🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.3

Radius: 14.1

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.73 AU - 0.83 AU

Year: 467 Days

Day: 5.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,372,364 km

• M1: 175,329 km (0.072 R)
• M2: 663,915 km (0.088 R)
• M3: 1,124,527 km (0.094 R)
• M4: 1,710,203 km (0.114 R)
• M5: 2,534,637 km (0.091 R)
• M6: 3,401,556 km (0.113 R)
• M7: 3,867,554 km (0.065 R)
• M8: 5,139,584 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 12.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.78 AU - 0.94 AU

Year: 541 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 61.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,372,364 km

• M1: 160,369 km (0.082 R)
• M2: 799,900 km (0.037 R)
• M3: 1,318,556 km (0.042 R)
• M4: 1,763,310 km (0.114 R)
• M5: 2,441,437 km (0.081 R)
• M6: 2,869,437 km (0.112 R)
• M7: 3,323,765 km (0.093 R)
• M8: 3,760,741 km (0.097 R)
• M9: 4,423,160 km (0.112 R)
• M10: 5,647,320 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 8.7

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.48 AU - 3.94 AU

Year: 4847 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,372,364 km

• M1: 108,159 km (0.032 R)
• M2: 521,498 km (0.089 R)
• M3: 810,521 km (0.112 R)
• M4: 1,122,283 km (0.118 R)
• M5: 1,422,825 km (0.095 R)
• M6: 1,830,779 km (0.099 R)
• M7: 2,428,871 km (0.091 R)
• M8: 3,151,429 km (0.094 R)
• M9: 3,917,819 km (0.096 R)
• M10: 4,494,369 km (0.107 R)
• M11: 4,803,288 km (0.096 R)
• M12: 5,579,701 km (0.102 R)
• M13: 8,259,298 km (0.109 R)
• M14: 9,165,562 km (0.111 R)
• M15: 10,312,529 km (0.091 R)
• M16: 12,735,267 km (0.078 R)
• M17: 16,951,832 km (0.107 R)
• M18: 17,450,143 km (0.116 R)
• M19: 21,217,017 km (0.111 R)
• M20: 23,137,106 km (0.077 R)
• M21: 23,673,265 km (0.11 R)
• M22: 26,147,763 km (0.045 R)
• M23: 27,404,684 km (0.077 R)
• M24: 29,858,239 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 978.3

Radius: 6.7

Gravity: 21.79 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.01 AU - 8.57 AU

Year: 13350 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,372,364 km

• M1: 83,326 km (0.103 R)
• M2: 477,367 km (0.089 R)
• M3: 742,005 km (0.12 R)
• M4: 2,030,492 km (0.089 R)
• M5: 2,453,704 km (0.104 R)
• M6: 2,982,982 km (0.11 R)
• M7: 3,530,211 km (0.118 R)
• M8: 3,755,505 km (0.11 R)
• M9: 4,856,994 km (0.117 R)
• M10: 5,280,057 km (0.119 R)
• M11: 5,500,714 km (0.032 R)
• M12: 5,960,428 km (0.067 R)
• M13: 9,433,791 km (0.106 R)
• M14: 10,092,321 km (0.103 R)
• M15: 10,781,070 km (0.057 R)
• M16: 13,439,274 km (0.092 R)
• M17: 13,990,991 km (0.117 R)
• M18: 14,272,385 km (0.078 R)
• M19: 15,661,102 km (0.048 R)
• M20: 18,116,452 km (0.091 R)
• M21: 18,366,879 km (0.119 R)
• M22: 23,280,121 km (0.059 R)
• M23: 33,173,926 km (0.116 R)
• M24: 37,052,999 km (0.103 R)
• M25: 37,999,804 km (0.077 R)
• M26: 39,519,868 km (0.118 R)
• M27: 40,793,395 km (0.074 R)
• M28: 42,533,816 km (0.072 R)
• M29: 46,473,177 km (0.069 R)
• M30: 57,192,014 km (0.104 R)
• M31: 58,637,877 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.9

Radius: 4.8

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.29 AU - 8.35 AU

Year: 16277 Days

Day: 17.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,372,364 km

• M1: 59,839 km (0.113 R)
• M2: 209,886 km (0.059 R)
• M3: 434,133 km (0.115 R)
• M4: 626,965 km (0.075 R)
• M5: 786,586 km (0.11 R)
• M6: 1,452,595 km (0.082 R)
• M7: 1,974,094 km (0.066 R)
• M8: 2,341,955 km (0.08 R)
• M9: 2,923,442 km (0.098 R)
• M10: 3,167,436 km (0.105 R)
• M11: 3,473,363 km (0.098 R)
• M12: 4,089,557 km (0.1 R)
• M13: 4,282,239 km (0.081 R)
• M14: 5,840,450 km (0.1 R)
• M15: 6,899,155 km (0.105 R)
• M16: 7,054,587 km (0.086 R)
• M17: 7,494,105 km (0.079 R)
• M18: 7,825,016 km (0.113 R)
• M19: 10,268,996 km (0.046 R)
• M20: 10,522,864 km (0.101 R)
• M21: 11,967,231 km (0.074 R)
• M22: 18,022,355 km (0.032 R)
• M23: 19,376,515 km (0.051 R)
• M24: 22,285,744 km (0.104 R)
• M25: 22,883,238 km (0.092 R)
• M26: 24,649,540 km (0.109 R)
• M27: 25,473,226 km (0.109 R)
• M28: 26,694,992 km (0.116 R)
• M29: 28,251,857 km (0.029 R)
• M30: 28,650,386 km (0.08 R)
• M31: 32,298,330 km (0.117 R)
• M32: 39,498,775 km (0.058 R)
• M33: 40,499,285 km (0.102 R)
• M34: 41,645,055 km (0.12 R)
• M35: 42,290,720 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449

Radius: 7.6

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.21 AU - 9.43 AU

Year: 19298 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,372,364 km

• M1: 94,546 km (0.095 R)
• M2: 400,025 km (0.072 R)
• M3: 771,476 km (0.115 R)
• M4: 1,113,607 km (0.096 R)
• M5: 1,479,074 km (0.104 R)
• M6: 1,732,194 km (0.087 R)
• M7: 2,810,495 km (0.09 R)
• M8: 3,202,591 km (0.083 R)
• M9: 4,281,192 km (0.047 R)
• M10: 5,362,635 km (0.056 R)
• M11: 5,811,877 km (0.099 R)
• M12: 7,001,330 km (0.061 R)
• M13: 11,718,001 km (0.106 R)
• M14: 13,062,886 km (0.096 R)
• M15: 14,365,584 km (0.117 R)
• M16: 15,903,899 km (0.115 R)
• M17: 17,548,877 km (0.096 R)
• M18: 20,002,731 km (0.048 R)
• M19: 20,717,959 km (0.117 R)
• M20: 22,869,176 km (0.089 R)
• M21: 26,849,826 km (0.036 R)
• M22: 27,173,855 km (0.118 R)
• M23: 28,833,494 km (0.069 R)
• M24: 31,031,535 km (0.118 R)
• M25: 32,598,124 km (0.053 R)
• M26: 33,090,600 km (0.1 R)
• M27: 33,338,633 km (0.05 R)
• M28: 38,839,946 km (0.112 R)
• M29: 43,713,545 km (0.064 R)
• M30: 47,862,642 km (0.084 R)
• M31: 60,750,050 km (0.088 R)
• M32: 61,308,798 km (0.11 R)
• M33: 64,346,831 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.3

Radius: 6.8

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.23 AU - 11.28 AU

Year: 22258 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,372,364 km

• M1: 84,523 km (0.105 R)
• M2: 402,867 km (0.074 R)
• M3: 1,074,562 km (0.114 R)
• M4: 1,290,880 km (0.098 R)
• M5: 1,831,976 km (0.068 R)
• M6: 2,801,220 km (0.04 R)
• M7: 3,082,913 km (0.107 R)
• M8: 3,555,642 km (0.117 R)
• M9: 4,270,570 km (0.064 R)
• M10: 4,506,187 km (0.109 R)
• M11: 4,857,892 km (0.053 R)
• M12: 5,303,993 km (0.118 R)
• M13: 5,858,552 km (0.103 R)
• M14: 6,672,065 km (0.103 R)
• M15: 10,811,289 km (0.097 R)
• M16: 12,097,082 km (0.094 R)
• M17: 12,707,890 km (0.069 R)
• M18: 15,593,633 km (0.039 R)
• M19: 15,912,426 km (0.081 R)
• M20: 16,398,470 km (0.091 R)
• M21: 17,062,086 km (0.115 R)
• M22: 23,966,177 km (0.115 R)
• M23: 28,916,221 km (0.112 R)
• M24: 38,271,623 km (0.082 R)
• M25: 39,290,534 km (0.093 R)
• M26: 42,610,560 km (0.089 R)
• M27: 43,862,844 km (0.094 R)
• M28: 49,459,150 km (0.062 R)
• M29: 54,410,840 km (0.073 R)
• M30: 56,256,429 km (0.111 R)
• M31: 57,194,557 km (0.118 R)
• M32: 62,442,301 km (0.096 R)
• M33: 71,666,506 km (0.116 R)
• M34: 76,143,671 km (0.072 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 18,885 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit