🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.4 AU - 0.66 AU

Year: 249 Days

Day: 46.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.54 AU - 0.68 AU

Year: 308 Days

Day: 40.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 12.1

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.62 AU - 0.94 AU

Year: 445 Days

Day: 12.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 22,091,548 km

• M1: 160,070 km (0.094 R)
• M2: 235,617 km (0.104 R)
• M3: 343,626 km (0.076 R)
• M4: 426,803 km (0.094 R)
• M5: 542,442 km (0.069 R)
• M6: 632,799 km (0.071 R)
• M7: 752,776 km (0.118 R)
• M8: 881,131 km (0.059 R)
• M9: 1,013,825 km (0.114 R)
• M10: 1,121,984 km (0.102 R)
• M11: 1,333,964 km (0.099 R)
• M12: 1,436,289 km (0.109 R)
• M13: 1,514,828 km (0.06 R)
• M14: 1,653,954 km (0.112 R)
• M15: 1,741,319 km (0.12 R)
• M16: 1,868,178 km (0.087 R)
• M17: 2,052,333 km (0.095 R)
• M18: 2,141,793 km (0.113 R)
• M19: 2,262,967 km (0.096 R)
• M20: 2,391,920 km (0.088 R)
• M21: 2,496,788 km (0.118 R)
• M22: 2,608,538 km (0.094 R)
• M23: 2,798,827 km (0.053 R)
• M24: 2,920,749 km (0.106 R)
• M25: 3,061,520 km (0.087 R)
• M26: 3,262,580 km (0.09 R)
• M27: 3,385,250 km (0.118 R)
• M28: 3,461,994 km (0.095 R)
• M29: 3,551,304 km (0.056 R)
• M30: 3,647,495 km (0.094 R)
• M31: 3,726,333 km (0.104 R)
• M32: 3,836,288 km (0.095 R)
• M33: 3,916,472 km (0.106 R)
• M34: 4,003,389 km (0.095 R)
• M35: 4,198,315 km (0.092 R)
• M36: 4,280,893 km (0.109 R)
• M37: 4,409,248 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 14.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.94 AU - 1.54 AU

Year: 892 Days

Day: 5.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,091,548 km

• M1: 181,911 km (0.052 R)
• M2: 280,346 km (0.065 R)
• M3: 394,938 km (0.11 R)
• M4: 522,695 km (0.069 R)
• M5: 627,862 km (0.057 R)
• M6: 762,500 km (0.093 R)
• M7: 1,081,293 km (0.059 R)
• M8: 1,244,804 km (0.092 R)
• M9: 1,335,311 km (0.085 R)
• M10: 1,424,471 km (0.087 R)
• M11: 1,550,732 km (0.118 R)
• M12: 1,676,843 km (0.103 R)
• M13: 1,786,199 km (0.116 R)
• M14: 2,012,391 km (0.12 R)
• M15: 2,203,876 km (0.072 R)
• M16: 2,378,756 km (0.038 R)
• M17: 2,666,732 km (0.12 R)
• M18: 2,814,983 km (0.072 R)
• M19: 2,917,009 km (0.073 R)
• M20: 3,074,984 km (0.048 R)
• M21: 3,165,192 km (0.118 R)
• M22: 3,302,223 km (0.109 R)
• M23: 3,582,271 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.9

Radius: 14

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.24 AU - 1.36 AU

Year: 957 Days

Day: 13.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 22,091,548 km

• M1: 174,431 km (0.086 R)
• M2: 292,763 km (0.105 R)
• M3: 465,100 km (0.062 R)
• M4: 871,108 km (0.075 R)
• M5: 997,219 km (0.052 R)
• M6: 1,136,645 km (0.048 R)
• M7: 1,283,251 km (0.077 R)
• M8: 1,494,034 km (0.11 R)
• M9: 1,603,839 km (0.069 R)
• M10: 1,724,265 km (0.106 R)
• M11: 1,824,346 km (0.051 R)
• M12: 1,934,600 km (0.105 R)
• M13: 2,120,699 km (0.113 R)
• M14: 2,220,182 km (0.061 R)
• M15: 2,329,837 km (0.115 R)
• M16: 2,484,821 km (0.105 R)
• M17: 2,607,790 km (0.058 R)
• M18: 2,723,878 km (0.12 R)
• M19: 2,905,939 km (0.065 R)
• M20: 3,054,639 km (0.073 R)
• M21: 3,476,655 km (0.09 R)
• M22: 3,575,240 km (0.071 R)
• M23: 3,795,597 km (0.028 R)
• M24: 3,917,669 km (0.085 R)
• M25: 4,092,848 km (0.027 R)
• M26: 4,281,192 km (0.083 R)
• M27: 4,387,257 km (0.065 R)
• M28: 4,515,462 km (0.115 R)
• M29: 4,754,071 km (0.071 R)
• M30: 4,985,648 km (0.1 R)
• M31: 5,074,958 km (0.072 R)
• M32: 5,311,772 km (0.053 R)
• M33: 5,598,551 km (0.118 R)
• M34: 5,737,976 km (0.1 R)
• M35: 5,961,326 km (0.095 R)
• M36: 6,380,050 km (0.097 R)
• M37: 6,525,908 km (0.088 R)
• M38: 6,907,831 km (0.034 R)
• M39: 7,158,109 km (0.089 R)
• M40: 7,309,801 km (0.117 R)
• M41: 7,411,527 km (0.102 R)
• M42: 7,732,265 km (0.044 R)
• M43: 7,848,951 km (0.078 R)
• M44: 7,953,221 km (0.077 R)
• M45: 8,057,790 km (0.069 R)
• M46: 8,202,451 km (0.091 R)
• M47: 8,494,317 km (0.102 R)
• M48: 8,641,671 km (0.052 R)
• M49: 8,735,768 km (0.114 R)
• M50: 9,129,509 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.2

Radius: 14.6

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.49 AU - 1.73 AU

Year: 1319 Days

Day: 15 Hours

Environment

Temp: -176 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 22,091,548 km

• M1: 187,895 km (0.09 R)
• M2: 282,142 km (0.099 R)
• M3: 404,812 km (0.091 R)
• M4: 568,622 km (0.068 R)
• M5: 690,394 km (0.112 R)
• M6: 827,725 km (0.104 R)
• M7: 970,292 km (0.098 R)
• M8: 1,088,773 km (0.1 R)
• M9: 1,195,437 km (0.114 R)
• M10: 1,371,663 km (0.066 R)
• M11: 1,463,366 km (0.038 R)
• M12: 1,595,312 km (0.102 R)
• M13: 1,817,913 km (0.066 R)
• M14: 2,100,504 km (0.069 R)
• M15: 2,250,850 km (0.114 R)
• M16: 2,375,465 km (0.086 R)
• M17: 2,487,214 km (0.114 R)
• M18: 2,670,023 km (0.077 R)
• M19: 2,794,488 km (0.109 R)
• M20: 2,904,891 km (0.09 R)
• M21: 3,089,794 km (0.119 R)
• M22: 3,395,423 km (0.111 R)
• M23: 3,496,701 km (0.119 R)
• M24: 3,824,470 km (0.069 R)
• M25: 3,929,936 km (0.102 R)
• M26: 4,135,184 km (0.112 R)
• M27: 4,234,517 km (0.088 R)
• M28: 4,353,148 km (0.095 R)
• M29: 4,472,677 km (0.112 R)
• M30: 4,867,017 km (0.104 R)
• M31: 4,962,461 km (0.108 R)
• M32: 5,252,980 km (0.108 R)
• M33: 5,380,587 km (0.093 R)
• M34: 5,699,380 km (0.057 R)
• M35: 5,800,209 km (0.057 R)
• M36: 6,137,402 km (0.118 R)
• M37: 6,376,160 km (0.091 R)
• M38: 6,491,500 km (0.066 R)
• M39: 6,692,410 km (0.079 R)
• M40: 6,809,695 km (0.111 R)
• M41: 6,927,578 km (0.071 R)
• M42: 7,165,588 km (0.1 R)
• M43: 7,285,566 km (0.073 R)
• M44: 7,549,756 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275

Radius: 10.9

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.42 AU - 3.18 AU

Year: 3025 Days

Day: 9.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 22,091,548 km

• M1: 141,071 km (0.062 R)
• M2: 281,394 km (0.088 R)
• M3: 520,152 km (0.063 R)
• M4: 642,672 km (0.082 R)
• M5: 711,936 km (0.027 R)
• M6: 867,518 km (0.117 R)
• M7: 972,087 km (0.105 R)
• M8: 1,044,193 km (0.037 R)
• M9: 1,127,818 km (0.118 R)
• M10: 1,342,042 km (0.042 R)
• M11: 1,506,451 km (0.108 R)
• M12: 1,721,572 km (0.102 R)
• M13: 1,912,459 km (0.026 R)
• M14: 2,039,767 km (0.069 R)
• M15: 2,266,557 km (0.109 R)
• M16: 2,744,672 km (0.105 R)
• M17: 2,942,141 km (0.104 R)
• M18: 3,062,867 km (0.077 R)
• M19: 3,144,248 km (0.118 R)
• M20: 3,393,029 km (0.077 R)
• M21: 4,042,882 km (0.084 R)
• M22: 4,117,532 km (0.109 R)
• M23: 4,237,808 km (0.057 R)
• M24: 4,405,358 km (0.056 R)
• M25: 4,543,886 km (0.051 R)
• M26: 4,841,436 km (0.044 R)
• M27: 5,000,608 km (0.087 R)
• M28: 5,193,888 km (0.099 R)
• M29: 5,471,991 km (0.097 R)
• M30: 5,771,785 km (0.117 R)
• M31: 6,025,802 km (0.103 R)
• M32: 6,111,223 km (0.063 R)
• M33: 6,527,254 km (0.086 R)
• M34: 7,295,589 km (0.097 R)
• M35: 7,662,702 km (0.102 R)
• M36: 7,848,652 km (0.07 R)
• M37: 7,923,302 km (0.106 R)
• M38: 8,111,346 km (0.089 R)
• M39: 8,300,737 km (0.033 R)
• M40: 8,453,327 km (0.072 R)
• M41: 8,858,438 km (0.109 R)
• M42: 9,547,635 km (0.114 R)
• M43: 10,131,815 km (0.067 R)
• M44: 10,479,780 km (0.074 R)
• M45: 10,644,786 km (0.059 R)
• M46: 10,810,690 km (0.109 R)
• M47: 10,935,754 km (0.081 R)
• M48: 11,166,135 km (0.041 R)
• M49: 11,419,404 km (0.11 R)
• M50: 11,610,590 km (0.04 R)
• M51: 11,802,823 km (0.1 R)
• M52: 11,888,692 km (0.042 R)
• M53: 12,277,348 km (0.052 R)
• M54: 12,451,330 km (0.117 R)
• M55: 12,846,119 km (0.057 R)
• M56: 12,934,381 km (0.077 R)
• M57: 13,378,687 km (0.099 R)
• M58: 13,647,814 km (0.092 R)
• M59: 13,941,175 km (0.102 R)
• M60: 14,442,627 km (0.077 R)
• M61: 14,626,483 km (0.108 R)
• M62: 14,695,597 km (0.119 R)
• M63: 14,857,313 km (0.1 R)
• M64: 15,042,963 km (0.104 R)
• M65: 15,722,138 km (0.051 R)
• M66: 15,840,171 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 13.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.89 AU - 3.33 AU

Year: 3541 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 22,091,548 km

• M1: 175,628 km (0.109 R)
• M2: 400,025 km (0.111 R)
• M3: 540,048 km (0.111 R)
• M4: 638,334 km (0.109 R)
• M5: 777,011 km (0.103 R)
• M6: 915,240 km (0.067 R)
• M7: 1,012,478 km (0.1 R)
• M8: 1,326,933 km (0.086 R)
• M9: 1,424,770 km (0.12 R)
• M10: 1,583,643 km (0.118 R)
• M11: 1,872,666 km (0.112 R)
• M12: 2,364,095 km (0.101 R)
• M13: 2,467,168 km (0.083 R)
• M14: 3,155,917 km (0.082 R)
• M15: 3,308,357 km (0.054 R)
• M16: 3,620,867 km (0.067 R)
• M17: 3,922,606 km (0.103 R)
• M18: 4,295,852 km (0.073 R)
• M19: 4,444,104 km (0.114 R)
• M20: 4,572,459 km (0.072 R)
• M21: 4,702,160 km (0.119 R)
• M22: 4,811,217 km (0.109 R)
• M23: 5,392,106 km (0.059 R)
• M24: 5,506,398 km (0.118 R)
• M25: 5,714,190 km (0.104 R)
• M26: 6,042,557 km (0.065 R)
• M27: 6,473,997 km (0.109 R)
• M28: 6,595,621 km (0.098 R)
• M29: 7,215,255 km (0.098 R)
• M30: 7,316,233 km (0.071 R)
• M31: 7,417,511 km (0.107 R)
• M32: 7,724,486 km (0.063 R)
• M33: 7,827,858 km (0.086 R)
• M34: 8,114,189 km (0.066 R)
• M35: 8,219,206 km (0.103 R)
• M36: 8,804,732 km (0.09 R)
• M37: 9,021,200 km (0.026 R)
• M38: 9,129,958 km (0.082 R)
• M39: 9,266,691 km (0.067 R)
• M40: 10,299,065 km (0.081 R)
• M41: 11,221,486 km (0.119 R)
• M42: 11,367,942 km (0.034 R)
• M43: 11,544,617 km (0.118 R)
• M44: 11,692,570 km (0.059 R)
• M45: 12,110,097 km (0.097 R)
• M46: 12,290,512 km (0.115 R)
• M47: 12,381,169 km (0.108 R)
• M48: 12,471,974 km (0.099 R)
• M49: 14,525,205 km (0.087 R)
• M50: 14,877,508 km (0.102 R)
• M51: 15,070,938 km (0.056 R)
• M52: 15,460,192 km (0.103 R)
• M53: 16,514,558 km (0.077 R)
• M54: 16,647,999 km (0.093 R)
• M55: 16,983,098 km (0.095 R)
• M56: 17,320,441 km (0.063 R)
• M57: 17,796,611 km (0.116 R)
• M58: 18,276,970 km (0.107 R)
• M59: 18,449,606 km (0.116 R)
• M60: 18,657,547 km (0.098 R)
• M61: 18,970,805 km (0.09 R)
• M62: 19,145,535 km (0.094 R)
• M63: 19,250,703 km (0.105 R)
• M64: 19,708,472 km (0.059 R)
• M65: 20,169,832 km (0.104 R)
• M66: 20,384,056 km (0.069 R)
• M67: 20,922,758 km (0.074 R)
• M68: 21,031,067 km (0.115 R)
• M69: 21,611,956 km (0.117 R)
• M70: 21,904,270 km (0.039 R)
• M71: 22,530,038 km (0.062 R)
• M72: 23,086,991 km (0.106 R)
• M73: 23,236,289 km (0.091 R)
• M74: 23,460,836 km (0.084 R)
• M75: 23,686,130 km (0.098 R)
• M76: 23,874,474 km (0.064 R)
• M77: 25,052,856 km (0.11 R)
• M78: 25,514,216 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33

Radius: 7.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.23 AU - 9.51 AU

Year: 14255 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,091,548 km

• M1: 148,850 km (0.115 R)
• M2: 204,351 km (0.115 R)
• M3: 379,530 km (0.057 R)
• M4: 485,744 km (0.101 R)
• M5: 593,455 km (0.058 R)
• M6: 2,427,674 km (0.094 R)
• M7: 3,028,609 km (0.1 R)
• M8: 4,650,250 km (0.075 R)
• M9: 5,681,129 km (0.072 R)
• M10: 7,779,239 km (0.075 R)
• M11: 8,248,677 km (0.084 R)
• M12: 8,727,241 km (0.112 R)
• M13: 12,402,561 km (0.106 R)
• M14: 12,566,072 km (0.074 R)
• M15: 13,116,143 km (0.072 R)
• M16: 14,640,396 km (0.055 R)
• M17: 14,697,841 km (0.075 R)
• M18: 15,834,635 km (0.07 R)
• M19: 16,908,898 km (0.085 R)
• M20: 17,945,013 km (0.106 R)
• M21: 20,559,235 km (0.075 R)
• M22: 21,631,254 km (0.033 R)
• M23: 21,828,125 km (0.09 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 18,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit