🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 10

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 12 Hours

Environment

Temp: -142 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,984,618 km

• M1: 124,465 km (0.075 R)
• M2: 533,616 km (0.091 R)
• M3: 1,050,925 km (0.09 R)
• M4: 1,461,422 km (0.118 R)
• M5: 1,799,363 km (0.069 R)
• M6: 2,128,778 km (0.09 R)
• M7: 2,446,673 km (0.04 R)
• M8: 2,763,970 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919

Radius: 10.5

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.5 AU - 1.9 AU

Year: 1530 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,984,618 km

• M1: 130,749 km (0.06 R)
• M2: 484,996 km (0.103 R)
• M3: 889,958 km (0.032 R)
• M4: 1,364,632 km (0.032 R)
• M5: 2,426,328 km (0.111 R)
• M6: 2,848,942 km (0.1 R)
• M7: 3,516,747 km (0.052 R)
• M8: 4,134,885 km (0.063 R)
• M9: 5,120,137 km (0.09 R)
• M10: 7,635,176 km (0.112 R)
• M11: 8,098,032 km (0.104 R)
• M12: 8,579,587 km (0.03 R)
• M13: 9,370,212 km (0.112 R)
• M14: 10,208,708 km (0.092 R)
• M15: 11,279,979 km (0.044 R)
• M16: 11,766,770 km (0.106 R)
• M17: 12,622,620 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 11.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.32 AU - 3.48 AU

Year: 3409 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,984,618 km

• M1: 139,724 km (0.095 R)
• M2: 567,724 km (0.091 R)
• M3: 928,704 km (0.116 R)
• M4: 1,381,387 km (0.056 R)
• M5: 1,763,460 km (0.077 R)
• M6: 2,622,600 km (0.083 R)
• M7: 3,624,308 km (0.103 R)
• M8: 4,212,975 km (0.075 R)
• M9: 5,479,022 km (0.088 R)
• M10: 6,368,830 km (0.086 R)
• M11: 6,803,861 km (0.114 R)
• M12: 7,446,533 km (0.096 R)
• M13: 9,067,426 km (0.052 R)
• M14: 9,732,239 km (0.103 R)
• M15: 11,284,018 km (0.085 R)
• M16: 15,125,093 km (0.081 R)
• M17: 16,060,379 km (0.105 R)
• M18: 16,488,229 km (0.036 R)
• M19: 16,978,610 km (0.09 R)

Asteroid Belt

Center: 3.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 12.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.44 AU - 4.4 AU

Year: 5357 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,984,618 km

• M1: 159,172 km (0.118 R)
• M2: 623,075 km (0.103 R)
• M3: 1,051,523 km (0.083 R)
• M4: 1,503,010 km (0.119 R)
• M5: 1,932,804 km (0.075 R)
• M6: 2,657,307 km (0.056 R)
• M7: 3,750,568 km (0.086 R)
• M8: 4,247,233 km (0.085 R)
• M9: 4,787,581 km (0.096 R)
• M10: 5,322,991 km (0.069 R)
• M11: 6,117,506 km (0.095 R)
• M12: 6,543,710 km (0.103 R)
• M13: 10,463,174 km (0.083 R)
• M14: 11,840,073 km (0.117 R)
• M15: 15,992,162 km (0.117 R)
• M16: 16,749,426 km (0.104 R)
• M17: 17,473,929 km (0.085 R)
• M18: 18,394,105 km (0.072 R)
• M19: 18,925,776 km (0.076 R)
• M20: 20,519,442 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.2

Radius: 15

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.2 AU - 5.06 AU

Year: 6877 Days

Day: 8 Hours

Environment

Temp: -222 °C

Axial Tilt: 70 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,984,618 km

• M1: 189,092 km (0.109 R)
• M2: 688,749 km (0.062 R)
• M3: 1,239,568 km (0.088 R)
• M4: 2,258,778 km (0.107 R)
• M5: 2,777,434 km (0.113 R)
• M6: 3,785,275 km (0.106 R)
• M7: 5,982,868 km (0.111 R)
• M8: 6,456,794 km (0.088 R)
• M9: 9,258,762 km (0.064 R)
• M10: 11,115,271 km (0.085 R)
• M11: 11,933,422 km (0.106 R)
• M12: 12,739,755 km (0.074 R)
• M13: 13,798,608 km (0.055 R)
• M14: 14,744,067 km (0.114 R)
• M15: 18,828,986 km (0.097 R)
• M16: 20,913,932 km (0.036 R)
• M17: 27,479,782 km (0.095 R)
• M18: 29,065,819 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.5

Radius: 3.4

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.18 AU - 6.58 AU

Year: 11124 Days

Day: 21.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,984,618 km

• M1: 413,489 km (0.09 R)
• M2: 577,747 km (0.115 R)
• M3: 942,616 km (0.108 R)
• M4: 1,096,403 km (0.1 R)
• M5: 1,986,809 km (0.084 R)
• M6: 2,978,643 km (0.028 R)
• M7: 3,514,503 km (0.058 R)
• M8: 4,282,089 km (0.093 R)
• M9: 4,546,130 km (0.099 R)
• M10: 4,728,041 km (0.064 R)
• M11: 5,106,523 km (0.05 R)
• M12: 6,476,391 km (0.089 R)
• M13: 6,883,148 km (0.108 R)
• M14: 8,373,890 km (0.071 R)
• M15: 9,952,447 km (0.076 R)
• M16: 11,383,201 km (0.049 R)
• M17: 13,218,917 km (0.044 R)
• M18: 14,206,861 km (0.119 R)
• M19: 15,394,818 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.5

Radius: 6.8

Gravity: 17.48 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.43 AU - 8.41 AU

Year: 13951 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,984,618 km

• M1: 84,822 km (0.067 R)
• M2: 338,390 km (0.092 R)
• M3: 703,559 km (0.108 R)
• M4: 1,095,356 km (0.095 R)
• M5: 1,609,224 km (0.072 R)
• M6: 1,966,314 km (0.049 R)
• M7: 2,459,239 km (0.092 R)
• M8: 2,815,881 km (0.084 R)
• M9: 3,918,417 km (0.104 R)
• M10: 4,342,976 km (0.109 R)
• M11: 5,575,812 km (0.07 R)
• M12: 5,917,344 km (0.087 R)
• M13: 7,069,846 km (0.074 R)
• M14: 7,791,955 km (0.092 R)
• M15: 8,914,537 km (0.107 R)
• M16: 9,975,186 km (0.032 R)
• M17: 13,727,699 km (0.105 R)
• M18: 15,878,168 km (0.092 R)
• M19: 21,564,234 km (0.089 R)
• M20: 23,659,950 km (0.094 R)
• M21: 24,254,153 km (0.104 R)
• M22: 25,992,181 km (0.112 R)
• M23: 27,375,962 km (0.054 R)
• M24: 27,811,441 km (0.085 R)
• M25: 28,141,155 km (0.115 R)
• M26: 29,145,704 km (0.105 R)
• M27: 33,034,052 km (0.034 R)
• M28: 40,964,385 km (0.032 R)
• M29: 42,398,580 km (0.098 R)
• M30: 43,275,074 km (0.075 R)
• M31: 44,612,329 km (0.098 R)
• M32: 54,753,269 km (0.035 R)
• M33: 55,098,242 km (0.091 R)
• M34: 57,553,293 km (0.087 R)
• M35: 62,117,075 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.1

Radius: 6.2

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.8 AU - 8.16 AU

Year: 15560 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,984,618 km

• M1: 79,436 km (0.114 R)
• M2: 589,416 km (0.104 R)
• M3: 1,184,067 km (0.064 R)
• M4: 1,392,756 km (0.107 R)
• M5: 1,729,501 km (0.096 R)
• M6: 2,172,161 km (0.086 R)
• M7: 2,468,365 km (0.118 R)
• M8: 2,854,926 km (0.119 R)
• M9: 3,187,931 km (0.103 R)
• M10: 3,472,615 km (0.072 R)
• M11: 4,093,297 km (0.119 R)
• M12: 4,815,855 km (0.109 R)
• M13: 5,586,284 km (0.106 R)
• M14: 7,088,246 km (0.12 R)
• M15: 7,328,500 km (0.107 R)
• M16: 8,933,087 km (0.102 R)
• M17: 9,645,772 km (0.08 R)
• M18: 9,842,044 km (0.11 R)
• M19: 16,138,917 km (0.037 R)
• M20: 18,899,297 km (0.075 R)
• M21: 27,535,732 km (0.083 R)
• M22: 28,330,695 km (0.053 R)
• M23: 28,632,584 km (0.099 R)
• M24: 30,595,308 km (0.086 R)
• M25: 35,248,849 km (0.047 R)
• M26: 39,470,052 km (0.096 R)
• M27: 42,683,414 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.8

Radius: 4.8

Gravity: 25.86 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.87 AU - 11.05 AU

Year: 18513 Days

Day: 24.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,984,618 km

• M1: 69,413 km (0.116 R)
• M2: 248,781 km (0.104 R)
• M3: 429,047 km (0.102 R)
• M4: 698,024 km (0.111 R)
• M5: 1,189,153 km (0.108 R)
• M6: 1,401,283 km (0.059 R)
• M7: 1,758,224 km (0.105 R)
• M8: 1,939,387 km (0.095 R)
• M9: 2,173,208 km (0.112 R)
• M10: 2,404,038 km (0.085 R)
• M11: 3,065,859 km (0.059 R)
• M12: 3,993,066 km (0.085 R)
• M13: 4,372,447 km (0.084 R)
• M14: 4,775,463 km (0.066 R)
• M15: 5,057,605 km (0.082 R)
• M16: 6,681,490 km (0.08 R)
• M17: 7,400,008 km (0.063 R)
• M18: 8,572,407 km (0.079 R)
• M19: 9,976,532 km (0.096 R)
• M20: 10,555,177 km (0.12 R)
• M21: 13,026,683 km (0.055 R)
• M22: 14,505,309 km (0.119 R)
• M23: 16,092,243 km (0.101 R)
• M24: 23,700,940 km (0.12 R)
• M25: 29,253,864 km (0.1 R)
• M26: 29,840,886 km (0.105 R)
• M27: 33,274,007 km (0.103 R)
• M28: 38,621,533 km (0.061 R)
• M29: 39,044,296 km (0.077 R)
• M30: 48,159,893 km (0.118 R)
• M31: 57,673,869 km (0.118 R)
• M32: 59,528,284 km (0.1 R)
• M33: 61,040,120 km (0.101 R)
• M34: 61,230,857 km (0.084 R)
• M35: 64,140,237 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 16,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit