🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.9

Radius: 10.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.53 AU - 0.73 AU

Year: 345 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,487,366 km

• M1: 134,488 km (0.09 R)
• M2: 671,395 km (0.114 R)
• M3: 1,038,957 km (0.099 R)
• M4: 2,246,810 km (0.062 R)
• M5: 3,178,207 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479

Radius: 9.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.72 AU - 0.88 AU

Year: 494 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,487,366 km

• M1: 120,576 km (0.053 R)
• M2: 634,893 km (0.105 R)
• M3: 960,119 km (0.12 R)
• M4: 1,319,603 km (0.106 R)
• M5: 1,646,175 km (0.118 R)
• M6: 2,239,630 km (0.103 R)
• M7: 2,543,164 km (0.075 R)
• M8: 2,884,845 km (0.046 R)
• M9: 3,419,957 km (0.069 R)
• M10: 3,812,651 km (0.106 R)
• M11: 4,557,948 km (0.044 R)
• M12: 5,333,164 km (0.031 R)
• M13: 5,643,580 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.7

Radius: 8.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.93 AU - 0.97 AU

Year: 639 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,487,366 km

• M1: 103,671 km (0.077 R)
• M2: 406,457 km (0.072 R)
• M3: 760,705 km (0.074 R)
• M4: 1,058,555 km (0.07 R)
• M5: 1,331,571 km (0.066 R)
• M6: 1,681,630 km (0.095 R)
• M7: 1,940,284 km (0.088 R)
• M8: 3,548,312 km (0.118 R)
• M9: 4,696,176 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.5

Radius: 11.5

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.31 AU - 2.87 AU

Year: 2877 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,487,366 km

• M1: 143,464 km (0.099 R)
• M2: 664,813 km (0.117 R)
• M3: 1,159,982 km (0.043 R)
• M4: 1,604,138 km (0.043 R)
• M5: 2,161,988 km (0.09 R)
• M6: 2,598,216 km (0.066 R)
• M7: 2,959,644 km (0.109 R)
• M8: 4,211,030 km (0.085 R)
• M9: 4,623,322 km (0.037 R)
• M10: 5,062,542 km (0.112 R)
• M11: 7,076,129 km (0.057 R)
• M12: 7,629,791 km (0.102 R)
• M13: 8,789,025 km (0.117 R)
• M14: 9,392,802 km (0.079 R)
• M15: 10,643,889 km (0.114 R)
• M16: 11,495,998 km (0.095 R)
• M17: 12,089,004 km (0.091 R)
• M18: 12,657,775 km (0.112 R)
• M19: 13,382,128 km (0.095 R)
• M20: 13,801,750 km (0.074 R)
• M21: 15,876,822 km (0.093 R)
• M22: 16,719,656 km (0.09 R)
• M23: 18,494,186 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.7

Radius: 14

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.54 AU - 3.64 AU

Year: 3749 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,487,366 km

• M1: 174,132 km (0.047 R)
• M2: 807,679 km (0.087 R)
• M3: 1,477,429 km (0.1 R)
• M4: 2,188,318 km (0.044 R)
• M5: 2,732,256 km (0.1 R)
• M6: 4,030,466 km (0.118 R)
• M7: 4,585,025 km (0.117 R)
• M8: 5,963,570 km (0.036 R)
• M9: 7,167,384 km (0.117 R)
• M10: 8,453,925 km (0.111 R)
• M11: 8,979,014 km (0.116 R)
• M12: 10,261,816 km (0.054 R)
• M13: 11,481,487 km (0.115 R)
• M14: 13,692,394 km (0.117 R)
• M15: 16,173,923 km (0.089 R)
• M16: 17,581,490 km (0.097 R)
• M17: 20,106,702 km (0.101 R)
• M18: 21,663,716 km (0.113 R)
• M19: 23,445,726 km (0.107 R)
• M20: 25,555,505 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.7

Radius: 9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.37 AU - 3.67 AU

Year: 4559 Days

Day: 14.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,487,366 km

• M1: 117,883 km (0.055 R)
• M2: 684,111 km (0.108 R)
• M3: 1,845,439 km (0.116 R)
• M4: 2,786,709 km (0.084 R)
• M5: 4,220,754 km (0.083 R)
• M6: 5,910,462 km (0.101 R)
• M7: 6,834,379 km (0.076 R)
• M8: 8,137,077 km (0.075 R)
• M9: 8,594,996 km (0.1 R)
• M10: 10,146,625 km (0.111 R)
• M11: 10,562,058 km (0.112 R)
• M12: 12,987,190 km (0.055 R)
• M13: 15,363,701 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 14.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.38 AU - 4.64 AU

Year: 5543 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,487,366 km

• M1: 181,612 km (0.081 R)
• M2: 721,810 km (0.108 R)
• M3: 1,672,953 km (0.071 R)
• M4: 2,547,353 km (0.058 R)
• M5: 3,750,419 km (0.072 R)
• M6: 4,595,796 km (0.114 R)
• M7: 5,278,860 km (0.08 R)
• M8: 5,862,441 km (0.027 R)
• M9: 6,607,439 km (0.089 R)
• M10: 7,350,641 km (0.086 R)
• M11: 9,340,442 km (0.069 R)
• M12: 9,919,087 km (0.083 R)
• M13: 12,755,462 km (0.118 R)
• M14: 13,909,610 km (0.099 R)
• M15: 15,608,743 km (0.049 R)
• M16: 19,665,238 km (0.095 R)
• M17: 20,361,018 km (0.114 R)
• M18: 21,735,075 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.3

Radius: 8.3

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.46 AU - 4.92 AU

Year: 7011 Days

Day: 12.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,487,366 km

• M1: 103,522 km (0.098 R)
• M2: 791,373 km (0.044 R)
• M3: 1,376,749 km (0.078 R)
• M4: 1,966,464 km (0.088 R)
• M5: 2,310,988 km (0.117 R)
• M6: 2,676,156 km (0.098 R)
• M7: 3,100,865 km (0.073 R)
• M8: 3,408,438 km (0.102 R)
• M9: 3,688,186 km (0.114 R)
• M10: 5,736,480 km (0.106 R)
• M11: 6,444,078 km (0.105 R)
• M12: 6,984,276 km (0.073 R)
• M13: 11,386,343 km (0.091 R)
• M14: 11,908,589 km (0.088 R)
• M15: 16,022,381 km (0.053 R)
• M16: 16,545,674 km (0.063 R)
• M17: 17,903,873 km (0.097 R)
• M18: 18,897,801 km (0.104 R)
• M19: 21,622,128 km (0.103 R)
• M20: 27,555,629 km (0.103 R)
• M21: 27,835,676 km (0.105 R)
• M22: 28,212,214 km (0.088 R)
• M23: 29,071,653 km (0.051 R)
• M24: 31,652,516 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.7

Radius: 5.7

Gravity: 22.58 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.46 AU - 9.92 AU

Year: 17682 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 77.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,487,366 km

• M1: 73,453 km (0.092 R)
• M2: 289,322 km (0.101 R)
• M3: 585,975 km (0.071 R)
• M4: 792,869 km (0.1 R)
• M5: 1,258,866 km (0.095 R)
• M6: 1,677,591 km (0.075 R)
• M7: 2,987,320 km (0.093 R)
• M8: 3,758,946 km (0.12 R)
• M9: 6,049,738 km (0.09 R)
• M10: 6,341,753 km (0.03 R)
• M11: 7,044,265 km (0.079 R)
• M12: 7,274,196 km (0.096 R)
• M13: 8,043,728 km (0.1 R)
• M14: 8,448,091 km (0.096 R)
• M15: 8,919,175 km (0.114 R)
• M16: 10,736,938 km (0.092 R)
• M17: 10,918,999 km (0.111 R)
• M18: 11,227,171 km (0.054 R)
• M19: 12,055,644 km (0.055 R)
• M20: 13,408,607 km (0.059 R)
• M21: 16,735,663 km (0.093 R)
• M22: 18,501,666 km (0.057 R)
• M23: 19,384,892 km (0.077 R)
• M24: 20,203,342 km (0.059 R)
• M25: 20,574,494 km (0.083 R)
• M26: 23,914,566 km (0.061 R)
• M27: 29,220,204 km (0.062 R)
• M28: 30,054,063 km (0.095 R)
• M29: 41,481,246 km (0.088 R)
• M30: 41,780,292 km (0.112 R)
• M31: 42,080,684 km (0.086 R)
• M32: 43,143,428 km (0.074 R)
• M33: 50,747,487 km (0.075 R)
• M34: 54,953,731 km (0.069 R)
• M35: 62,470,874 km (0.1 R)
• M36: 67,294,508 km (0.102 R)
• M37: 68,746,804 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.1

Radius: 3.5

Gravity: 20.91 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.19 AU - 12.63 AU

Year: 23184 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,487,366 km

• M1: 44,131 km (0.053 R)
• M2: 173,234 km (0.084 R)
• M3: 669,750 km (0.064 R)
• M4: 838,047 km (0.079 R)
• M5: 1,844,243 km (0.08 R)
• M6: 2,137,604 km (0.047 R)
• M7: 2,315,925 km (0.038 R)
• M8: 2,525,511 km (0.046 R)
• M9: 2,887,089 km (0.108 R)
• M10: 3,360,267 km (0.076 R)
• M11: 4,363,620 km (0.101 R)
• M12: 4,585,923 km (0.099 R)
• M13: 6,003,961 km (0.073 R)
• M14: 6,480,580 km (0.116 R)
• M15: 9,247,542 km (0.097 R)
• M16: 9,455,932 km (0.097 R)
• M17: 11,654,721 km (0.11 R)
• M18: 12,082,571 km (0.034 R)
• M19: 14,103,339 km (0.029 R)
• M20: 18,141,584 km (0.085 R)
• M21: 18,550,286 km (0.089 R)
• M22: 19,049,045 km (0.06 R)
• M23: 19,556,481 km (0.071 R)
• M24: 21,585,776 km (0.098 R)
• M25: 22,137,343 km (0.105 R)
• M26: 22,604,089 km (0.112 R)
• M27: 22,887,277 km (0.118 R)
• M28: 23,172,860 km (0.096 R)
• M29: 24,240,091 km (0.117 R)
• M30: 28,727,279 km (0.06 R)
• M31: 31,810,192 km (0.073 R)
• M32: 31,928,524 km (0.032 R)
• M33: 40,954,063 km (0.09 R)
• M34: 41,515,803 km (0.119 R)
• M35: 46,044,280 km (0.099 R)
• M36: 48,348,985 km (0.098 R)
• M37: 50,729,386 km (0.032 R)
• M38: 58,870,053 km (0.113 R)
• M39: 59,226,844 km (0.043 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 14,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit