🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.1

Radius: 8.6

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.64 AU - 0.88 AU

Year: 442 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,700,280 km

• M1: 106,962 km (0.087 R)
• M2: 387,608 km (0.1 R)
• M3: 662,120 km (0.117 R)
• M4: 970,142 km (0.052 R)
• M5: 1,450,651 km (0.043 R)
• M6: 2,397,455 km (0.041 R)
• M7: 2,764,120 km (0.089 R)
• M8: 3,201,394 km (0.106 R)
• M9: 3,936,967 km (0.117 R)
• M10: 4,899,629 km (0.087 R)
• M11: 5,509,241 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.9

Radius: 14.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.59 AU - 0.97 AU

Year: 459 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,700,280 km

• M1: 186,549 km (0.09 R)
• M2: 745,596 km (0.085 R)
• M3: 1,242,261 km (0.095 R)
• M4: 3,578,680 km (0.103 R)
• M5: 4,249,028 km (0.104 R)
• M6: 4,801,942 km (0.083 R)
• M7: 5,452,394 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 11.5

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1 AU - 1.36 AU

Year: 855 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,700,280 km

• M1: 143,016 km (0.085 R)
• M2: 501,302 km (0.093 R)
• M3: 872,006 km (0.109 R)
• M4: 1,270,385 km (0.059 R)
• M5: 1,939,536 km (0.076 R)
• M6: 2,488,710 km (0.108 R)
• M7: 2,982,982 km (0.109 R)
• M8: 4,010,719 km (0.101 R)
• M9: 4,418,373 km (0.116 R)
• M10: 5,472,290 km (0.054 R)
• M11: 6,509,153 km (0.106 R)
• M12: 7,357,522 km (0.097 R)
• M13: 8,047,318 km (0.115 R)
• M14: 8,806,677 km (0.11 R)
• M15: 9,699,328 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 10.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.71 AU - 1.75 AU

Year: 1517 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,700,280 km

• M1: 143,764 km (0.037 R)
• M2: 557,850 km (0.033 R)
• M3: 888,911 km (0.082 R)
• M4: 2,043,357 km (0.057 R)
• M5: 2,412,565 km (0.109 R)
• M6: 2,970,565 km (0.081 R)
• M7: 4,345,519 km (0.103 R)
• M8: 4,789,825 km (0.045 R)
• M9: 5,466,605 km (0.07 R)
• M10: 6,205,768 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 14.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.89 AU - 2.87 AU

Year: 2448 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,700,280 km

• M1: 185,352 km (0.098 R)
• M2: 666,309 km (0.11 R)
• M3: 1,350,570 km (0.088 R)
• M4: 1,899,743 km (0.065 R)
• M5: 2,451,460 km (0.076 R)
• M6: 3,284,870 km (0.107 R)
• M7: 4,185,000 km (0.092 R)
• M8: 4,937,029 km (0.078 R)
• M9: 5,448,803 km (0.114 R)
• M10: 6,120,049 km (0.077 R)
• M11: 7,399,260 km (0.095 R)
• M12: 8,193,475 km (0.102 R)
• M13: 9,609,419 km (0.073 R)
• M14: 10,092,620 km (0.099 R)
• M15: 11,563,616 km (0.066 R)
• M16: 12,839,985 km (0.109 R)
• M17: 13,770,783 km (0.117 R)
• M18: 14,341,649 km (0.117 R)
• M19: 16,440,806 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 13.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.58 AU - 4.16 AU

Year: 4125 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,700,280 km

• M1: 169,494 km (0.042 R)
• M2: 622,327 km (0.082 R)
• M3: 1,049,130 km (0.033 R)
• M4: 1,611,917 km (0.053 R)
• M5: 2,327,743 km (0.116 R)
• M6: 2,965,329 km (0.09 R)
• M7: 4,139,523 km (0.108 R)
• M8: 4,643,368 km (0.113 R)
• M9: 5,631,761 km (0.089 R)
• M10: 6,283,111 km (0.104 R)
• M11: 7,218,396 km (0.109 R)
• M12: 7,666,741 km (0.088 R)
• M13: 8,889,554 km (0.07 R)
• M14: 10,195,843 km (0.112 R)
• M15: 11,256,791 km (0.114 R)
• M16: 12,195,966 km (0.091 R)
• M17: 13,964,662 km (0.091 R)
• M18: 23,062,457 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.1

Radius: 8.6

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.02 AU - 4.82 AU

Year: 6197 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,700,280 km

• M1: 108,010 km (0.102 R)
• M2: 409,150 km (0.043 R)
• M3: 706,102 km (0.034 R)
• M4: 1,042,248 km (0.082 R)
• M5: 1,351,766 km (0.033 R)
• M6: 1,640,939 km (0.113 R)
• M7: 2,081,056 km (0.056 R)
• M8: 2,730,610 km (0.117 R)
• M9: 3,029,955 km (0.069 R)
• M10: 3,719,153 km (0.112 R)
• M11: 4,929,250 km (0.073 R)
• M12: 5,253,877 km (0.094 R)
• M13: 8,225,489 km (0.086 R)
• M14: 8,598,886 km (0.07 R)
• M15: 10,206,764 km (0.106 R)
• M16: 10,982,129 km (0.1 R)
• M17: 11,588,898 km (0.037 R)
• M18: 12,869,456 km (0.105 R)
• M19: 13,316,604 km (0.106 R)
• M20: 15,395,715 km (0.107 R)
• M21: 15,963,439 km (0.109 R)
• M22: 19,740,935 km (0.117 R)
• M23: 20,713,770 km (0.073 R)
• M24: 21,328,019 km (0.077 R)
• M25: 21,718,170 km (0.106 R)
• M26: 22,917,047 km (0.115 R)
• M27: 30,457,229 km (0.097 R)
• M28: 31,754,990 km (0.046 R)
• M29: 35,214,142 km (0.099 R)
• M30: 36,643,101 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 10.2

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.16 AU - 6.88 AU

Year: 8648 Days

Day: 6.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,700,280 km

• M1: 130,898 km (0.103 R)
• M2: 458,817 km (0.075 R)
• M3: 792,869 km (0.095 R)
• M4: 1,333,665 km (0.12 R)
• M5: 1,724,564 km (0.119 R)
• M6: 2,742,578 km (0.117 R)
• M7: 3,072,591 km (0.113 R)
• M8: 3,863,664 km (0.1 R)
• M9: 4,843,530 km (0.039 R)
• M10: 5,204,660 km (0.109 R)
• M11: 5,648,816 km (0.113 R)
• M12: 6,049,439 km (0.118 R)
• M13: 7,250,111 km (0.11 R)
• M14: 8,176,421 km (0.103 R)
• M15: 9,454,436 km (0.059 R)
• M16: 14,266,999 km (0.098 R)
• M17: 16,311,553 km (0.093 R)
• M18: 17,543,791 km (0.086 R)
• M19: 20,736,958 km (0.115 R)
• M20: 21,211,332 km (0.108 R)
• M21: 22,099,794 km (0.066 R)
• M22: 25,271,120 km (0.047 R)
• M23: 27,959,543 km (0.087 R)
• M24: 28,831,399 km (0.085 R)
• M25: 33,033,304 km (0.073 R)
• M26: 34,336,302 km (0.069 R)
• M27: 39,528,844 km (0.09 R)
• M28: 40,136,211 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.9

Radius: 5.4

Gravity: 19.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.92 AU - 8.96 AU

Year: 17825 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,700,280 km

• M1: 79,436 km (0.034 R)
• M2: 270,323 km (0.069 R)
• M3: 553,662 km (0.086 R)
• M4: 757,564 km (0.052 R)
• M5: 1,609,673 km (0.097 R)
• M6: 2,354,521 km (0.118 R)
• M7: 3,023,074 km (0.101 R)
• M8: 4,968,744 km (0.118 R)
• M9: 5,627,872 km (0.102 R)
• M10: 5,821,003 km (0.105 R)
• M11: 6,058,564 km (0.064 R)
• M12: 7,575,337 km (0.076 R)
• M13: 9,010,429 km (0.114 R)
• M14: 9,544,793 km (0.109 R)
• M15: 10,794,384 km (0.075 R)
• M16: 12,021,535 km (0.064 R)
• M17: 14,032,430 km (0.089 R)
• M18: 14,896,058 km (0.109 R)
• M19: 15,566,556 km (0.11 R)
• M20: 16,024,625 km (0.039 R)
• M21: 17,128,358 km (0.081 R)
• M22: 18,366,280 km (0.075 R)
• M23: 19,223,925 km (0.12 R)
• M24: 21,484,349 km (0.059 R)
• M25: 23,217,440 km (0.086 R)
• M26: 24,834,294 km (0.117 R)
• M27: 25,041,636 km (0.097 R)
• M28: 26,095,254 km (0.052 R)
• M29: 26,524,899 km (0.073 R)
• M30: 28,065,757 km (0.09 R)
• M31: 34,311,468 km (0.097 R)
• M32: 34,956,684 km (0.103 R)
• M33: 43,193,094 km (0.082 R)
• M34: 45,475,808 km (0.099 R)
• M35: 46,725,399 km (0.118 R)
• M36: 48,642,645 km (0.076 R)
• M37: 57,016,536 km (0.108 R)
• M38: 63,359,485 km (0.095 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: 292 - 16,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit