🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.42 AU - 0.58 AU

Year: 225 Days

Day: 19.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 11

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.63 AU - 0.87 AU

Year: 413 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,980,857 km

• M1: 137,032 km (0.046 R)
• M2: 501,901 km (0.109 R)
• M3: 979,567 km (0.084 R)
• M4: 1,334,712 km (0.099 R)
• M5: 1,742,965 km (0.099 R)
• M6: 2,352,427 km (0.096 R)
• M7: 2,996,595 km (0.108 R)
• M8: 3,899,119 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.8

Radius: 8.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.72 AU - 0.98 AU

Year: 498 Days

Day: 10.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 86,980,857 km

• M1: 107,112 km (0.094 R)
• M2: 404,513 km (0.095 R)
• M3: 932,444 km (0.078 R)
• M4: 1,341,295 km (0.104 R)
• M5: 1,930,710 km (0.109 R)
• M6: 2,288,698 km (0.086 R)

Asteroid Belt

Center: 1.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 14.1

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.29 AU - 1.43 AU

Year: 1008 Days

Day: 10.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,980,857 km

• M1: 175,329 km (0.071 R)
• M2: 1,006,195 km (0.114 R)
• M3: 1,612,665 km (0.082 R)
• M4: 2,144,635 km (0.11 R)
• M5: 2,758,136 km (0.061 R)
• M6: 3,431,027 km (0.101 R)
• M7: 4,037,347 km (0.113 R)
• M8: 4,525,635 km (0.066 R)
• M9: 5,313,716 km (0.095 R)
• M10: 5,841,498 km (0.09 R)
• M11: 6,468,911 km (0.072 R)
• M12: 9,329,522 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 8.1

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.3 AU - 1.42 AU

Year: 1008 Days

Day: 11.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,980,857 km

• M1: 100,679 km (0.117 R)
• M2: 360,381 km (0.078 R)
• M3: 725,400 km (0.099 R)
• M4: 1,018,612 km (0.067 R)
• M5: 1,324,540 km (0.103 R)
• M6: 2,016,131 km (0.103 R)
• M7: 2,437,249 km (0.097 R)
• M8: 2,729,413 km (0.098 R)
• M9: 3,630,591 km (0.112 R)
• M10: 4,305,427 km (0.108 R)
• M11: 5,619,195 km (0.069 R)
• M12: 6,069,186 km (0.115 R)
• M13: 6,587,243 km (0.053 R)
• M14: 7,961,150 km (0.027 R)
• M15: 8,502,844 km (0.062 R)
• M16: 8,931,741 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 14.1

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.67 AU - 3.17 AU

Year: 3173 Days

Day: 13.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,980,857 km

• M1: 175,777 km (0.109 R)
• M2: 624,721 km (0.117 R)
• M3: 1,190,799 km (0.09 R)
• M4: 1,686,716 km (0.091 R)
• M5: 2,284,659 km (0.111 R)
• M6: 3,037,884 km (0.103 R)
• M7: 4,120,973 km (0.102 R)
• M8: 4,783,990 km (0.089 R)
• M9: 5,997,827 km (0.1 R)
• M10: 7,407,787 km (0.105 R)
• M11: 8,114,787 km (0.078 R)
• M12: 8,802,189 km (0.09 R)
• M13: 9,698,430 km (0.111 R)
• M14: 10,186,717 km (0.119 R)
• M15: 11,326,653 km (0.114 R)
• M16: 12,186,093 km (0.108 R)
• M17: 12,673,034 km (0.092 R)
• M18: 16,356,283 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.4

Radius: 3.9

Gravity: 56.44 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.84 AU - 8.36 AU

Year: 13322 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,980,857 km

• M1: 48,470 km (0.1 R)
• M2: 205,697 km (0.084 R)
• M3: 635,791 km (0.073 R)
• M4: 799,301 km (0.106 R)
• M5: 1,306,588 km (0.114 R)
• M6: 1,719,628 km (0.118 R)
• M7: 2,021,217 km (0.109 R)
• M8: 2,484,073 km (0.116 R)
• M9: 2,845,501 km (0.062 R)
• M10: 3,189,576 km (0.08 R)
• M11: 4,019,695 km (0.104 R)
• M12: 4,647,258 km (0.115 R)
• M13: 4,813,910 km (0.081 R)
• M14: 5,123,877 km (0.115 R)
• M15: 6,253,490 km (0.118 R)
• M16: 6,497,933 km (0.079 R)
• M17: 6,790,995 km (0.088 R)
• M18: 9,043,341 km (0.117 R)
• M19: 9,303,342 km (0.064 R)
• M20: 10,280,515 km (0.058 R)
• M21: 10,449,710 km (0.042 R)
• M22: 11,086,399 km (0.052 R)
• M23: 12,183,400 km (0.117 R)
• M24: 12,953,530 km (0.065 R)
• M25: 16,980,705 km (0.057 R)
• M26: 17,376,241 km (0.066 R)
• M27: 18,350,722 km (0.104 R)
• M28: 19,020,172 km (0.116 R)
• M29: 22,424,122 km (0.105 R)
• M30: 28,478,498 km (0.116 R)
• M31: 38,713,535 km (0.117 R)
• M32: 44,568,347 km (0.113 R)
• M33: 47,159,532 km (0.056 R)
• M34: 50,496,911 km (0.098 R)
• M35: 51,314,164 km (0.033 R)
• M36: 51,643,429 km (0.091 R)
• M37: 59,794,269 km (0.067 R)
• M38: 62,004,577 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.8

Radius: 4

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.63 AU - 9.87 AU

Year: 15067 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,980,857 km

• M1: 56,099 km (0.118 R)
• M2: 276,457 km (0.078 R)
• M3: 619,036 km (0.083 R)
• M4: 1,233,584 km (0.108 R)
• M5: 2,370,827 km (0.084 R)
• M6: 3,307,011 km (0.1 R)
• M7: 6,657,704 km (0.112 R)
• M8: 6,946,577 km (0.118 R)
• M9: 8,145,155 km (0.116 R)
• M10: 9,163,019 km (0.106 R)
• M11: 11,550,452 km (0.108 R)
• M12: 19,554,536 km (0.098 R)
• M13: 21,365,418 km (0.07 R)
• M14: 29,438,916 km (0.074 R)
• M15: 29,922,716 km (0.064 R)
• M16: 32,115,072 km (0.118 R)
• M17: 33,041,981 km (0.119 R)
• M18: 38,059,194 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.2

Radius: 6.9

Gravity: 20.71 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.81 AU - 11.33 AU

Year: 21850 Days

Day: 21.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,980,857 km

• M1: 86,019 km (0.044 R)
• M2: 387,010 km (0.049 R)
• M3: 643,869 km (0.105 R)
• M4: 1,016,218 km (0.039 R)
• M5: 1,344,436 km (0.098 R)
• M6: 1,667,717 km (0.112 R)
• M7: 3,508,818 km (0.069 R)
• M8: 4,125,012 km (0.047 R)
• M9: 4,772,920 km (0.074 R)
• M10: 5,486,801 km (0.116 R)
• M11: 6,928,326 km (0.067 R)
• M12: 7,477,500 km (0.07 R)
• M13: 7,736,454 km (0.096 R)
• M14: 8,776,009 km (0.107 R)
• M15: 9,064,285 km (0.109 R)
• M16: 10,929,471 km (0.116 R)
• M17: 11,604,157 km (0.071 R)
• M18: 12,306,370 km (0.073 R)
• M19: 12,888,156 km (0.118 R)
• M20: 13,412,197 km (0.101 R)
• M21: 14,106,630 km (0.1 R)
• M22: 15,567,154 km (0.098 R)
• M23: 19,072,233 km (0.117 R)
• M24: 19,654,467 km (0.081 R)
• M25: 23,619,858 km (0.107 R)
• M26: 25,789,177 km (0.112 R)
• M27: 27,470,208 km (0.099 R)
• M28: 27,963,732 km (0.118 R)
• M29: 31,049,038 km (0.107 R)
• M30: 41,977,911 km (0.092 R)
• M31: 43,961,877 km (0.117 R)
• M32: 59,424,313 km (0.116 R)
• M33: 64,057,060 km (0.093 R)
• M34: 73,322,404 km (0.052 R)
• M35: 75,952,036 km (0.083 R)
• M36: 78,149,778 km (0.076 R)
• M37: 87,365,007 km (0.09 R)
• M38: 90,318,817 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698

Radius: 3.2

Gravity: 68.16 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 10.89 AU - 11.75 AU

Year: 24216 Days

Day: 25 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,980,857 km

• M1: 39,793 km (0.056 R)
• M2: 186,249 km (0.092 R)
• M3: 1,056,759 km (0.069 R)
• M4: 1,318,406 km (0.042 R)
• M5: 2,387,133 km (0.105 R)
• M6: 3,221,291 km (0.116 R)
• M7: 4,624,519 km (0.105 R)
• M8: 6,031,786 km (0.117 R)
• M9: 6,527,254 km (0.078 R)
• M10: 8,229,379 km (0.117 R)
• M11: 8,613,097 km (0.09 R)
• M12: 8,951,488 km (0.043 R)
• M13: 10,584,648 km (0.055 R)
• M14: 11,170,323 km (0.112 R)
• M15: 13,503,003 km (0.081 R)
• M16: 14,191,303 km (0.06 R)
• M17: 14,742,571 km (0.086 R)
• M18: 17,804,989 km (0.114 R)
• M19: 19,197,147 km (0.111 R)
• M20: 19,968,473 km (0.11 R)
• M21: 22,091,118 km (0.064 R)
• M22: 26,659,537 km (0.051 R)
• M23: 27,740,232 km (0.082 R)
• M24: 29,100,376 km (0.11 R)
• M25: 33,446,045 km (0.067 R)
• M26: 38,963,065 km (0.101 R)
• M27: 46,072,853 km (0.084 R)
• M28: 47,104,779 km (0.108 R)
• M29: 47,626,427 km (0.058 R)
• M30: 61,952,368 km (0.052 R)
• M31: 69,296,875 km (0.101 R)
• M32: 72,945,268 km (0.074 R)
• M33: 74,111,084 km (0.075 R)
• M34: 85,941,733 km (0.103 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: 544 - 18,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit