🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.44 AU - 0.68 AU

Year: 271 Days

Day: 26.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,741,227 km

• M1: 56,997 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.81 AU

Year: 338 Days

Day: 41.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.4

Radius: 14.6

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.59 AU - 0.89 AU

Year: 411 Days

Day: 10.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 20,741,227 km

• M1: 185,202 km (0.112 R)
• M2: 306,526 km (0.119 R)
• M3: 399,426 km (0.072 R)
• M4: 491,279 km (0.104 R)
• M5: 590,912 km (0.118 R)
• M6: 765,193 km (0.093 R)
• M7: 870,660 km (0.028 R)
• M8: 1,031,029 km (0.094 R)
• M9: 1,146,368 km (0.092 R)
• M10: 1,335,610 km (0.09 R)
• M11: 1,474,137 km (0.095 R)
• M12: 1,725,911 km (0.111 R)
• M13: 1,849,030 km (0.117 R)
• M14: 1,958,236 km (0.095 R)
• M15: 2,056,672 km (0.1 R)
• M16: 2,245,614 km (0.1 R)
• M17: 2,344,498 km (0.066 R)
• M18: 2,444,878 km (0.084 R)
• M19: 2,570,241 km (0.087 R)
• M20: 2,678,849 km (0.098 R)
• M21: 2,817,825 km (0.114 R)
• M22: 2,910,427 km (0.085 R)
• M23: 3,028,758 km (0.092 R)
• M24: 3,138,713 km (0.103 R)
• M25: 3,250,014 km (0.104 R)
• M26: 3,352,339 km (0.041 R)
• M27: 3,445,538 km (0.087 R)
• M28: 3,602,616 km (0.065 R)
• M29: 3,751,615 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 10.6

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.71 AU - 0.79 AU

Year: 419 Days

Day: 10.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 20,741,227 km

• M1: 131,945 km (0.075 R)
• M2: 201,359 km (0.085 R)
• M3: 306,975 km (0.073 R)
• M4: 486,343 km (0.075 R)
• M5: 554,859 km (0.116 R)
• M6: 653,593 km (0.071 R)
• M7: 727,046 km (0.077 R)
• M8: 816,056 km (0.101 R)
• M9: 917,783 km (0.097 R)
• M10: 1,028,485 km (0.082 R)
• M11: 1,144,125 km (0.085 R)
• M12: 1,230,143 km (0.047 R)
• M13: 1,393,953 km (0.039 R)
• M14: 1,564,943 km (0.106 R)
• M15: 1,634,357 km (0.098 R)
• M16: 1,737,729 km (0.09 R)
• M17: 1,837,810 km (0.11 R)
• M18: 2,251,298 km (0.115 R)
• M19: 2,416,305 km (0.096 R)
• M20: 2,578,918 km (0.098 R)
• M21: 2,668,078 km (0.116 R)
• M22: 2,836,376 km (0.094 R)
• M23: 2,988,367 km (0.114 R)
• M24: 3,068,701 km (0.105 R)
• M25: 3,149,783 km (0.072 R)
• M26: 3,516,448 km (0.104 R)
• M27: 3,687,139 km (0.089 R)
• M28: 3,948,187 km (0.037 R)
• M29: 4,058,889 km (0.108 R)
• M30: 4,275,657 km (0.078 R)
• M31: 4,343,724 km (0.103 R)
• M32: 4,504,093 km (0.069 R)
• M33: 4,697,373 km (0.077 R)
• M34: 4,933,139 km (0.108 R)
• M35: 5,036,512 km (0.108 R)
• M36: 5,294,119 km (0.046 R)
• M37: 5,490,092 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.1

Radius: 10.4

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.86 AU - 0.94 AU

Year: 551 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 20,741,227 km

• M1: 131,796 km (0.069 R)
• M2: 219,011 km (0.116 R)
• M3: 304,581 km (0.106 R)
• M4: 375,939 km (0.099 R)
• M5: 481,556 km (0.12 R)
• M6: 569,818 km (0.096 R)
• M7: 704,606 km (0.112 R)
• M8: 802,593 km (0.082 R)
• M9: 870,660 km (0.116 R)
• M10: 940,971 km (0.097 R)
• M11: 1,164,021 km (0.1 R)
• M12: 1,276,519 km (0.119 R)
• M13: 1,375,104 km (0.119 R)
• M14: 1,476,232 km (0.088 R)
• M15: 1,611,169 km (0.076 R)
• M16: 1,686,417 km (0.077 R)
• M17: 1,756,578 km (0.096 R)
• M18: 1,834,219 km (0.025 R)
• M19: 2,006,706 km (0.04 R)
• M20: 2,205,372 km (0.096 R)
• M21: 2,360,505 km (0.091 R)
• M22: 2,504,717 km (0.116 R)
• M23: 2,644,591 km (0.089 R)
• M24: 2,893,522 km (0.1 R)
• M25: 3,009,311 km (0.11 R)
• M26: 3,197,804 km (0.112 R)
• M27: 3,471,568 km (0.058 R)
• M28: 3,677,714 km (0.064 R)
• M29: 3,854,090 km (0.114 R)
• M30: 4,024,632 km (0.071 R)
• M31: 4,093,596 km (0.074 R)
• M32: 4,223,896 km (0.05 R)
• M33: 4,346,865 km (0.068 R)
• M34: 4,435,427 km (0.101 R)
• M35: 4,542,390 km (0.114 R)
• M36: 4,731,930 km (0.093 R)
• M37: 4,804,784 km (0.087 R)
• M38: 4,970,090 km (0.059 R)
• M39: 5,184,015 km (0.073 R)
• M40: 5,467,802 km (0.069 R)
• M41: 5,592,417 km (0.096 R)
• M42: 5,737,378 km (0.062 R)
• M43: 5,854,064 km (0.096 R)
• M44: 5,952,050 km (0.071 R)
• M45: 6,070,382 km (0.089 R)
• M46: 6,159,692 km (0.119 R)
• M47: 6,259,325 km (0.12 R)
• M48: 6,329,336 km (0.067 R)
• M49: 6,480,430 km (0.098 R)
• M50: 6,920,248 km (0.107 R)
• M51: 6,992,803 km (0.117 R)
• M52: 7,065,657 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.7

Radius: 10.5

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.83 AU - 1.33 AU

Year: 725 Days

Day: 9.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 20,741,227 km

• M1: 180,265 km (0.107 R)
• M2: 280,945 km (0.068 R)
• M3: 458,368 km (0.103 R)
• M4: 565,181 km (0.104 R)
• M5: 656,585 km (0.05 R)
• M6: 780,003 km (0.064 R)
• M7: 850,464 km (0.109 R)
• M8: 946,057 km (0.071 R)
• M9: 1,057,657 km (0.118 R)
• M10: 1,148,912 km (0.114 R)
• M11: 1,412,802 km (0.05 R)
• M12: 1,493,735 km (0.072 R)
• M13: 1,576,313 km (0.073 R)
• M14: 1,653,505 km (0.03 R)
• M15: 1,724,714 km (0.028 R)
• M16: 1,826,291 km (0.109 R)
• M17: 1,960,031 km (0.116 R)
• M18: 2,028,098 km (0.077 R)
• M19: 2,104,692 km (0.06 R)
• M20: 2,237,236 km (0.102 R)
• M21: 2,510,701 km (0.09 R)
• M22: 2,576,674 km (0.113 R)
• M23: 2,676,755 km (0.102 R)
• M24: 2,761,128 km (0.108 R)
• M25: 2,880,806 km (0.081 R)
• M26: 2,958,747 km (0.113 R)
• M27: 3,241,487 km (0.038 R)
• M28: 3,468,427 km (0.095 R)
• M29: 3,616,529 km (0.107 R)
• M30: 3,691,327 km (0.094 R)
• M31: 3,986,334 km (0.098 R)
• M32: 4,092,848 km (0.101 R)
• M33: 4,219,857 km (0.097 R)
• M34: 4,318,591 km (0.104 R)
• M35: 4,418,074 km (0.098 R)
• M36: 4,508,281 km (0.11 R)
• M37: 4,761,999 km (0.069 R)
• M38: 5,104,279 km (0.112 R)
• M39: 5,188,503 km (0.108 R)
• M40: 5,368,918 km (0.117 R)
• M41: 5,497,572 km (0.102 R)
• M42: 5,605,582 km (0.088 R)
• M43: 5,692,349 km (0.089 R)
• M44: 5,768,793 km (0.062 R)
• M45: 6,156,102 km (0.116 R)
• M46: 6,279,520 km (0.074 R)
• M47: 6,460,534 km (0.117 R)
• M48: 6,551,788 km (0.104 R)
• M49: 6,631,973 km (0.103 R)
• M50: 7,002,527 km (0.088 R)
• M51: 7,119,662 km (0.083 R)
• M52: 7,190,272 km (0.104 R)
• M53: 7,332,390 km (0.058 R)
• M54: 7,415,566 km (0.083 R)
• M55: 7,487,224 km (0.096 R)
• M56: 7,643,105 km (0.084 R)
• M57: 8,019,493 km (0.076 R)
• M58: 8,216,065 km (0.118 R)
• M59: 8,377,032 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.5

Radius: 12.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.5 AU - 2.42 AU

Year: 1772 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 20,741,227 km

• M1: 153,039 km (0.053 R)
• M2: 249,828 km (0.097 R)
• M3: 517,309 km (0.067 R)
• M4: 656,585 km (0.098 R)
• M5: 1,600,548 km (0.112 R)
• M6: 1,770,341 km (0.1 R)
• M7: 1,991,148 km (0.084 R)
• M8: 2,371,575 km (0.089 R)
• M9: 2,674,212 km (0.029 R)
• M10: 2,783,568 km (0.058 R)
• M11: 3,050,450 km (0.045 R)
• M12: 3,165,042 km (0.111 R)
• M13: 3,721,397 km (0.084 R)
• M14: 3,834,642 km (0.111 R)
• M15: 4,016,104 km (0.115 R)
• M16: 4,161,364 km (0.069 R)
• M17: 4,750,032 km (0.081 R)
• M18: 4,914,290 km (0.066 R)
• M19: 5,579,253 km (0.102 R)
• M20: 5,939,035 km (0.072 R)
• M21: 6,082,799 km (0.118 R)
• M22: 6,250,199 km (0.109 R)
• M23: 6,340,107 km (0.075 R)
• M24: 6,958,246 km (0.084 R)
• M25: 7,215,704 km (0.061 R)
• M26: 7,298,282 km (0.05 R)
• M27: 7,739,895 km (0.069 R)
• M28: 7,921,506 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.9

Radius: 12.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.78 AU - 4.44 AU

Year: 4429 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 20,741,227 km

• M1: 179,218 km (0.094 R)
• M2: 551,717 km (0.108 R)
• M3: 679,623 km (0.107 R)
• M4: 774,917 km (0.117 R)
• M5: 910,153 km (0.087 R)
• M6: 1,232,088 km (0.115 R)
• M7: 1,324,988 km (0.11 R)
• M8: 1,490,294 km (0.085 R)
• M9: 1,589,926 km (0.109 R)
• M10: 2,043,507 km (0.092 R)
• M11: 2,187,570 km (0.094 R)
• M12: 2,502,922 km (0.112 R)
• M13: 2,622,899 km (0.114 R)
• M14: 2,886,491 km (0.119 R)
• M15: 3,012,602 km (0.078 R)
• M16: 3,232,960 km (0.065 R)
• M17: 3,345,308 km (0.102 R)
• M18: 3,554,595 km (0.114 R)
• M19: 3,709,578 km (0.077 R)
• M20: 4,476,267 km (0.111 R)
• M21: 4,622,873 km (0.086 R)
• M22: 6,599,211 km (0.087 R)
• M23: 6,838,567 km (0.113 R)
• M24: 7,449,824 km (0.069 R)
• M25: 7,724,336 km (0.107 R)
• M26: 8,027,571 km (0.086 R)
• M27: 8,257,653 km (0.091 R)
• M28: 8,646,009 km (0.077 R)
• M29: 9,040,349 km (0.088 R)
• M30: 9,333,262 km (0.089 R)
• M31: 9,602,388 km (0.039 R)
• M32: 9,737,924 km (0.1 R)
• M33: 9,928,661 km (0.09 R)
• M34: 10,620,102 km (0.098 R)
• M35: 10,985,869 km (0.105 R)
• M36: 12,254,459 km (0.068 R)
• M37: 13,206,051 km (0.106 R)
• M38: 13,569,125 km (0.077 R)
• M39: 13,843,488 km (0.068 R)
• M40: 13,996,826 km (0.044 R)
• M41: 14,119,795 km (0.064 R)
• M42: 14,928,072 km (0.08 R)
• M43: 15,148,280 km (0.111 R)
• M44: 15,464,829 km (0.097 R)
• M45: 16,201,001 km (0.119 R)
• M46: 16,817,793 km (0.087 R)
• M47: 17,277,208 km (0.119 R)
• M48: 17,907,314 km (0.081 R)
• M49: 18,208,454 km (0.059 R)
• M50: 18,815,672 km (0.092 R)
• M51: 19,087,791 km (0.057 R)
• M52: 19,395,364 km (0.088 R)
• M53: 19,670,175 km (0.116 R)
• M54: 20,050,154 km (0.093 R)
• M55: 20,154,274 km (0.067 R)
• M56: 20,258,544 km (0.076 R)
• M57: 20,502,388 km (0.077 R)
• M58: 20,922,758 km (0.103 R)
• M59: 22,165,318 km (0.106 R)
• M60: 22,632,961 km (0.099 R)
• M61: 23,140,098 km (0.093 R)
• M62: 23,687,776 km (0.104 R)
• M63: 23,944,785 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.7

Radius: 4.4

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6 AU - 6.98 AU

Year: 10675 Days

Day: 23.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 20,741,227 km

• M1: 85,420 km (0.074 R)
• M2: 239,207 km (0.092 R)
• M3: 351,106 km (0.113 R)
• M4: 454,329 km (0.086 R)
• M5: 936,183 km (0.091 R)
• M6: 1,080,845 km (0.096 R)
• M7: 1,317,060 km (0.109 R)
• M8: 1,556,117 km (0.119 R)
• M9: 1,595,162 km (0.11 R)
• M10: 1,660,836 km (0.106 R)
• M11: 1,795,025 km (0.064 R)
• M12: 2,718,493 km (0.07 R)
• M13: 2,956,952 km (0.116 R)
• M14: 3,235,353 km (0.069 R)
• M15: 3,711,972 km (0.082 R)
• M16: 3,799,337 km (0.116 R)
• M17: 4,560,341 km (0.075 R)
• M18: 4,729,387 km (0.101 R)
• M19: 5,366,674 km (0.09 R)
• M20: 5,605,133 km (0.09 R)
• M21: 6,656,507 km (0.089 R)
• M22: 7,150,180 km (0.082 R)
• M23: 7,390,434 km (0.095 R)
• M24: 7,968,779 km (0.06 R)
• M25: 8,059,136 km (0.109 R)
• M26: 8,538,598 km (0.116 R)
• M27: 8,816,700 km (0.091 R)
• M28: 9,192,191 km (0.047 R)
• M29: 9,886,026 km (0.073 R)
• M30: 9,958,730 km (0.093 R)
• M31: 10,104,738 km (0.094 R)
• M32: 10,995,593 km (0.093 R)
• M33: 12,144,056 km (0.109 R)
• M34: 12,195,966 km (0.086 R)
• M35: 12,692,931 km (0.096 R)
• M36: 13,544,741 km (0.07 R)
• M37: 13,977,527 km (0.12 R)
• M38: 14,470,004 km (0.051 R)
• M39: 14,525,056 km (0.058 R)
• M40: 15,023,665 km (0.098 R)
• M41: 16,610,450 km (0.062 R)
• M42: 16,696,918 km (0.097 R)
• M43: 17,717,175 km (0.078 R)
• M44: 18,279,364 km (0.055 R)
• M45: 18,428,363 km (0.089 R)
• M46: 18,607,582 km (0.069 R)
• M47: 18,847,537 km (0.114 R)
• M48: 19,330,438 km (0.102 R)
• M49: 19,634,272 km (0.1 R)
• M50: 20,431,778 km (0.114 R)
• M51: 20,586,313 km (0.073 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 12,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit