🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.6

Radius: 14.7

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.49 AU - 0.71 AU

Year: 315 Days

Day: 10.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,901,551 km

• M1: 189,541 km (0.081 R)
• M2: 488,287 km (0.093 R)
• M3: 839,693 km (0.038 R)
• M4: 1,223,411 km (0.114 R)
• M5: 1,548,039 km (0.053 R)
• M6: 1,980,975 km (0.09 R)
• M7: 2,270,297 km (0.101 R)
• M8: 2,932,118 km (0.035 R)
• M9: 3,326,608 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 11.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.3 AU - 1.3 AU

Year: 1005 Days

Day: 8.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,901,551 km

• M1: 170,093 km (0.094 R)
• M2: 1,289,384 km (0.096 R)
• M3: 1,537,268 km (0.056 R)
• M4: 1,764,656 km (0.047 R)
• M5: 2,743,475 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.8

Radius: 11.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.11 AU - 1.83 AU

Year: 1209 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,901,551 km

• M1: 159,621 km (0.032 R)
• M2: 477,816 km (0.09 R)
• M3: 726,298 km (0.072 R)
• M4: 1,034,170 km (0.07 R)
• M5: 1,401,882 km (0.114 R)
• M6: 1,633,459 km (0.115 R)
• M7: 1,917,546 km (0.067 R)
• M8: 3,479,946 km (0.072 R)
• M9: 3,832,099 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 12

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.16 AU - 3.36 AU

Year: 3110 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,901,551 km

• M1: 171,738 km (0.09 R)
• M2: 450,290 km (0.051 R)
• M3: 733,628 km (0.08 R)
• M4: 960,119 km (0.098 R)
• M5: 1,364,033 km (0.08 R)
• M6: 1,800,710 km (0.095 R)
• M7: 2,115,763 km (0.085 R)
• M8: 5,133,152 km (0.064 R)
• M9: 5,517,169 km (0.102 R)
• M10: 6,189,014 km (0.028 R)
• M11: 6,587,243 km (0.111 R)
• M12: 7,780,436 km (0.043 R)
• M13: 8,852,005 km (0.079 R)
• M14: 9,328,774 km (0.103 R)
• M15: 10,320,608 km (0.114 R)
• M16: 10,621,898 km (0.081 R)
• M17: 12,888,006 km (0.113 R)
• M18: 13,497,767 km (0.05 R)
• M19: 14,760,074 km (0.116 R)
• M20: 15,633,277 km (0.075 R)
• M21: 15,929,929 km (0.079 R)
• M22: 16,531,761 km (0.069 R)
• M23: 16,913,535 km (0.041 R)
• M24: 17,848,073 km (0.112 R)
• M25: 18,364,784 km (0.082 R)
• M26: 18,888,975 km (0.111 R)
• M27: 20,168,785 km (0.091 R)
• M28: 20,548,315 km (0.068 R)
• M29: 21,017,005 km (0.06 R)
• M30: 21,404,463 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.4

Radius: 12.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.94 AU - 3.4 AU

Year: 3828 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,901,551 km

• M1: 160,369 km (0.12 R)
• M2: 392,694 km (0.05 R)
• M3: 1,272,928 km (0.096 R)
• M4: 1,950,607 km (0.097 R)
• M5: 2,377,858 km (0.093 R)
• M6: 2,787,756 km (0.068 R)
• M7: 3,165,042 km (0.06 R)
• M8: 4,501,550 km (0.116 R)
• M9: 5,182,220 km (0.079 R)
• M10: 5,653,304 km (0.112 R)
• M11: 6,431,661 km (0.045 R)
• M12: 7,210,169 km (0.115 R)
• M13: 8,160,863 km (0.115 R)
• M14: 8,865,918 km (0.058 R)
• M15: 9,898,891 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.2

Radius: 11.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.79 AU - 4.19 AU

Year: 4422 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,901,551 km

• M1: 169,943 km (0.112 R)
• M2: 512,373 km (0.061 R)
• M3: 845,378 km (0.12 R)
• M4: 1,170,155 km (0.108 R)
• M5: 1,753,437 km (0.106 R)
• M6: 2,045,601 km (0.097 R)
• M7: 2,898,758 km (0.091 R)
• M8: 3,136,619 km (0.062 R)
• M9: 3,493,709 km (0.034 R)
• M10: 4,146,703 km (0.094 R)
• M11: 4,836,200 km (0.073 R)
• M12: 5,078,100 km (0.112 R)
• M13: 5,533,775 km (0.116 R)
• M14: 6,606,691 km (0.107 R)
• M15: 7,259,685 km (0.087 R)
• M16: 8,485,490 km (0.116 R)
• M17: 9,225,252 km (0.119 R)
• M18: 10,122,690 km (0.102 R)
• M19: 12,079,280 km (0.104 R)
• M20: 12,498,603 km (0.101 R)
• M21: 13,541,898 km (0.112 R)
• M22: 14,248,300 km (0.079 R)
• M23: 14,475,240 km (0.103 R)
• M24: 15,834,785 km (0.108 R)
• M25: 16,436,168 km (0.105 R)
• M26: 16,802,534 km (0.103 R)
• M27: 21,009,226 km (0.092 R)
• M28: 21,285,084 km (0.105 R)
• M29: 22,453,444 km (0.084 R)
• M30: 22,690,855 km (0.108 R)
• M31: 23,121,548 km (0.111 R)
• M32: 24,884,559 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772

Radius: 11.6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.79 AU - 4.21 AU

Year: 4441 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 57,901,551 km

• M1: 146,606 km (0.12 R)
• M2: 678,576 km (0.112 R)
• M3: 1,039,256 km (0.044 R)
• M4: 1,479,822 km (0.032 R)
• M5: 1,950,008 km (0.069 R)
• M6: 2,173,208 km (0.077 R)
• M7: 2,744,523 km (0.117 R)
• M8: 2,974,754 km (0.113 R)
• M9: 3,425,492 km (0.115 R)
• M10: 4,207,141 km (0.116 R)
• M11: 6,204,721 km (0.082 R)
• M12: 6,828,694 km (0.101 R)
• M13: 8,382,866 km (0.109 R)
• M14: 9,204,757 km (0.092 R)
• M15: 10,099,502 km (0.115 R)
• M16: 10,545,304 km (0.093 R)
• M17: 10,930,219 km (0.095 R)
• M18: 11,250,209 km (0.106 R)
• M19: 11,794,147 km (0.108 R)
• M20: 12,015,402 km (0.056 R)
• M21: 12,844,174 km (0.063 R)
• M22: 14,790,741 km (0.119 R)
• M23: 15,498,489 km (0.117 R)
• M24: 15,794,842 km (0.094 R)
• M25: 17,229,785 km (0.104 R)
• M26: 17,722,112 km (0.079 R)
• M27: 19,147,031 km (0.105 R)
• M28: 20,822,528 km (0.025 R)
• M29: 21,861,934 km (0.074 R)
• M30: 22,824,147 km (0.116 R)
• M31: 25,781,847 km (0.103 R)
• M32: 27,272,589 km (0.112 R)
• M33: 27,835,377 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.1

Radius: 11

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.44 AU - 4.8 AU

Year: 5672 Days

Day: 14.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 102.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,901,551 km

• M1: 142,417 km (0.062 R)
• M2: 387,010 km (0.04 R)
• M3: 653,294 km (0.065 R)
• M4: 1,916,050 km (0.085 R)
• M5: 2,252,794 km (0.12 R)
• M6: 2,528,802 km (0.103 R)
• M7: 2,747,066 km (0.053 R)
• M8: 3,191,820 km (0.113 R)
• M9: 3,958,210 km (0.108 R)
• M10: 4,209,385 km (0.111 R)
• M11: 4,420,916 km (0.118 R)
• M12: 5,190,597 km (0.098 R)
• M13: 5,747,999 km (0.049 R)
• M14: 6,420,741 km (0.118 R)
• M15: 6,980,386 km (0.091 R)
• M16: 7,595,233 km (0.116 R)
• M17: 9,457,577 km (0.064 R)
• M18: 9,704,863 km (0.112 R)
• M19: 10,614,867 km (0.083 R)
• M20: 10,914,661 km (0.097 R)
• M21: 12,437,268 km (0.115 R)
• M22: 13,008,283 km (0.09 R)
• M23: 14,232,592 km (0.116 R)
• M24: 15,738,594 km (0.083 R)
• M25: 16,427,342 km (0.089 R)
• M26: 16,894,836 km (0.107 R)
• M27: 17,656,438 km (0.11 R)
• M28: 19,381,451 km (0.053 R)
• M29: 23,295,380 km (0.083 R)
• M30: 25,157,575 km (0.087 R)
• M31: 27,994,549 km (0.096 R)
• M32: 32,732,463 km (0.054 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.3

Radius: 8.5

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.01 AU - 6.57 AU

Year: 8252 Days

Day: 5.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,901,551 km

• M1: 112,498 km (0.103 R)
• M2: 672,143 km (0.034 R)
• M3: 845,527 km (0.114 R)
• M4: 1,316,760 km (0.059 R)
• M5: 2,277,328 km (0.08 R)
• M6: 4,461,906 km (0.12 R)
• M7: 4,978,019 km (0.083 R)
• M8: 6,474,147 km (0.071 R)
• M9: 6,961,986 km (0.103 R)
• M10: 7,195,807 km (0.1 R)
• M11: 7,571,148 km (0.079 R)
• M12: 8,570,163 km (0.114 R)
• M13: 9,632,009 km (0.07 R)
• M14: 12,118,624 km (0.032 R)
• M15: 14,267,598 km (0.12 R)
• M16: 14,844,597 km (0.112 R)
• M17: 15,982,588 km (0.106 R)
• M18: 16,696,170 km (0.092 R)
• M19: 18,062,746 km (0.091 R)
• M20: 19,150,771 km (0.095 R)
• M21: 19,316,825 km (0.03 R)
• M22: 20,100,867 km (0.098 R)
• M23: 26,676,292 km (0.065 R)
• M24: 28,063,214 km (0.12 R)
• M25: 29,622,772 km (0.067 R)
• M26: 31,154,056 km (0.11 R)
• M27: 31,720,433 km (0.1 R)
• M28: 32,651,830 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.3

Radius: 6.4

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.88 AU - 8.2 AU

Year: 14043 Days

Day: 16.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,901,551 km

• M1: 81,082 km (0.109 R)
• M2: 294,708 km (0.094 R)
• M3: 440,416 km (0.117 R)
• M4: 612,454 km (0.092 R)
• M5: 844,330 km (0.075 R)
• M6: 1,523,056 km (0.091 R)
• M7: 1,830,180 km (0.074 R)
• M8: 2,533,290 km (0.091 R)
• M9: 2,955,007 km (0.094 R)
• M10: 4,201,606 km (0.101 R)
• M11: 4,580,537 km (0.086 R)
• M12: 5,816,964 km (0.102 R)
• M13: 7,082,113 km (0.097 R)
• M14: 7,448,927 km (0.065 R)
• M15: 7,740,792 km (0.115 R)
• M16: 8,517,205 km (0.094 R)
• M17: 9,989,996 km (0.096 R)
• M18: 13,180,620 km (0.119 R)
• M19: 13,680,725 km (0.043 R)
• M20: 16,016,696 km (0.098 R)
• M21: 16,629,748 km (0.119 R)
• M22: 20,481,295 km (0.104 R)
• M23: 25,266,781 km (0.055 R)
• M24: 25,496,264 km (0.113 R)
• M25: 31,401,491 km (0.111 R)
• M26: 33,126,952 km (0.035 R)
• M27: 36,349,291 km (0.051 R)
• M28: 38,959,025 km (0.059 R)
• M29: 40,975,904 km (0.111 R)
• M30: 44,046,550 km (0.108 R)
• M31: 44,856,922 km (0.112 R)
• M32: 47,228,197 km (0.118 R)
• M33: 49,126,594 km (0.094 R)
• M34: 51,062,391 km (0.117 R)
• M35: 52,704,227 km (0.069 R)
• M36: 53,035,736 km (0.098 R)
• M37: 56,636,407 km (0.063 R)
• M38: 56,980,034 km (0.092 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: 486 - 11,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit