🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.7

Radius: 11.2

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.67 AU - 0.69 AU

Year: 362 Days

Day: 11.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,864,212 km

• M1: 139,874 km (0.057 R)
• M2: 514,317 km (0.12 R)
• M3: 1,217,577 km (0.065 R)
• M4: 1,647,521 km (0.117 R)
• M5: 2,013,737 km (0.045 R)
• M6: 2,852,831 km (0.058 R)
• M7: 3,239,392 km (0.079 R)
• M8: 3,772,110 km (0.059 R)
• M9: 5,355,305 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.1

Radius: 13.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.91 AU - 1.07 AU

Year: 636 Days

Day: 10.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,864,212 km

• M1: 172,935 km (0.078 R)
• M2: 691,741 km (0.106 R)
• M3: 1,186,311 km (0.056 R)
• M4: 1,924,277 km (0.097 R)
• M5: 2,728,815 km (0.031 R)
• M6: 3,366,251 km (0.081 R)
• M7: 4,116,185 km (0.108 R)
• M8: 4,875,993 km (0.117 R)
• M9: 5,368,619 km (0.046 R)
• M10: 6,218,634 km (0.072 R)
• M11: 6,861,456 km (0.103 R)
• M12: 7,307,258 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 10.5

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.02 AU - 1.56 AU

Year: 946 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,864,212 km

• M1: 130,599 km (0.109 R)
• M2: 503,546 km (0.088 R)
• M3: 913,744 km (0.067 R)
• M4: 1,459,926 km (0.067 R)
• M5: 2,379,803 km (0.089 R)
• M6: 3,543,226 km (0.103 R)
• M7: 3,898,072 km (0.12 R)
• M8: 4,466,544 km (0.109 R)
• M9: 5,244,153 km (0.09 R)
• M10: 5,604,086 km (0.042 R)
• M11: 6,131,418 km (0.064 R)
• M12: 7,019,880 km (0.08 R)
• M13: 8,202,152 km (0.083 R)
• M14: 8,882,673 km (0.104 R)
• M15: 9,308,877 km (0.064 R)
• M16: 10,418,744 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 13

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.93 AU - 2.01 AU

Year: 1785 Days

Day: 9.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,864,212 km

• M1: 162,164 km (0.031 R)
• M2: 728,392 km (0.08 R)
• M3: 1,275,621 km (0.062 R)
• M4: 1,904,530 km (0.091 R)
• M5: 3,087,999 km (0.113 R)
• M6: 4,640,227 km (0.059 R)
• M7: 5,186,857 km (0.103 R)
• M8: 6,993,401 km (0.111 R)
• M9: 7,895,327 km (0.104 R)
• M10: 8,374,788 km (0.111 R)
• M11: 9,718,775 km (0.119 R)
• M12: 10,332,575 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 10.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.77 AU - 2.93 AU

Year: 2326 Days

Day: 9.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 97.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,864,212 km

• M1: 130,599 km (0.081 R)
• M2: 649,853 km (0.033 R)
• M3: 988,992 km (0.085 R)
• M4: 1,385,426 km (0.11 R)
• M5: 2,228,410 km (0.081 R)
• M6: 2,647,583 km (0.088 R)
• M7: 3,249,415 km (0.079 R)
• M8: 4,024,632 km (0.105 R)
• M9: 5,197,180 km (0.106 R)
• M10: 5,720,922 km (0.114 R)
• M11: 6,752,249 km (0.102 R)
• M12: 10,010,342 km (0.11 R)
• M13: 11,854,285 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.2

Radius: 9.6

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.08 AU - 4.98 AU

Year: 5224 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 144.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,864,212 km

• M1: 119,379 km (0.067 R)
• M2: 977,921 km (0.104 R)
• M3: 1,324,988 km (0.101 R)
• M4: 1,837,810 km (0.108 R)
• M5: 2,655,811 km (0.037 R)
• M6: 3,261,383 km (0.079 R)
• M7: 3,676,368 km (0.08 R)
• M8: 4,747,339 km (0.104 R)
• M9: 5,052,070 km (0.119 R)
• M10: 7,309,502 km (0.089 R)
• M11: 8,257,802 km (0.105 R)
• M12: 9,243,204 km (0.081 R)
• M13: 10,259,422 km (0.073 R)
• M14: 10,676,650 km (0.097 R)
• M15: 12,617,384 km (0.107 R)
• M16: 17,379,084 km (0.027 R)
• M17: 17,707,152 km (0.063 R)
• M18: 18,647,973 km (0.093 R)
• M19: 20,410,385 km (0.082 R)
• M20: 24,182,047 km (0.084 R)
• M21: 26,017,164 km (0.088 R)
• M22: 28,758,246 km (0.113 R)
• M23: 29,402,863 km (0.099 R)
• M24: 34,496,371 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655

Radius: 13

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.8 AU - 5.52 AU

Year: 6495 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,864,212 km

• M1: 161,715 km (0.081 R)
• M2: 667,506 km (0.105 R)
• M3: 1,263,653 km (0.115 R)
• M4: 2,096,165 km (0.044 R)
• M5: 2,503,670 km (0.087 R)
• M6: 3,023,822 km (0.089 R)
• M7: 5,005,395 km (0.106 R)
• M8: 6,622,249 km (0.11 R)
• M9: 10,205,567 km (0.11 R)
• M10: 11,149,529 km (0.044 R)
• M11: 13,876,698 km (0.104 R)
• M12: 14,448,013 km (0.05 R)
• M13: 15,274,242 km (0.076 R)
• M14: 15,945,487 km (0.096 R)
• M15: 17,086,022 km (0.095 R)
• M16: 22,042,947 km (0.119 R)
• M17: 24,105,453 km (0.071 R)
• M18: 24,931,981 km (0.093 R)
• M19: 28,794,897 km (0.107 R)
• M20: 32,139,756 km (0.086 R)
• M21: 33,445,446 km (0.071 R)
• M22: 33,957,071 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.9

Radius: 6.9

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.45 AU - 8.99 AU

Year: 13850 Days

Day: 16.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,864,212 km

• M1: 87,216 km (0.084 R)
• M2: 709,842 km (0.071 R)
• M3: 2,983,131 km (0.112 R)
• M4: 3,229,968 km (0.089 R)
• M5: 4,451,135 km (0.065 R)
• M6: 4,840,837 km (0.029 R)
• M7: 5,953,546 km (0.097 R)
• M8: 7,359,617 km (0.115 R)
• M9: 7,905,051 km (0.036 R)
• M10: 8,140,069 km (0.063 R)
• M11: 8,379,725 km (0.046 R)
• M12: 9,076,103 km (0.093 R)
• M13: 9,703,067 km (0.088 R)
• M14: 10,754,292 km (0.09 R)
• M15: 11,160,151 km (0.036 R)
• M16: 13,278,157 km (0.058 R)
• M17: 13,543,843 km (0.035 R)
• M18: 16,627,654 km (0.045 R)
• M19: 16,858,782 km (0.115 R)
• M20: 18,869,527 km (0.116 R)
• M21: 22,787,346 km (0.111 R)
• M22: 26,685,567 km (0.099 R)
• M23: 29,517,605 km (0.082 R)
• M24: 29,743,497 km (0.072 R)
• M25: 32,905,996 km (0.09 R)
• M26: 33,761,098 km (0.059 R)
• M27: 40,721,887 km (0.114 R)
• M28: 42,277,405 km (0.086 R)
• M29: 43,433,348 km (0.057 R)
• M30: 47,800,110 km (0.035 R)
• M31: 52,285,503 km (0.102 R)
• M32: 57,922,500 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.4

Radius: 3.1

Gravity: 36.25 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.53 AU - 8.97 AU

Year: 13931 Days

Day: 16.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,864,212 km

• M1: 38,596 km (0.097 R)
• M2: 186,997 km (0.111 R)
• M3: 312,061 km (0.101 R)
• M4: 437,424 km (0.116 R)
• M5: 539,450 km (0.115 R)
• M6: 1,119,291 km (0.112 R)
• M7: 1,339,051 km (0.105 R)
• M8: 1,472,941 km (0.08 R)
• M9: 1,586,485 km (0.092 R)
• M10: 2,933,016 km (0.054 R)
• M11: 3,373,432 km (0.047 R)
• M12: 3,883,112 km (0.054 R)
• M13: 4,045,426 km (0.036 R)
• M14: 6,743,573 km (0.115 R)
• M15: 6,899,454 km (0.09 R)
• M16: 7,757,846 km (0.098 R)
• M17: 9,199,072 km (0.069 R)
• M18: 11,624,802 km (0.082 R)
• M19: 11,792,800 km (0.069 R)
• M20: 12,364,114 km (0.092 R)
• M21: 15,298,626 km (0.096 R)
• M22: 15,840,470 km (0.087 R)
• M23: 16,116,029 km (0.12 R)
• M24: 17,395,988 km (0.084 R)
• M25: 19,283,764 km (0.041 R)
• M26: 21,137,282 km (0.095 R)
• M27: 26,427,361 km (0.063 R)
• M28: 28,504,528 km (0.059 R)
• M29: 29,427,098 km (0.071 R)
• M30: 31,331,778 km (0.062 R)
• M31: 32,757,296 km (0.056 R)
• M32: 38,271,474 km (0.105 R)
• M33: 39,645,680 km (0.106 R)
• M34: 41,702,800 km (0.053 R)
• M35: 44,236,689 km (0.109 R)
• M36: 47,154,595 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384

Radius: 5

Gravity: 15.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.97 AU - 12.11 AU

Year: 20541 Days

Day: 17.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 147.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,864,212 km

• M1: 62,382 km (0.109 R)
• M2: 434,283 km (0.054 R)
• M3: 911,500 km (0.074 R)
• M4: 1,107,772 km (0.092 R)
• M5: 3,964,493 km (0.066 R)
• M6: 5,350,218 km (0.112 R)
• M7: 5,609,023 km (0.116 R)
• M8: 7,296,038 km (0.073 R)
• M9: 7,942,151 km (0.096 R)
• M10: 10,504,463 km (0.111 R)
• M11: 21,296,304 km (0.086 R)
• M12: 22,040,254 km (0.058 R)
• M13: 28,069,796 km (0.096 R)
• M14: 38,694,088 km (0.04 R)
• M15: 53,905,199 km (0.079 R)
• M16: 54,419,666 km (0.088 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 16,203 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit