🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.61 AU - 0.65 AU

Year: 328 Days

Day: 39.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.52 AU - 0.78 AU

Year: 344 Days

Day: 35.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 12.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.89 AU - 1.29 AU

Year: 747 Days

Day: 14.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,975,647 km

• M1: 158,873 km (0.103 R)
• M2: 248,482 km (0.1 R)
• M3: 345,272 km (0.037 R)
• M4: 467,942 km (0.071 R)
• M5: 604,226 km (0.08 R)
• M6: 690,843 km (0.058 R)
• M7: 773,571 km (0.042 R)
• M8: 863,329 km (0.079 R)
• M9: 950,545 km (0.111 R)
• M10: 1,051,224 km (0.07 R)
• M11: 1,148,762 km (0.086 R)
• M12: 1,285,345 km (0.059 R)
• M13: 1,364,931 km (0.073 R)
• M14: 1,457,532 km (0.073 R)
• M15: 1,833,472 km (0.112 R)
• M16: 1,965,716 km (0.073 R)
• M17: 2,071,332 km (0.117 R)
• M18: 2,170,216 km (0.075 R)
• M19: 2,301,713 km (0.06 R)
• M20: 2,476,742 km (0.111 R)
• M21: 2,609,884 km (0.075 R)
• M22: 2,797,480 km (0.072 R)
• M23: 2,878,562 km (0.115 R)
• M24: 3,067,804 km (0.087 R)
• M25: 3,291,153 km (0.064 R)
• M26: 3,387,195 km (0.094 R)
• M27: 3,504,629 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.3

Radius: 13.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.69 AU - 1.99 AU

Year: 1637 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 45,975,647 km

• M1: 169,345 km (0.086 R)
• M2: 253,269 km (0.066 R)
• M3: 340,186 km (0.103 R)
• M4: 430,243 km (0.081 R)
• M5: 537,505 km (0.084 R)
• M6: 667,954 km (0.079 R)
• M7: 810,820 km (0.108 R)
• M8: 951,293 km (0.114 R)
• M9: 1,078,750 km (0.118 R)
• M10: 1,182,122 km (0.104 R)
• M11: 1,266,047 km (0.032 R)
• M12: 1,456,485 km (0.08 R)
• M13: 1,682,527 km (0.109 R)
• M14: 1,839,904 km (0.029 R)
• M15: 1,938,489 km (0.057 R)
• M16: 2,283,761 km (0.091 R)
• M17: 2,390,275 km (0.079 R)
• M18: 2,679,447 km (0.06 R)
• M19: 2,833,384 km (0.117 R)
• M20: 2,958,896 km (0.114 R)
• M21: 3,445,987 km (0.063 R)
• M22: 3,911,984 km (0.108 R)
• M23: 4,040,489 km (0.108 R)
• M24: 4,170,489 km (0.116 R)
• M25: 4,301,836 km (0.042 R)
• M26: 4,593,253 km (0.103 R)
• M27: 4,704,255 km (0.115 R)
• M28: 4,979,365 km (0.112 R)
• M29: 5,080,643 km (0.043 R)
• M30: 5,195,534 km (0.097 R)
• M31: 5,285,442 km (0.116 R)
• M32: 5,493,084 km (0.053 R)
• M33: 5,637,446 km (0.051 R)
• M34: 5,756,526 km (0.047 R)
• M35: 5,970,152 km (0.081 R)
• M36: 6,145,780 km (0.107 R)
• M37: 6,268,300 km (0.06 R)
• M38: 6,350,579 km (0.067 R)
• M39: 6,557,623 km (0.075 R)
• M40: 6,655,011 km (0.115 R)
• M41: 6,823,009 km (0.12 R)
• M42: 7,006,715 km (0.108 R)
• M43: 7,728,675 km (0.118 R)
• M44: 7,905,499 km (0.062 R)
• M45: 8,039,090 km (0.097 R)
• M46: 8,173,280 km (0.115 R)
• M47: 8,656,780 km (0.097 R)
• M48: 9,180,821 km (0.109 R)
• M49: 9,415,241 km (0.053 R)
• M50: 9,509,637 km (0.063 R)
• M51: 9,635,898 km (0.081 R)
• M52: 9,730,893 km (0.08 R)
• M53: 10,050,135 km (0.118 R)
• M54: 10,243,415 km (0.093 R)
• M55: 10,340,504 km (0.064 R)
• M56: 10,486,661 km (0.066 R)
• M57: 10,584,498 km (0.087 R)
• M58: 10,682,634 km (0.118 R)
• M59: 11,177,953 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 8.8

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.34 AU - 3.72 AU

Year: 4351 Days

Day: 7.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 45,975,647 km

• M1: 414,536 km (0.112 R)
• M2: 500,554 km (0.099 R)
• M3: 846,275 km (0.033 R)
• M4: 1,011,581 km (0.09 R)
• M5: 1,187,657 km (0.036 R)
• M6: 1,244,056 km (0.053 R)
• M7: 1,493,436 km (0.076 R)
• M8: 1,554,471 km (0.109 R)
• M9: 2,316,523 km (0.107 R)
• M10: 2,387,732 km (0.096 R)
• M11: 2,679,896 km (0.088 R)
• M12: 2,849,241 km (0.108 R)
• M13: 3,002,878 km (0.038 R)
• M14: 3,480,245 km (0.046 R)
• M15: 3,727,829 km (0.101 R)
• M16: 3,853,791 km (0.118 R)
• M17: 4,088,360 km (0.097 R)
• M18: 4,262,043 km (0.117 R)
• M19: 4,371,699 km (0.077 R)
• M20: 4,438,120 km (0.088 R)
• M21: 4,594,151 km (0.097 R)
• M22: 4,843,081 km (0.118 R)
• M23: 4,957,673 km (0.038 R)
• M24: 5,882,338 km (0.07 R)
• M25: 6,053,927 km (0.115 R)
• M26: 6,127,978 km (0.112 R)
• M27: 6,351,926 km (0.045 R)
• M28: 6,782,319 km (0.071 R)
• M29: 6,962,285 km (0.091 R)
• M30: 8,293,407 km (0.081 R)
• M31: 8,486,089 km (0.055 R)
• M32: 8,568,966 km (0.098 R)
• M33: 8,707,942 km (0.095 R)
• M34: 8,847,517 km (0.119 R)
• M35: 10,020,664 km (0.075 R)
• M36: 10,284,704 km (0.078 R)
• M37: 10,819,666 km (0.118 R)
• M38: 10,909,724 km (0.084 R)
• M39: 12,134,033 km (0.069 R)
• M40: 12,290,063 km (0.096 R)
• M41: 12,762,344 km (0.057 R)
• M42: 12,921,067 km (0.094 R)
• M43: 13,369,113 km (0.117 R)
• M44: 13,465,753 km (0.058 R)
• M45: 13,659,782 km (0.114 R)
• M46: 13,985,307 km (0.057 R)
• M47: 14,247,552 km (0.059 R)
• M48: 14,610,626 km (0.041 R)
• M49: 14,710,258 km (0.119 R)
• M50: 15,245,220 km (0.095 R)
• M51: 15,481,285 km (0.115 R)
• M52: 15,786,615 km (0.116 R)
• M53: 16,299,885 km (0.106 R)
• M54: 16,888,104 km (0.108 R)
• M55: 16,957,816 km (0.074 R)
• M56: 17,167,403 km (0.109 R)
• M57: 17,412,893 km (0.077 R)
• M58: 17,695,035 km (0.098 R)
• M59: 18,014,276 km (0.089 R)
• M60: 18,228,201 km (0.091 R)
• M61: 18,406,971 km (0.044 R)
• M62: 18,550,435 km (0.047 R)
• M63: 19,785,366 km (0.107 R)
• M64: 20,227,427 km (0.108 R)
• M65: 20,412,629 km (0.099 R)
• M66: 20,822,079 km (0.112 R)
• M67: 21,084,025 km (0.092 R)
• M68: 21,234,221 km (0.063 R)
• M69: 21,309,469 km (0.102 R)
• M70: 21,497,812 km (0.062 R)
• M71: 22,486,654 km (0.109 R)
• M72: 22,678,588 km (0.071 R)
• M73: 24,547,814 km (0.078 R)
• M74: 24,745,433 km (0.118 R)
• M75: 25,540,994 km (0.093 R)
• M76: 25,781,248 km (0.062 R)
• M77: 26,749,894 km (0.082 R)
• M78: 26,831,276 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.1

Radius: 4.6

Gravity: 19.19 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.77 AU - 9.11 AU

Year: 13313 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 45,975,647 km

• M1: 69,563 km (0.089 R)
• M2: 297,550 km (0.093 R)
• M3: 491,130 km (0.069 R)
• M4: 521,797 km (0.035 R)
• M5: 754,721 km (0.111 R)
• M6: 939,325 km (0.117 R)
• M7: 1,242,111 km (0.071 R)
• M8: 1,689,558 km (0.1 R)
• M9: 1,881,492 km (0.061 R)
• M10: 2,552,439 km (0.067 R)
• M11: 2,661,645 km (0.119 R)
• M12: 2,828,447 km (0.103 R)
• M13: 3,230,865 km (0.093 R)
• M14: 3,589,900 km (0.084 R)
• M15: 3,681,604 km (0.119 R)
• M16: 4,216,117 km (0.1 R)
• M17: 4,313,056 km (0.094 R)
• M18: 4,443,356 km (0.107 R)
• M19: 5,148,261 km (0.061 R)
• M20: 5,779,863 km (0.052 R)
• M21: 6,104,790 km (0.079 R)
• M22: 6,696,898 km (0.067 R)
• M23: 6,961,836 km (0.035 R)
• M24: 7,114,576 km (0.105 R)
• M25: 7,384,899 km (0.093 R)
• M26: 7,501,585 km (0.089 R)
• M27: 7,855,833 km (0.058 R)
• M28: 8,134,983 km (0.07 R)
• M29: 8,867,863 km (0.064 R)
• M30: 9,664,172 km (0.098 R)
• M31: 10,006,153 km (0.025 R)
• M32: 11,234,351 km (0.032 R)
• M33: 12,324,321 km (0.114 R)
• M34: 12,416,623 km (0.104 R)
• M35: 12,975,671 km (0.074 R)
• M36: 13,022,495 km (0.092 R)
• M37: 13,352,807 km (0.061 R)
• M38: 13,781,405 km (0.092 R)
• M39: 15,440,894 km (0.117 R)
• M40: 15,490,710 km (0.066 R)
• M41: 15,840,470 km (0.1 R)
• M42: 17,059,393 km (0.085 R)
• M43: 17,420,672 km (0.059 R)
• M44: 17,472,433 km (0.114 R)
• M45: 17,576,254 km (0.046 R)
• M46: 18,360,895 km (0.045 R)
• M47: 18,996,985 km (0.116 R)
• M48: 20,235,954 km (0.084 R)
• M49: 20,454,218 km (0.119 R)
• M50: 20,727,982 km (0.114 R)
• M51: 21,113,346 km (0.1 R)
• M52: 21,500,954 km (0.102 R)
• M53: 21,890,956 km (0.076 R)
• M54: 22,678,140 km (0.114 R)
• M55: 23,417,303 km (0.12 R)
• M56: 24,627,849 km (0.045 R)
• M57: 24,686,042 km (0.063 R)
• M58: 25,270,072 km (0.115 R)
• M59: 25,387,507 km (0.09 R)
• M60: 27,229,655 km (0.079 R)
• M61: 27,289,793 km (0.103 R)
• M62: 27,893,570 km (0.12 R)
• M63: 28,075,481 km (0.092 R)
• M64: 28,562,871 km (0.089 R)
• M65: 29,360,527 km (0.103 R)
• M66: 30,977,979 km (0.074 R)
• M67: 33,586,517 km (0.072 R)
• M68: 34,233,378 km (0.118 R)
• M69: 34,428,304 km (0.098 R)
• M70: 34,753,829 km (0.059 R)
• M71: 35,211,449 km (0.107 R)
• M72: 37,194,668 km (0.076 R)
• M73: 37,796,800 km (0.12 R)
• M74: 38,672,097 km (0.109 R)
• M75: 39,146,172 km (0.079 R)
• M76: 39,895,059 km (0.114 R)
• M77: 40,168,524 km (0.053 R)
• M78: 40,786,064 km (0.085 R)
• M79: 42,378,683 km (0.111 R)
• M80: 42,867,419 km (0.038 R)
• M81: 43,639,195 km (0.099 R)
• M82: 44,628,037 km (0.095 R)
• M83: 44,911,974 km (0.079 R)
• M84: 44,983,033 km (0.092 R)
• M85: 45,481,493 km (0.074 R)
• M86: 45,624,359 km (0.086 R)
• M87: 45,981,898 km (0.086 R)
• M88: 46,915,837 km (0.041 R)
• M89: 47,711,099 km (0.052 R)
• M90: 48,074,024 km (0.082 R)
• M91: 48,219,433 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.5

Radius: 3.9

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.09 AU - 11.01 AU

Year: 17860 Days

Day: 20.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 45,975,647 km

• M1: 64,776 km (0.11 R)
• M2: 116,537 km (0.076 R)
• M3: 141,520 km (0.069 R)
• M4: 263,741 km (0.074 R)
• M5: 624,870 km (0.107 R)
• M6: 706,700 km (0.07 R)
• M7: 792,121 km (0.099 R)
• M8: 880,982 km (0.068 R)
• M9: 1,048,980 km (0.098 R)
• M10: 1,522,757 km (0.086 R)
• M11: 1,816,268 km (0.109 R)
• M12: 1,933,852 km (0.099 R)
• M13: 2,102,598 km (0.096 R)
• M14: 2,351,978 km (0.07 R)
• M15: 2,454,303 km (0.094 R)
• M16: 2,506,064 km (0.064 R)
• M17: 2,663,440 km (0.066 R)
• M18: 2,851,186 km (0.085 R)
• M19: 3,126,745 km (0.117 R)
• M20: 3,410,682 km (0.04 R)
• M21: 3,732,616 km (0.074 R)
• M22: 4,125,610 km (0.1 R)
• M23: 4,218,062 km (0.091 R)
• M24: 4,787,730 km (0.1 R)
• M25: 5,147,513 km (0.043 R)
• M26: 5,617,998 km (0.067 R)
• M27: 6,032,235 km (0.075 R)
• M28: 6,067,091 km (0.076 R)
• M29: 6,172,408 km (0.082 R)
• M30: 6,207,713 km (0.048 R)
• M31: 6,278,323 km (0.1 R)
• M32: 6,420,441 km (0.043 R)
• M33: 7,220,940 km (0.089 R)
• M34: 7,632,932 km (0.047 R)
• M35: 7,746,477 km (0.107 R)
• M36: 7,860,770 km (0.083 R)
• M37: 8,834,203 km (0.109 R)
• M38: 9,274,470 km (0.046 R)
• M39: 9,680,777 km (0.063 R)
• M40: 10,679,642 km (0.106 R)
• M41: 11,320,370 km (0.12 R)
• M42: 11,450,071 km (0.104 R)
• M43: 11,623,755 km (0.089 R)
• M44: 12,371,295 km (0.104 R)
• M45: 12,863,323 km (0.101 R)
• M46: 13,225,050 km (0.084 R)
• M47: 13,958,678 km (0.066 R)
• M48: 14,144,179 km (0.068 R)
• M49: 15,131,226 km (0.086 R)
• M50: 15,898,065 km (0.105 R)
• M51: 15,946,385 km (0.091 R)
• M52: 16,286,271 km (0.101 R)
• M53: 17,170,844 km (0.088 R)
• M54: 17,220,510 km (0.072 R)
• M55: 18,020,709 km (0.106 R)
• M56: 18,781,713 km (0.102 R)
• M57: 18,884,038 km (0.08 R)
• M58: 19,037,825 km (0.1 R)
• M59: 19,140,599 km (0.083 R)
• M60: 19,916,862 km (0.051 R)
• M61: 20,703,597 km (0.093 R)
• M62: 20,914,979 km (0.079 R)
• M63: 21,821,841 km (0.069 R)
• M64: 22,578,208 km (0.075 R)
• M65: 22,850,327 km (0.093 R)
• M66: 23,014,286 km (0.119 R)
• M67: 25,405,159 km (0.081 R)
• M68: 25,574,953 km (0.03 R)
• M69: 27,757,287 km (0.117 R)
• M70: 27,932,017 km (0.114 R)
• M71: 28,165,689 km (0.078 R)
• M72: 28,634,977 km (0.119 R)
• M73: 28,693,769 km (0.106 R)
• M74: 31,747,511 km (0.045 R)
• M75: 31,991,355 km (0.083 R)
• M76: 33,343,570 km (0.074 R)
• M77: 33,591,454 km (0.072 R)
• M78: 34,526,291 km (0.102 R)
• M79: 34,839,848 km (0.058 R)
• M80: 35,028,341 km (0.112 R)
• M81: 35,786,055 km (0.064 R)
• M82: 37,189,133 km (0.085 R)
• M83: 37,897,329 km (0.108 R)
• M84: 39,000,614 km (0.073 R)
• M85: 41,971,627 km (0.112 R)
• M86: 42,910,653 km (0.028 R)
• M87: 43,450,402 km (0.105 R)
• M88: 43,856,710 km (0.111 R)
• M89: 44,264,215 km (0.065 R)
• M90: 44,468,416 km (0.086 R)
• M91: 45,562,874 km (0.092 R)
• M92: 45,631,689 km (0.08 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 11,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit