🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.71 AU - 0.99 AU

Year: 298 Days

Day: 37 Hours

Environment

Temp: 35 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.59 AU - 4.05 AU

Year: 2304 Days

Day: 12.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 61.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,769,076 km

• M1: 1,258,716 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.53 AU - 3.67 AU

Year: 2601 Days

Day: 35.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,769,076 km

• M1: 466,895 km (0.095 R)

Asteroid Belt

Center: 5.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 9.2

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.54 AU - 8.18 AU

Year: 7603 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,769,076 km

• M1: 117,285 km (0.107 R)
• M2: 483,949 km (0.103 R)
• M3: 1,516,025 km (0.099 R)
• M4: 2,574,879 km (0.039 R)
• M5: 2,984,178 km (0.067 R)
• M6: 3,273,201 km (0.113 R)
• M7: 6,203,674 km (0.11 R)
• M8: 6,492,548 km (0.099 R)
• M9: 8,031,461 km (0.119 R)
• M10: 8,728,437 km (0.09 R)
• M11: 9,703,516 km (0.099 R)
• M12: 10,192,701 km (0.032 R)
• M13: 11,167,481 km (0.107 R)
• M14: 13,843,937 km (0.048 R)
• M15: 14,527,300 km (0.115 R)
• M16: 14,973,700 km (0.106 R)
• M17: 15,363,552 km (0.118 R)
• M18: 19,031,841 km (0.119 R)
• M19: 20,585,864 km (0.111 R)
• M20: 20,906,602 km (0.091 R)
• M21: 23,856,672 km (0.104 R)
• M22: 24,299,631 km (0.046 R)
• M23: 27,073,475 km (0.112 R)
• M24: 29,237,109 km (0.106 R)
• M25: 32,046,856 km (0.102 R)
• M26: 33,241,395 km (0.074 R)
• M27: 33,683,157 km (0.106 R)
• M28: 35,604,144 km (0.116 R)
• M29: 38,925,516 km (0.091 R)
• M30: 40,535,637 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.9

Radius: 9.3

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.8 AU - 8.31 AU

Year: 7900 Days

Day: 7.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,769,076 km

• M1: 125,064 km (0.099 R)
• M2: 555,606 km (0.109 R)
• M3: 909,854 km (0.117 R)
• M4: 1,378,844 km (0.099 R)
• M5: 1,908,420 km (0.082 R)
• M6: 2,381,149 km (0.093 R)
• M7: 3,962,698 km (0.05 R)
• M8: 4,420,617 km (0.076 R)
• M9: 6,615,068 km (0.053 R)
• M10: 7,379,065 km (0.066 R)
• M11: 8,158,021 km (0.092 R)
• M12: 8,855,745 km (0.106 R)
• M13: 9,687,659 km (0.079 R)
• M14: 10,270,492 km (0.06 R)
• M15: 10,928,274 km (0.09 R)
• M16: 11,721,741 km (0.09 R)
• M17: 12,327,613 km (0.071 R)
• M18: 13,842,740 km (0.056 R)
• M19: 14,708,163 km (0.095 R)
• M20: 15,283,218 km (0.105 R)
• M21: 17,379,533 km (0.057 R)
• M22: 19,204,327 km (0.042 R)
• M23: 20,280,235 km (0.104 R)
• M24: 21,153,289 km (0.029 R)
• M25: 22,134,202 km (0.12 R)
• M26: 23,662,045 km (0.044 R)
• M27: 24,897,873 km (0.115 R)
• M28: 26,269,386 km (0.058 R)
• M29: 31,309,039 km (0.098 R)
• M30: 33,231,372 km (0.053 R)
• M31: 34,780,009 km (0.1 R)
• M32: 36,145,239 km (0.035 R)
• M33: 38,139,828 km (0.101 R)
• M34: 40,454,855 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.4

Radius: 13.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.2 AU - 9.68 AU

Year: 8520 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,769,076 km

• M1: 164,109 km (0.1 R)
• M2: 578,495 km (0.116 R)
• M3: 991,684 km (0.118 R)
• M4: 2,240,378 km (0.088 R)
• M5: 3,274,847 km (0.081 R)
• M6: 4,237,360 km (0.109 R)
• M7: 5,493,683 km (0.114 R)
• M8: 6,396,805 km (0.114 R)
• M9: 10,264,060 km (0.068 R)
• M10: 13,018,156 km (0.112 R)
• M11: 17,642,077 km (0.115 R)
• M12: 19,131,922 km (0.1 R)
• M13: 23,872,230 km (0.052 R)
• M14: 26,019,109 km (0.071 R)
• M15: 28,032,846 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 9.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.77 AU - 11.43 AU

Year: 12223 Days

Day: 12.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,769,076 km

• M1: 123,119 km (0.118 R)
• M2: 660,026 km (0.089 R)
• M3: 1,298,360 km (0.115 R)
• M4: 3,126,446 km (0.11 R)
• M5: 4,173,182 km (0.069 R)
• M6: 4,830,066 km (0.082 R)
• M7: 5,583,741 km (0.11 R)
• M8: 6,478,485 km (0.083 R)
• M9: 6,909,327 km (0.037 R)
• M10: 7,902,807 km (0.107 R)
• M11: 8,787,828 km (0.065 R)
• M12: 10,937,998 km (0.109 R)
• M13: 14,118,748 km (0.109 R)
• M14: 14,901,294 km (0.098 R)
• M15: 16,128,894 km (0.069 R)
• M16: 18,784,556 km (0.032 R)
• M17: 20,637,924 km (0.095 R)
• M18: 25,106,562 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.6

Radius: 5.6

Gravity: 31.46 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 9.75 AU - 14.33 AU

Year: 15909 Days

Day: 16.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,769,076 km

• M1: 69,713 km (0.038 R)
• M2: 251,025 km (0.078 R)
• M3: 521,349 km (0.045 R)
• M4: 843,732 km (0.103 R)
• M5: 1,456,784 km (0.118 R)
• M6: 1,775,727 km (0.104 R)
• M7: 2,000,423 km (0.074 R)
• M8: 2,181,287 km (0.062 R)
• M9: 2,890,380 km (0.102 R)
• M10: 4,929,399 km (0.111 R)
• M11: 8,954,330 km (0.079 R)
• M12: 9,674,494 km (0.084 R)
• M13: 10,372,668 km (0.083 R)
• M14: 11,610,291 km (0.115 R)
• M15: 14,227,356 km (0.094 R)
• M16: 19,208,965 km (0.027 R)
• M17: 22,937,692 km (0.119 R)
• M18: 27,121,944 km (0.055 R)
• M19: 28,154,918 km (0.114 R)
• M20: 29,213,921 km (0.096 R)
• M21: 30,913,502 km (0.05 R)
• M22: 33,978,763 km (0.05 R)
• M23: 35,178,538 km (0.097 R)
• M24: 38,659,082 km (0.105 R)
• M25: 41,003,280 km (0.07 R)
• M26: 43,595,811 km (0.063 R)
• M27: 45,972,323 km (0.096 R)
• M28: 47,110,314 km (0.115 R)
• M29: 50,122,767 km (0.072 R)
• M30: 51,328,077 km (0.12 R)
• M31: 69,222,824 km (0.078 R)
• M32: 69,434,954 km (0.12 R)
• M33: 73,327,790 km (0.073 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 15,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit