🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.1

Radius: 8.3

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.03 AU - 1.13 AU

Year: 761 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,988,924 km

• M1: 103,223 km (0.083 R)
• M2: 416,780 km (0.068 R)
• M3: 942,766 km (0.108 R)
• M4: 1,213,388 km (0.117 R)
• M5: 2,145,533 km (0.099 R)
• M6: 2,555,580 km (0.109 R)
• M7: 2,967,573 km (0.052 R)
• M8: 3,675,171 km (0.069 R)
• M9: 4,092,100 km (0.099 R)
• M10: 4,776,361 km (0.059 R)
• M11: 5,109,964 km (0.117 R)
• M12: 5,982,868 km (0.112 R)
• M13: 7,403,898 km (0.041 R)
• M14: 7,732,265 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 9.2

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.17 AU - 1.45 AU

Year: 1017 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,988,924 km

• M1: 114,442 km (0.08 R)
• M2: 452,683 km (0.114 R)
• M3: 1,184,217 km (0.072 R)
• M4: 1,607,429 km (0.084 R)
• M5: 1,950,158 km (0.057 R)
• M6: 2,259,377 km (0.096 R)
• M7: 2,953,361 km (0.104 R)
• M8: 3,625,205 km (0.099 R)
• M9: 5,020,056 km (0.09 R)
• M10: 7,026,911 km (0.104 R)
• M11: 7,526,418 km (0.099 R)
• M12: 8,545,629 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 11.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.38 AU - 2.18 AU

Year: 1611 Days

Day: 6.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,988,924 km

• M1: 146,756 km (0.101 R)
• M2: 660,774 km (0.1 R)
• M3: 1,122,134 km (0.036 R)
• M4: 2,032,437 km (0.071 R)
• M5: 2,436,650 km (0.115 R)
• M6: 2,808,700 km (0.075 R)
• M7: 3,523,927 km (0.114 R)
• M8: 5,000,758 km (0.11 R)
• M9: 6,609,533 km (0.079 R)
• M10: 8,461,106 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.2

Radius: 9.5

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.61 AU - 2.11 AU

Year: 1721 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,988,924 km

• M1: 118,182 km (0.113 R)
• M2: 457,321 km (0.101 R)
• M3: 801,545 km (0.101 R)
• M4: 1,122,732 km (0.083 R)
• M5: 1,459,626 km (0.094 R)
• M6: 2,294,532 km (0.07 R)
• M7: 2,653,118 km (0.078 R)
• M8: 2,975,502 km (0.058 R)
• M9: 4,383,218 km (0.119 R)
• M10: 5,698,781 km (0.066 R)
• M11: 6,459,935 km (0.112 R)
• M12: 7,153,471 km (0.113 R)
• M13: 7,532,253 km (0.115 R)
• M14: 7,952,922 km (0.095 R)
• M15: 9,120,234 km (0.077 R)
• M16: 9,533,723 km (0.061 R)
• M17: 10,674,556 km (0.055 R)
• M18: 12,398,073 km (0.111 R)
• M19: 13,631,807 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 11.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.29 AU - 3.75 AU

Year: 4479 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,988,924 km

• M1: 162,463 km (0.093 R)
• M2: 703,110 km (0.106 R)
• M3: 1,819,708 km (0.115 R)
• M4: 4,613,299 km (0.082 R)
• M5: 5,377,295 km (0.094 R)
• M6: 5,989,749 km (0.097 R)
• M7: 6,494,343 km (0.057 R)
• M8: 6,867,589 km (0.088 R)
• M9: 10,732,450 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.7

Radius: 14.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.49 AU - 4.29 AU

Year: 5204 Days

Day: 7.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 93.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,988,924 km

• M1: 184,005 km (0.061 R)
• M2: 718,818 km (0.106 R)
• M3: 1,466,209 km (0.072 R)
• M4: 2,023,610 km (0.106 R)
• M5: 2,554,234 km (0.062 R)
• M6: 3,558,784 km (0.072 R)
• M7: 4,106,910 km (0.037 R)
• M8: 4,969,342 km (0.088 R)
• M9: 5,802,303 km (0.078 R)
• M10: 6,630,028 km (0.117 R)
• M11: 7,818,882 km (0.11 R)
• M12: 10,617,709 km (0.08 R)
• M13: 11,294,938 km (0.045 R)
• M14: 11,857,426 km (0.065 R)
• M15: 14,789,395 km (0.089 R)
• M16: 15,982,289 km (0.066 R)
• M17: 16,453,223 km (0.055 R)
• M18: 17,484,999 km (0.077 R)
• M19: 20,082,467 km (0.099 R)
• M20: 20,839,881 km (0.111 R)
• M21: 21,687,652 km (0.113 R)
• M22: 22,705,666 km (0.119 R)
• M23: 23,527,706 km (0.111 R)
• M24: 24,292,151 km (0.053 R)
• M25: 25,390,199 km (0.079 R)
• M26: 27,265,708 km (0.099 R)
• M27: 28,194,561 km (0.103 R)
• M28: 29,495,165 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.2

Radius: 11.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.93 AU - 5.53 AU

Year: 6977 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,988,924 km

• M1: 143,464 km (0.098 R)
• M2: 853,306 km (0.042 R)
• M3: 2,764,718 km (0.106 R)
• M4: 3,188,679 km (0.059 R)
• M5: 4,109,603 km (0.07 R)
• M6: 4,904,865 km (0.11 R)
• M7: 6,052,879 km (0.119 R)
• M8: 7,944,096 km (0.079 R)
• M9: 10,988,712 km (0.086 R)
• M10: 12,060,580 km (0.057 R)
• M11: 14,972,952 km (0.098 R)
• M12: 17,053,260 km (0.098 R)
• M13: 18,001,261 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.1

Radius: 5.5

Gravity: 18.48 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.53 AU - 7.23 AU

Year: 9671 Days

Day: 23.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,988,924 km

• M1: 73,901 km (0.103 R)
• M2: 439,668 km (0.11 R)
• M3: 743,651 km (0.105 R)
• M4: 1,080,845 km (0.119 R)
• M5: 1,396,795 km (0.062 R)
• M6: 2,025,256 km (0.069 R)
• M7: 2,846,698 km (0.054 R)
• M8: 3,217,102 km (0.107 R)
• M9: 7,667,489 km (0.033 R)
• M10: 12,988,985 km (0.104 R)
• M11: 13,821,048 km (0.08 R)
• M12: 14,624,987 km (0.111 R)
• M13: 15,006,312 km (0.051 R)
• M14: 20,506,727 km (0.109 R)
• M15: 21,226,143 km (0.034 R)
• M16: 22,211,245 km (0.058 R)
• M17: 24,008,065 km (0.113 R)
• M18: 26,364,231 km (0.119 R)
• M19: 27,119,102 km (0.077 R)
• M20: 27,598,114 km (0.039 R)
• M21: 27,791,245 km (0.063 R)
• M22: 27,985,423 km (0.072 R)
• M23: 31,635,611 km (0.111 R)
• M24: 32,703,142 km (0.061 R)
• M25: 33,794,608 km (0.109 R)
• M26: 35,249,447 km (0.061 R)
• M27: 35,705,272 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.7

Radius: 6.9

Gravity: 16.9 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.98 AU - 7.76 AU

Year: 12213 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 86.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,988,924 km

• M1: 85,869 km (0.113 R)
• M2: 903,571 km (0.11 R)
• M3: 2,103,346 km (0.109 R)
• M4: 2,353,773 km (0.106 R)
• M5: 4,391,445 km (0.078 R)
• M6: 5,343,786 km (0.041 R)
• M7: 5,702,222 km (0.099 R)
• M8: 6,587,542 km (0.03 R)
• M9: 6,957,797 km (0.105 R)
• M10: 7,695,015 km (0.101 R)
• M11: 8,579,288 km (0.073 R)
• M12: 10,603,946 km (0.057 R)
• M13: 11,816,437 km (0.093 R)
• M14: 12,737,212 km (0.082 R)
• M15: 13,312,266 km (0.094 R)
• M16: 13,704,960 km (0.047 R)
• M17: 15,000,178 km (0.111 R)
• M18: 15,859,020 km (0.108 R)
• M19: 17,596,150 km (0.12 R)
• M20: 19,540,025 km (0.068 R)
• M21: 20,477,106 km (0.09 R)
• M22: 22,440,578 km (0.06 R)
• M23: 25,716,472 km (0.087 R)
• M24: 26,634,255 km (0.113 R)
• M25: 27,998,139 km (0.044 R)
• M26: 28,427,036 km (0.119 R)
• M27: 29,188,041 km (0.073 R)
• M28: 39,407,669 km (0.082 R)
• M29: 41,452,972 km (0.099 R)
• M30: 42,431,192 km (0.092 R)
• M31: 45,017,290 km (0.112 R)
• M32: 46,648,206 km (0.117 R)
• M33: 51,777,169 km (0.089 R)
• M34: 53,566,958 km (0.1 R)
• M35: 54,393,935 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329

Radius: 3.8

Gravity: 22.78 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 7.98 AU - 13.16 AU

Year: 23308 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,988,924 km

• M1: 47,273 km (0.072 R)
• M2: 478,414 km (0.115 R)
• M3: 1,606,083 km (0.111 R)
• M4: 3,175,364 km (0.056 R)
• M5: 3,723,042 km (0.107 R)
• M6: 7,852,841 km (0.105 R)
• M7: 8,846,021 km (0.07 R)
• M8: 9,698,729 km (0.101 R)
• M9: 10,780,621 km (0.111 R)
• M10: 10,899,102 km (0.1 R)
• M11: 11,320,220 km (0.096 R)
• M12: 13,590,219 km (0.088 R)
• M13: 15,536,038 km (0.116 R)
• M14: 17,414,688 km (0.065 R)
• M15: 18,156,544 km (0.093 R)
• M16: 20,237,450 km (0.063 R)
• M17: 20,599,028 km (0.074 R)
• M18: 22,665,274 km (0.07 R)
• M19: 26,444,715 km (0.086 R)
• M20: 38,852,661 km (0.07 R)
• M21: 44,526,609 km (0.117 R)
• M22: 47,163,721 km (0.104 R)
• M23: 50,894,542 km (0.048 R)
• M24: 52,576,321 km (0.064 R)
• M25: 53,087,946 km (0.111 R)
• M26: 57,662,050 km (0.11 R)
• M27: 58,024,377 km (0.093 R)
• M28: 58,753,666 km (0.066 R)
• M29: 61,354,126 km (0.087 R)
• M30: 63,257,908 km (0.117 R)
• M31: 65,004,763 km (0.102 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: 492 - 16,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit