
• M17: 7,667,639 km (0.098 R)
• M18: 9,045,136 km (0.119 R)
• M19: 10,016,774 km (0.09 R)
• M20: 11,056,180 km (0.106 R)
• M21: 11,272,499 km (0.029 R)
• M22: 12,396,278 km (0.107 R)
• M23: 13,903,776 km (0.096 R)
• M24: 15,194,805 km (0.113 R)
• M25: 16,353,291 km (0.047 R)
• M26: 17,569,672 km (0.085 R)
• M27: 25,683,262 km (0.067 R)
• M28: 28,018,185 km (0.111 R)
• M29: 32,108,041 km (0.05 R)
• M30: 34,581,941 km (0.12 R)
• M31: 35,629,725 km (0.052 R)
• M32: 41,058,183 km (0.099 R)
• M33: 45,059,627 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.4

Radius: 3.5

Gravity: 67.95 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 7.01 AU - 9.03 AU

Year: 14899 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,656,523 km

• M1: 43,533 km (0.104 R)
• M2: 211,232 km (0.029 R)
• M3: 438,920 km (0.085 R)
• M4: 931,247 km (0.045 R)
• M5: 1,060,649 km (0.082 R)
• M6: 1,445,564 km (0.111 R)
• M7: 2,375,165 km (0.051 R)
• M8: 2,641,300 km (0.067 R)
• M9: 3,154,720 km (0.116 R)
• M10: 3,968,682 km (0.09 R)
• M11: 4,153,136 km (0.105 R)
• M12: 5,840,750 km (0.117 R)
• M13: 6,039,266 km (0.101 R)
• M14: 6,534,136 km (0.098 R)
• M15: 8,033,555 km (0.092 R)
• M16: 8,180,311 km (0.09 R)
• M17: 10,197,488 km (0.075 R)
• M18: 11,879,866 km (0.109 R)
• M19: 12,392,688 km (0.089 R)
• M20: 13,599,942 km (0.073 R)
• M21: 13,948,655 km (0.105 R)
• M22: 15,782,575 km (0.118 R)
• M23: 23,013,688 km (0.103 R)
• M24: 23,809,249 km (0.094 R)
• M25: 24,010,907 km (0.095 R)
• M26: 24,829,058 km (0.069 R)
• M27: 29,084,968 km (0.092 R)
• M28: 30,843,491 km (0.103 R)
• M29: 35,088,929 km (0.04 R)
• M30: 38,725,503 km (0.102 R)
• M31: 38,864,928 km (0.056 R)
• M32: 39,991,400 km (0.107 R)
• M33: 45,640,814 km (0.104 R)
• M34: 46,421,566 km (0.107 R)
• M35: 49,469,622 km (0.072 R)
• M36: 55,428,853 km (0.086 R)
• M37: 55,960,823 km (0.088 R)
• M38: 60,714,745 km (0.066 R)
• M39: 62,996,860 km (0.044 R)
• M40: 63,576,103 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.5

Radius: 5.1

Gravity: 14.28 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.81 AU - 11.27 AU

Year: 19330 Days

Day: 23.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,656,523 km

• M1: 63,579 km (0.108 R)
• M2: 943,663 km (0.047 R)
• M3: 1,715,888 km (0.034 R)
• M4: 2,030,342 km (0.115 R)
• M5: 2,201,632 km (0.115 R)
• M6: 3,912,433 km (0.094 R)
• M7: 6,116,459 km (0.045 R)
• M8: 7,279,732 km (0.113 R)
• M9: 8,148,596 km (0.051 R)
• M10: 8,831,361 km (0.057 R)
• M11: 13,217,121 km (0.093 R)
• M12: 13,415,039 km (0.097 R)
• M13: 15,725,279 km (0.063 R)
• M14: 16,550,611 km (0.106 R)
• M15: 21,658,929 km (0.077 R)
• M16: 22,398,092 km (0.084 R)
• M17: 31,672,412 km (0.111 R)
• M18: 37,935,776 km (0.112 R)
• M19: 57,267,860 km (0.103 R)
• M20: 60,293,627 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 17,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit