🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.7

Radius: 14.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.97 AU - 1.53 AU

Year: 932 Days

Day: 12.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,564,615 km

• M1: 180,415 km (0.095 R)
• M2: 718,070 km (0.083 R)
• M3: 1,643,333 km (0.062 R)
• M4: 2,358,410 km (0.087 R)
• M5: 3,471,419 km (0.044 R)
• M6: 4,262,343 km (0.097 R)
• M7: 4,792,817 km (0.108 R)
• M8: 5,403,475 km (0.063 R)
• M9: 6,697,497 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.3

Radius: 14.7

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.47 AU - 1.85 AU

Year: 1426 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,564,615 km

• M1: 184,005 km (0.049 R)
• M2: 662,419 km (0.08 R)
• M3: 1,447,210 km (0.109 R)
• M4: 1,935,796 km (0.048 R)
• M5: 2,500,528 km (0.029 R)
• M6: 3,036,538 km (0.075 R)
• M7: 3,556,839 km (0.118 R)
• M8: 4,343,873 km (0.116 R)
• M9: 4,817,351 km (0.066 R)
• M10: 6,874,471 km (0.101 R)
• M11: 8,678,920 km (0.11 R)
• M12: 10,618,756 km (0.077 R)
• M13: 11,179,449 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 14.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.03 AU - 2.85 AU

Year: 2542 Days

Day: 13.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,564,615 km

• M1: 179,069 km (0.092 R)
• M2: 646,263 km (0.106 R)
• M3: 1,133,952 km (0.119 R)
• M4: 1,638,246 km (0.09 R)
• M5: 2,097,213 km (0.085 R)
• M6: 3,661,557 km (0.097 R)
• M7: 4,144,160 km (0.03 R)
• M8: 5,757,573 km (0.108 R)
• M9: 7,788,065 km (0.038 R)
• M10: 8,308,067 km (0.103 R)
• M11: 8,982,455 km (0.101 R)
• M12: 10,080,204 km (0.111 R)
• M13: 10,587,939 km (0.082 R)
• M14: 11,074,581 km (0.062 R)
• M15: 13,648,711 km (0.095 R)
• M16: 16,649,345 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.9

Radius: 10.3

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.52 AU - 3.8 AU

Year: 3746 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,564,615 km

• M1: 128,205 km (0.115 R)
• M2: 580,589 km (0.097 R)
• M3: 920,775 km (0.106 R)
• M4: 1,285,345 km (0.06 R)
• M5: 1,997,730 km (0.119 R)
• M6: 2,556,927 km (0.028 R)
• M7: 3,237,148 km (0.086 R)
• M8: 3,943,998 km (0.112 R)
• M9: 4,478,511 km (0.1 R)
• M10: 6,818,521 km (0.057 R)
• M11: 8,087,111 km (0.106 R)
• M12: 10,862,750 km (0.108 R)
• M13: 11,311,843 km (0.059 R)
• M14: 14,271,637 km (0.067 R)
• M15: 18,779,769 km (0.113 R)
• M16: 20,089,797 km (0.089 R)
• M17: 23,929,825 km (0.112 R)
• M18: 25,077,689 km (0.051 R)
• M19: 26,021,951 km (0.038 R)
• M20: 26,745,706 km (0.034 R)
• M21: 27,814,732 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.7

Radius: 11.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.4 AU - 4.12 AU

Year: 4862 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,564,615 km

• M1: 148,251 km (0.057 R)
• M2: 650,003 km (0.104 R)
• M3: 1,095,206 km (0.11 R)
• M4: 1,662,032 km (0.101 R)
• M5: 2,091,677 km (0.09 R)
• M6: 2,514,441 km (0.086 R)
• M7: 2,904,443 km (0.1 R)
• M8: 3,315,388 km (0.107 R)
• M9: 3,808,163 km (0.104 R)
• M10: 4,326,071 km (0.113 R)
• M11: 5,700,427 km (0.054 R)
• M12: 7,866,305 km (0.11 R)
• M13: 8,709,588 km (0.107 R)
• M14: 9,652,803 km (0.107 R)
• M15: 10,489,803 km (0.117 R)
• M16: 15,697,903 km (0.116 R)
• M17: 17,515,218 km (0.08 R)
• M18: 18,068,132 km (0.066 R)
• M19: 21,774,269 km (0.11 R)
• M20: 22,557,564 km (0.059 R)
• M21: 24,943,351 km (0.105 R)
• M22: 26,920,885 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.3

Radius: 8.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.44 AU - 5.24 AU

Year: 6029 Days

Day: 11.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,564,615 km

• M1: 108,458 km (0.051 R)
• M2: 391,198 km (0.067 R)
• M3: 892,800 km (0.102 R)
• M4: 1,328,279 km (0.118 R)
• M5: 2,237,535 km (0.119 R)
• M6: 2,764,120 km (0.102 R)
• M7: 3,697,162 km (0.105 R)
• M8: 4,044,229 km (0.082 R)
• M9: 5,883,834 km (0.091 R)
• M10: 6,605,045 km (0.094 R)
• M11: 9,978,178 km (0.116 R)
• M12: 10,615,166 km (0.103 R)
• M13: 11,002,325 km (0.062 R)
• M14: 11,519,784 km (0.111 R)
• M15: 12,732,424 km (0.104 R)
• M16: 13,392,151 km (0.05 R)
• M17: 13,753,131 km (0.056 R)
• M18: 15,756,396 km (0.09 R)
• M19: 16,723,546 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.3

Radius: 8.5

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4 AU - 5.08 AU

Year: 6451 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,564,615 km

• M1: 105,766 km (0.101 R)
• M2: 398,379 km (0.086 R)
• M3: 682,465 km (0.053 R)
• M4: 1,383,631 km (0.094 R)
• M5: 1,761,066 km (0.052 R)
• M6: 2,592,382 km (0.061 R)
• M7: 2,921,497 km (0.118 R)
• M8: 3,711,374 km (0.113 R)
• M9: 4,833,358 km (0.067 R)
• M10: 6,439,590 km (0.073 R)
• M11: 6,863,999 km (0.09 R)
• M12: 7,232,010 km (0.082 R)
• M13: 7,769,066 km (0.1 R)
• M14: 9,140,430 km (0.06 R)
• M15: 10,377,155 km (0.08 R)
• M16: 10,666,478 km (0.048 R)
• M17: 12,462,999 km (0.057 R)
• M18: 13,178,974 km (0.119 R)
• M19: 14,632,467 km (0.076 R)
• M20: 15,057,923 km (0.114 R)
• M21: 19,925,389 km (0.048 R)
• M22: 22,310,578 km (0.119 R)
• M23: 22,955,793 km (0.037 R)
• M24: 24,114,578 km (0.104 R)
• M25: 24,965,940 km (0.106 R)
• M26: 37,022,331 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.8

Radius: 5.9

Gravity: 27.37 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.57 AU - 8.99 AU

Year: 17349 Days

Day: 20 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 90,564,615 km

• M1: 74,051 km (0.103 R)
• M2: 294,409 km (0.041 R)
• M3: 748,139 km (0.111 R)
• M4: 964,308 km (0.096 R)
• M5: 1,293,872 km (0.07 R)
• M6: 2,054,727 km (0.114 R)
• M7: 3,614,584 km (0.115 R)
• M8: 3,982,744 km (0.117 R)
• M9: 4,616,441 km (0.115 R)
• M10: 7,012,999 km (0.118 R)
• M11: 7,536,890 km (0.111 R)
• M12: 9,265,195 km (0.098 R)
• M13: 10,013,184 km (0.057 R)
• M14: 10,615,465 km (0.117 R)
• M15: 10,800,817 km (0.043 R)
• M16: 11,114,374 km (0.119 R)
• M17: 11,563,766 km (0.108 R)
• M18: 11,958,405 km (0.076 R)
• M19: 12,159,016 km (0.119 R)
• M20: 12,984,347 km (0.034 R)
• M21: 14,142,085 km (0.106 R)
• M22: 17,079,888 km (0.107 R)
• M23: 19,464,029 km (0.059 R)
• M24: 27,696,999 km (0.114 R)
• M25: 28,403,250 km (0.116 R)
• M26: 29,242,345 km (0.065 R)
• M27: 35,446,168 km (0.079 R)
• M28: 37,123,609 km (0.09 R)
• M29: 38,707,103 km (0.067 R)
• M30: 41,090,047 km (0.067 R)
• M31: 42,628,063 km (0.086 R)
• M32: 49,852,443 km (0.119 R)
• M33: 54,482,946 km (0.08 R)
• M34: 56,150,364 km (0.078 R)
• M35: 67,296,004 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.6

Radius: 7.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 10.36 AU - 11.04 AU

Year: 23340 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,564,615 km

• M1: 88,263 km (0.071 R)
• M2: 366,964 km (0.116 R)
• M3: 700,417 km (0.109 R)
• M4: 982,409 km (0.116 R)
• M5: 1,208,302 km (0.115 R)
• M6: 2,577,571 km (0.104 R)
• M7: 4,338,039 km (0.072 R)
• M8: 7,424,542 km (0.062 R)
• M9: 9,830,375 km (0.046 R)
• M10: 13,196,178 km (0.037 R)
• M11: 14,030,186 km (0.099 R)
• M12: 16,237,203 km (0.098 R)
• M13: 20,437,014 km (0.049 R)
• M14: 23,419,846 km (0.092 R)
• M15: 26,680,780 km (0.103 R)
• M16: 30,327,079 km (0.032 R)
• M17: 33,574,849 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.6

Radius: 3.7

Gravity: 57.02 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 9.11 AU - 12.89 AU

Year: 24329 Days

Day: 21.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 90,564,615 km

• M1: 47,123 km (0.085 R)
• M2: 409,898 km (0.053 R)
• M3: 727,644 km (0.116 R)
• M4: 996,771 km (0.082 R)
• M5: 1,827,637 km (0.081 R)
• M6: 2,665,086 km (0.039 R)
• M7: 3,510,464 km (0.097 R)
• M8: 4,857,742 km (0.079 R)
• M9: 5,795,870 km (0.116 R)
• M10: 5,926,469 km (0.036 R)
• M11: 6,515,735 km (0.104 R)
• M12: 8,685,503 km (0.099 R)
• M13: 8,972,132 km (0.061 R)
• M14: 10,892,221 km (0.094 R)
• M15: 11,360,911 km (0.032 R)
• M16: 11,497,195 km (0.096 R)
• M17: 12,554,702 km (0.119 R)
• M18: 12,921,067 km (0.059 R)
• M19: 15,188,373 km (0.069 R)
• M20: 16,633,638 km (0.092 R)
• M21: 16,986,539 km (0.112 R)
• M22: 18,921,737 km (0.063 R)
• M23: 19,500,382 km (0.085 R)
• M24: 22,679,935 km (0.091 R)
• M25: 24,904,754 km (0.078 R)
• M26: 25,951,640 km (0.102 R)
• M27: 32,580,771 km (0.082 R)
• M28: 33,411,338 km (0.082 R)
• M29: 36,429,774 km (0.106 R)
• M30: 40,253,945 km (0.106 R)
• M31: 41,693,525 km (0.119 R)
• M32: 42,344,276 km (0.106 R)
• M33: 42,672,194 km (0.113 R)
• M34: 45,872,093 km (0.065 R)
• M35: 46,565,479 km (0.1 R)
• M36: 55,832,169 km (0.098 R)
• M37: 56,424,278 km (0.06 R)
• M38: 58,630,996 km (0.09 R)
• M39: 66,917,820 km (0.086 R)
• M40: 76,435,386 km (0.067 R)
• M41: 78,638,813 km (0.197 R)
• M42: 84,720,865 km (0.167 R)
• M43: 84,980,866 km (0.104 R)
• M44: 90,293,385 km (0.117 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: 180 - 10,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit