🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.46 AU - 0.54 AU

Year: 225 Days

Day: 21.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 12.1

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.08 AU - 1.18 AU

Year: 764 Days

Day: 11.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,583,732 km

• M1: 150,795 km (0.046 R)
• M2: 769,681 km (0.07 R)
• M3: 1,266,496 km (0.101 R)
• M4: 1,757,027 km (0.066 R)
• M5: 2,266,707 km (0.091 R)
• M6: 3,156,814 km (0.115 R)
• M7: 4,300,041 km (0.097 R)
• M8: 5,067,628 km (0.085 R)
• M9: 5,504,005 km (0.104 R)
• M10: 5,903,880 km (0.045 R)
• M11: 6,301,661 km (0.109 R)
• M12: 7,221,837 km (0.107 R)
• M13: 8,101,772 km (0.053 R)
• M14: 9,217,024 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.7

Radius: 12.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.03 AU - 2.71 AU

Year: 2320 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,583,732 km

• M1: 154,235 km (0.105 R)
• M2: 1,051,823 km (0.069 R)
• M3: 1,557,314 km (0.085 R)
• M4: 2,573,981 km (0.053 R)
• M5: 3,203,339 km (0.048 R)
• M6: 3,727,231 km (0.074 R)
• M7: 5,106,523 km (0.098 R)
• M8: 6,287,000 km (0.111 R)
• M9: 6,998,338 km (0.09 R)
• M10: 7,611,390 km (0.069 R)
• M11: 11,035,985 km (0.048 R)
• M12: 12,613,494 km (0.062 R)
• M13: 15,715,855 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.7

Radius: 11.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.58 AU - 3.36 AU

Year: 3254 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,583,732 km

• M1: 142,417 km (0.117 R)
• M2: 675,285 km (0.112 R)
• M3: 1,250,040 km (0.101 R)
• M4: 1,987,857 km (0.055 R)
• M5: 3,419,508 km (0.112 R)
• M6: 3,861,420 km (0.088 R)
• M7: 5,264,199 km (0.072 R)
• M8: 5,996,182 km (0.102 R)
• M9: 9,008,185 km (0.078 R)
• M10: 9,776,670 km (0.113 R)
• M11: 12,908,501 km (0.086 R)
• M12: 13,488,791 km (0.116 R)
• M13: 15,441,492 km (0.101 R)
• M14: 15,985,280 km (0.079 R)
• M15: 16,373,487 km (0.06 R)
• M16: 18,109,271 km (0.112 R)
• M17: 18,470,550 km (0.118 R)
• M18: 19,900,556 km (0.095 R)
• M19: 21,003,990 km (0.09 R)
• M20: 21,875,098 km (0.032 R)
• M21: 22,700,280 km (0.09 R)
• M22: 23,191,111 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 15

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.75 AU - 4.87 AU

Year: 6707 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,583,732 km

• M1: 186,698 km (0.119 R)
• M2: 870,660 km (0.049 R)
• M3: 1,745,658 km (0.09 R)
• M4: 2,303,508 km (0.097 R)
• M5: 3,000,335 km (0.069 R)
• M6: 3,905,701 km (0.115 R)
• M7: 4,659,226 km (0.049 R)
• M8: 6,097,908 km (0.078 R)
• M9: 6,592,928 km (0.077 R)
• M10: 7,627,098 km (0.115 R)
• M11: 8,242,543 km (0.069 R)
• M12: 8,725,745 km (0.093 R)
• M13: 9,399,683 km (0.042 R)
• M14: 10,108,029 km (0.103 R)
• M15: 11,384,248 km (0.098 R)
• M16: 11,883,307 km (0.107 R)
• M17: 14,544,055 km (0.067 R)
• M18: 16,609,552 km (0.115 R)
• M19: 20,942,954 km (0.114 R)
• M20: 22,697,288 km (0.114 R)
• M21: 24,218,848 km (0.09 R)
• M22: 24,713,119 km (0.069 R)
• M23: 29,751,875 km (0.086 R)
• M24: 30,605,630 km (0.082 R)
• M25: 31,280,915 km (0.104 R)
• M26: 32,561,173 km (0.071 R)
• M27: 33,569,762 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.5

Radius: 6.9

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.33 AU - 6.87 AU

Year: 10781 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,583,732 km

• M1: 85,869 km (0.096 R)
• M2: 399,277 km (0.105 R)
• M3: 708,496 km (0.107 R)
• M4: 940,073 km (0.081 R)
• M5: 1,364,632 km (0.091 R)
• M6: 1,894,059 km (0.058 R)
• M7: 2,215,544 km (0.082 R)
• M8: 2,945,732 km (0.044 R)
• M9: 3,229,968 km (0.111 R)
• M10: 3,454,963 km (0.043 R)
• M11: 4,107,210 km (0.081 R)
• M12: 4,870,907 km (0.112 R)
• M13: 5,235,327 km (0.094 R)
• M14: 7,043,068 km (0.064 R)
• M15: 7,684,244 km (0.056 R)
• M16: 7,906,397 km (0.042 R)
• M17: 8,317,193 km (0.088 R)
• M18: 10,103,840 km (0.072 R)
• M19: 10,370,723 km (0.063 R)
• M20: 14,755,287 km (0.07 R)
• M21: 16,090,149 km (0.113 R)
• M22: 17,811,571 km (0.044 R)
• M23: 19,323,407 km (0.116 R)
• M24: 20,575,841 km (0.028 R)
• M25: 21,265,487 km (0.09 R)
• M26: 23,706,924 km (0.053 R)
• M27: 26,632,011 km (0.115 R)
• M28: 28,710,524 km (0.076 R)
• M29: 29,898,481 km (0.078 R)
• M30: 34,495,324 km (0.082 R)
• M31: 39,278,417 km (0.119 R)
• M32: 50,444,402 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.4

Radius: 3.2

Gravity: 62.25 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.92 AU - 12.68 AU

Year: 21018 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,583,732 km

• M1: 40,691 km (0.093 R)
• M2: 208,390 km (0.106 R)
• M3: 1,010,534 km (0.063 R)
• M4: 1,688,661 km (0.053 R)
• M5: 2,772,797 km (0.105 R)
• M6: 3,444,341 km (0.091 R)
• M7: 5,025,441 km (0.114 R)
• M8: 5,367,871 km (0.118 R)
• M9: 5,524,949 km (0.034 R)
• M10: 7,412,724 km (0.101 R)
• M11: 8,474,121 km (0.084 R)
• M12: 10,041,308 km (0.067 R)
• M13: 10,522,265 km (0.109 R)
• M14: 12,462,999 km (0.052 R)
• M15: 16,124,107 km (0.118 R)
• M16: 17,118,634 km (0.113 R)
• M17: 24,170,378 km (0.106 R)
• M18: 34,803,496 km (0.086 R)
• M19: 43,762,314 km (0.088 R)
• M20: 47,838,407 km (0.04 R)
• M21: 48,175,002 km (0.095 R)
• M22: 50,227,934 km (0.114 R)
• M23: 54,690,588 km (0.091 R)
• M24: 62,168,088 km (0.118 R)
• M25: 75,182,953 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.6

Radius: 5

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.57 AU - 13.37 AU

Year: 23102 Days

Day: 21.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,583,732 km

• M1: 66,870 km (0.12 R)
• M2: 547,827 km (0.046 R)
• M3: 1,501,963 km (0.102 R)
• M4: 2,407,778 km (0.038 R)
• M5: 2,809,149 km (0.098 R)
• M6: 3,202,142 km (0.115 R)
• M7: 4,188,890 km (0.086 R)
• M8: 5,850,623 km (0.118 R)
• M9: 6,245,113 km (0.095 R)
• M10: 7,219,743 km (0.052 R)
• M11: 8,389,598 km (0.111 R)
• M12: 25,079,036 km (0.086 R)
• M13: 29,630,401 km (0.045 R)
• M14: 48,723,578 km (0.052 R)
• M15: 49,043,418 km (0.107 R)
• M16: 56,086,486 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 17,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit