🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.36 AU - 2.22 AU

Year: 842 Days

Day: 42.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 11.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.92 AU - 6.46 AU

Year: 5413 Days

Day: 13.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 119.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,159,592 km

• M1: 143,464 km (0.098 R)
• M2: 518,057 km (0.051 R)
• M3: 1,342,641 km (0.103 R)
• M4: 3,388,541 km (0.046 R)
• M5: 4,580,687 km (0.092 R)
• M6: 7,774,153 km (0.029 R)
• M7: 9,147,760 km (0.062 R)
• M8: 10,448,962 km (0.069 R)
• M9: 11,191,417 km (0.119 R)
• M10: 12,068,359 km (0.084 R)
• M11: 12,575,047 km (0.078 R)
• M12: 13,148,755 km (0.088 R)
• M13: 14,859,856 km (0.114 R)
• M14: 15,442,240 km (0.115 R)
• M15: 17,344,976 km (0.103 R)
• M16: 19,057,422 km (0.039 R)
• M17: 20,449,281 km (0.076 R)
• M18: 20,879,824 km (0.105 R)
• M19: 21,536,857 km (0.115 R)
• M20: 22,586,436 km (0.071 R)
• M21: 24,625,605 km (0.08 R)
• M22: 25,031,314 km (0.102 R)
• M23: 26,614,209 km (0.11 R)
• M24: 28,707,682 km (0.096 R)
• M25: 29,611,552 km (0.117 R)
• M26: 31,666,728 km (0.117 R)
• M27: 32,340,217 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.6

Radius: 12.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 10.87 AU - 11.87 AU

Year: 13475 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,159,592 km

• M1: 395,238 km (0.07 R)
• M2: 877,990 km (0.079 R)
• M3: 1,533,229 km (0.087 R)
• M4: 2,824,408 km (0.113 R)
• M5: 3,420,107 km (0.064 R)
• M6: 4,801,942 km (0.082 R)
• M7: 5,414,994 km (0.11 R)
• M8: 7,871,690 km (0.096 R)
• M9: 11,048,252 km (0.114 R)
• M10: 14,204,617 km (0.11 R)
• M11: 15,884,003 km (0.104 R)
• M12: 16,448,286 km (0.092 R)
• M13: 17,767,141 km (0.108 R)
• M14: 20,948,639 km (0.086 R)
• M15: 32,066,004 km (0.102 R)
• M16: 33,540,591 km (0.108 R)
• M17: 34,003,147 km (0.088 R)
• M18: 34,587,476 km (0.082 R)
• M19: 39,121,938 km (0.047 R)
• M20: 47,874,610 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.7

Radius: 13.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 10.43 AU - 14.71 AU

Year: 15663 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,159,592 km

• M1: 176,675 km (0.118 R)
• M2: 795,561 km (0.087 R)
• M3: 1,505,254 km (0.103 R)
• M4: 3,455,112 km (0.066 R)
• M5: 4,904,417 km (0.109 R)
• M6: 6,807,002 km (0.099 R)
• M7: 8,035,799 km (0.119 R)
• M8: 9,014,618 km (0.092 R)
• M9: 9,710,099 km (0.072 R)
• M10: 11,779,785 km (0.115 R)
• M11: 15,694,163 km (0.109 R)
• M12: 17,675,736 km (0.097 R)
• M13: 18,293,725 km (0.102 R)
• M14: 19,328,494 km (0.05 R)
• M15: 19,819,025 km (0.079 R)
• M16: 22,487,702 km (0.084 R)
• M17: 25,779,154 km (0.097 R)
• M18: 29,919,425 km (0.093 R)
• M19: 40,548,802 km (0.09 R)
• M20: 43,412,853 km (0.094 R)
• M21: 52,334,721 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.9

Radius: 7.1

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 12.96 AU - 13.44 AU

Year: 16855 Days

Day: 17.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 85,159,592 km

• M1: 88,263 km (0.098 R)
• M2: 312,959 km (0.107 R)
• M3: 573,109 km (0.107 R)
• M4: 856,448 km (0.115 R)
• M5: 1,144,723 km (0.112 R)
• M6: 2,085,245 km (0.108 R)
• M7: 2,887,389 km (0.052 R)
• M8: 4,777,558 km (0.088 R)
• M9: 5,731,543 km (0.058 R)
• M10: 7,237,545 km (0.078 R)
• M11: 10,661,990 km (0.053 R)
• M12: 13,243,750 km (0.048 R)
• M13: 13,983,063 km (0.107 R)
• M14: 18,097,902 km (0.118 R)
• M15: 21,098,685 km (0.094 R)
• M16: 23,049,741 km (0.099 R)
• M17: 28,502,733 km (0.101 R)
• M18: 35,009,791 km (0.104 R)
• M19: 35,646,181 km (0.073 R)
• M20: 36,942,297 km (0.119 R)
• M21: 38,809,128 km (0.109 R)
• M22: 45,686,442 km (0.044 R)
• M23: 48,147,925 km (0.117 R)
• M24: 50,211,927 km (0.114 R)
• M25: 51,674,844 km (0.108 R)
• M26: 55,714,735 km (0.107 R)
• M27: 56,233,989 km (0.079 R)
• M28: 57,634,674 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.8

Radius: 6

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 12.72 AU - 18.26 AU

Year: 21427 Days

Day: 20.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 100.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,159,592 km

• M1: 74,649 km (0.101 R)
• M2: 318,943 km (0.041 R)
• M3: 1,114,355 km (0.114 R)
• M4: 1,324,540 km (0.119 R)
• M5: 1,536,370 km (0.03 R)
• M6: 2,997,941 km (0.082 R)
• M7: 5,738,126 km (0.11 R)
• M8: 9,764,702 km (0.081 R)
• M9: 11,425,238 km (0.083 R)
• M10: 12,476,163 km (0.115 R)
• M11: 14,087,183 km (0.053 R)
• M12: 17,781,203 km (0.118 R)
• M13: 18,711,851 km (0.049 R)
• M14: 21,253,220 km (0.1 R)
• M15: 22,606,183 km (0.067 R)
• M16: 25,069,312 km (0.064 R)
• M17: 27,618,011 km (0.092 R)
• M18: 30,803,548 km (0.072 R)
• M19: 32,240,735 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.5

Radius: 6.6

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 15.88 AU - 25.1 AU

Year: 32598 Days

Day: 15.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,159,592 km

• M1: 99,483 km (0.117 R)
• M2: 1,411,456 km (0.099 R)
• M3: 2,402,243 km (0.104 R)
• M4: 4,018,498 km (0.095 R)
• M5: 4,253,217 km (0.108 R)
• M6: 5,609,172 km (0.094 R)
• M7: 8,202,152 km (0.079 R)
• M8: 11,567,955 km (0.084 R)
• M9: 12,044,723 km (0.096 R)
• M10: 13,854,259 km (0.112 R)
• M11: 14,314,272 km (0.119 R)
• M12: 16,004,279 km (0.107 R)
• M13: 17,823,090 km (0.059 R)
• M14: 19,679,450 km (0.069 R)
• M15: 20,952,827 km (0.101 R)
• M16: 25,900,029 km (0.036 R)
• M17: 27,547,550 km (0.082 R)
• M18: 29,014,208 km (0.03 R)
• M19: 32,637,618 km (0.081 R)
• M20: 41,080,174 km (0.066 R)
• M21: 60,059,057 km (0.079 R)
• M22: 60,464,318 km (0.034 R)
• M23: 69,847,844 km (0.107 R)
• M24: 79,667,149 km (0.105 R)

Kuiper Belt

Range: 31.2 - 61.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 14,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit