🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.52 AU - 0.52 AU

Year: 242 Days

Day: 18.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,695,061 km

• M1: 559,795 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.51 AU - 0.61 AU

Year: 271 Days

Day: 46.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.7

Radius: 11.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.93 AU - 1.01 AU

Year: 617 Days

Day: 8.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 66,695,061 km

• M1: 158,723 km (0.06 R)
• M2: 289,621 km (0.047 R)
• M3: 370,704 km (0.048 R)
• M4: 467,045 km (0.118 R)
• M5: 578,645 km (0.086 R)
• M6: 675,584 km (0.097 R)
• M7: 757,564 km (0.069 R)
• M8: 882,179 km (0.094 R)
• M9: 1,234,781 km (0.028 R)
• M10: 1,424,172 km (0.038 R)
• M11: 1,623,436 km (0.095 R)
• M12: 1,730,099 km (0.045 R)
• M13: 1,876,256 km (0.079 R)
• M14: 1,988,604 km (0.026 R)
• M15: 2,165,429 km (0.112 R)
• M16: 2,347,490 km (0.106 R)
• M17: 2,526,409 km (0.114 R)
• M18: 2,617,664 km (0.035 R)
• M19: 2,950,220 km (0.086 R)
• M20: 3,046,561 km (0.071 R)
• M21: 3,287,413 km (0.063 R)
• M22: 3,387,345 km (0.043 R)
• M23: 3,488,323 km (0.118 R)
• M24: 3,599,624 km (0.117 R)
• M25: 3,731,120 km (0.096 R)
• M26: 3,835,540 km (0.117 R)
• M27: 4,008,475 km (0.115 R)
• M28: 4,144,759 km (0.045 R)
• M29: 4,233,321 km (0.1 R)
• M30: 4,312,458 km (0.118 R)
• M31: 4,412,240 km (0.086 R)
• M32: 4,736,418 km (0.093 R)
• M33: 4,829,019 km (0.053 R)
• M34: 4,922,219 km (0.086 R)
• M35: 5,058,054 km (0.067 R)
• M36: 5,216,179 km (0.077 R)
• M37: 5,461,968 km (0.085 R)
• M38: 5,537,515 km (0.098 R)
• M39: 5,722,567 km (0.076 R)
• M40: 5,832,223 km (0.064 R)
• M41: 5,920,635 km (0.039 R)
• M42: 6,368,980 km (0.089 R)
• M43: 6,608,935 km (0.095 R)
• M44: 6,747,313 km (0.109 R)
• M45: 6,921,744 km (0.116 R)
• M46: 7,003,574 km (0.084 R)
• M47: 7,192,067 km (0.119 R)
• M48: 7,382,206 km (0.083 R)
• M49: 7,489,767 km (0.106 R)
• M50: 7,610,044 km (0.064 R)
• M51: 7,791,655 km (0.066 R)
• M52: 7,999,297 km (0.085 R)
• M53: 8,122,267 km (0.078 R)
• M54: 8,208,734 km (0.09 R)
• M55: 8,307,918 km (0.102 R)
• M56: 8,407,400 km (0.073 R)
• M57: 8,482,349 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.1

Radius: 11

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.08 AU - 1.58 AU

Year: 990 Days

Day: 9.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 66,695,061 km

• M1: 155,133 km (0.084 R)
• M2: 240,703 km (0.045 R)
• M3: 314,904 km (0.086 R)
• M4: 388,655 km (0.09 R)
• M5: 569,669 km (0.09 R)
• M6: 645,664 km (0.078 R)
• M7: 780,751 km (0.097 R)
• M8: 1,005,597 km (0.088 R)
• M9: 1,087,427 km (0.079 R)
• M10: 1,211,444 km (0.082 R)
• M11: 1,481,468 km (0.052 R)
• M12: 1,598,004 km (0.054 R)
• M13: 1,793,978 km (0.098 R)
• M14: 2,062,356 km (0.098 R)
• M15: 2,176,799 km (0.104 R)
• M16: 2,276,580 km (0.106 R)
• M17: 2,377,858 km (0.042 R)
• M18: 2,498,135 km (0.088 R)
• M19: 2,620,356 km (0.118 R)
• M20: 2,744,672 km (0.114 R)
• M21: 2,843,856 km (0.107 R)
• M22: 3,008,563 km (0.055 R)
• M23: 3,261,682 km (0.071 R)
• M24: 3,434,468 km (0.109 R)
• M25: 3,659,613 km (0.04 R)
• M26: 3,748,923 km (0.086 R)
• M27: 3,819,084 km (0.099 R)
• M28: 3,980,949 km (0.094 R)
• M29: 4,280,145 km (0.084 R)
• M30: 4,353,448 km (0.093 R)
• M31: 4,480,157 km (0.052 R)
• M32: 4,586,671 km (0.118 R)
• M33: 4,999,262 km (0.053 R)
• M34: 5,087,674 km (0.087 R)
• M35: 5,367,272 km (0.117 R)
• M36: 5,503,406 km (0.112 R)
• M37: 5,675,145 km (0.103 R)
• M38: 5,941,878 km (0.079 R)
• M39: 6,012,039 km (0.047 R)
• M40: 6,141,591 km (0.115 R)
• M41: 6,236,436 km (0.067 R)
• M42: 6,307,944 km (0.087 R)
• M43: 6,439,590 km (0.092 R)
• M44: 6,705,725 km (0.04 R)
• M45: 7,049,650 km (0.055 R)
• M46: 7,211,365 km (0.097 R)
• M47: 7,298,880 km (0.113 R)
• M48: 7,399,410 km (0.068 R)
• M49: 7,563,818 km (0.103 R)
• M50: 7,742,139 km (0.094 R)
• M51: 8,077,088 km (0.103 R)
• M52: 8,168,044 km (0.096 R)
• M53: 8,272,463 km (0.074 R)
• M54: 8,364,167 km (0.041 R)
• M55: 8,561,935 km (0.059 R)
• M56: 8,654,686 km (0.026 R)
• M57: 8,734,571 km (0.078 R)
• M58: 8,921,718 km (0.061 R)
• M59: 9,069,670 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 12.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.12 AU - 2.42 AU

Year: 2208 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 66,695,061 km

• M1: 157,078 km (0.073 R)
• M2: 269,575 km (0.113 R)
• M3: 368,908 km (0.039 R)
• M4: 526,435 km (0.093 R)
• M5: 615,296 km (0.082 R)
• M6: 743,501 km (0.067 R)
• M7: 947,254 km (0.083 R)
• M8: 1,029,533 km (0.111 R)
• M9: 1,122,433 km (0.111 R)
• M10: 1,292,526 km (0.07 R)
• M11: 1,419,385 km (0.102 R)
• M12: 1,559,558 km (0.092 R)
• M13: 1,807,142 km (0.036 R)
• M14: 2,087,489 km (0.114 R)
• M15: 2,238,134 km (0.039 R)
• M16: 2,455,350 km (0.086 R)
• M17: 2,636,363 km (0.1 R)
• M18: 2,844,005 km (0.064 R)
• M19: 3,079,921 km (0.097 R)
• M20: 3,229,220 km (0.075 R)
• M21: 3,357,425 km (0.106 R)
• M22: 3,451,821 km (0.08 R)
• M23: 3,631,189 km (0.078 R)
• M24: 3,716,011 km (0.079 R)
• M25: 3,838,233 km (0.115 R)
• M26: 3,974,367 km (0.045 R)
• M27: 4,061,881 km (0.12 R)
• M28: 4,353,896 km (0.075 R)
• M29: 4,574,104 km (0.09 R)
• M30: 4,931,643 km (0.065 R)
• M31: 5,039,354 km (0.044 R)
• M32: 5,202,416 km (0.117 R)
• M33: 5,298,457 km (0.112 R)
• M34: 5,575,812 km (0.091 R)
• M35: 5,886,527 km (0.115 R)
• M36: 6,451,259 km (0.111 R)
• M37: 6,554,481 km (0.076 R)
• M38: 6,867,440 km (0.115 R)
• M39: 7,415,566 km (0.078 R)
• M40: 7,695,015 km (0.117 R)
• M41: 7,993,613 km (0.103 R)
• M42: 8,120,472 km (0.087 R)
• M43: 8,248,079 km (0.101 R)
• M44: 8,360,277 km (0.111 R)
• M45: 8,896,137 km (0.101 R)
• M46: 9,093,755 km (0.114 R)
• M47: 9,209,694 km (0.047 R)
• M48: 9,443,066 km (0.054 R)
• M49: 9,678,533 km (0.069 R)
• M50: 9,796,865 km (0.114 R)
• M51: 10,120,745 km (0.077 R)
• M52: 10,814,131 km (0.089 R)
• M53: 10,919,597 km (0.062 R)
• M54: 11,095,824 km (0.108 R)
• M55: 11,273,097 km (0.112 R)
• M56: 11,505,123 km (0.083 R)
• M57: 11,937,312 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.3

Radius: 7.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.08 AU - 10.64 AU

Year: 17028 Days

Day: 18.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 66,695,061 km

• M1: 227,090 km (0.05 R)
• M2: 290,070 km (0.097 R)
• M3: 348,264 km (0.078 R)
• M4: 610,210 km (0.042 R)
• M5: 891,005 km (0.105 R)
• M6: 1,074,262 km (0.082 R)
• M7: 1,330,374 km (0.092 R)
• M8: 1,413,101 km (0.119 R)
• M9: 1,540,409 km (0.101 R)
• M10: 2,087,189 km (0.11 R)
• M11: 2,159,595 km (0.103 R)
• M12: 2,559,620 km (0.096 R)
• M13: 3,951,927 km (0.117 R)
• M14: 4,346,566 km (0.085 R)
• M15: 4,785,785 km (0.115 R)
• M16: 5,638,344 km (0.088 R)
• M17: 5,978,679 km (0.106 R)
• M18: 6,047,644 km (0.057 R)
• M19: 6,396,057 km (0.113 R)
• M20: 6,858,614 km (0.113 R)
• M21: 8,310,311 km (0.091 R)
• M22: 8,932,638 km (0.077 R)
• M23: 9,289,130 km (0.104 R)
• M24: 9,853,114 km (0.118 R)
• M25: 11,014,143 km (0.061 R)
• M26: 11,225,974 km (0.116 R)
• M27: 11,311,095 km (0.1 R)
• M28: 11,439,151 km (0.067 R)
• M29: 11,696,758 km (0.107 R)
• M30: 12,086,760 km (0.027 R)
• M31: 12,481,100 km (0.1 R)
• M32: 12,701,906 km (0.089 R)
• M33: 12,968,789 km (0.069 R)
• M34: 13,462,612 km (0.088 R)
• M35: 13,598,446 km (0.118 R)
• M36: 13,916,940 km (0.091 R)
• M37: 14,008,345 km (0.032 R)
• M38: 15,262,723 km (0.077 R)
• M39: 15,357,119 km (0.102 R)
• M40: 15,451,665 km (0.116 R)
• M41: 15,546,360 km (0.086 R)
• M42: 16,022,979 km (0.108 R)
• M43: 16,214,913 km (0.107 R)
• M44: 16,941,510 km (0.068 R)
• M45: 17,137,184 km (0.111 R)
• M46: 17,877,245 km (0.096 R)
• M47: 18,076,360 km (0.041 R)
• M48: 18,376,303 km (0.083 R)
• M49: 19,849,693 km (0.114 R)
• M50: 20,418,464 km (0.064 R)
• M51: 20,992,471 km (0.084 R)
• M52: 21,519,055 km (0.103 R)
• M53: 22,692,651 km (0.097 R)
• M54: 22,908,221 km (0.101 R)
• M55: 24,934,674 km (0.03 R)
• M56: 25,045,825 km (0.043 R)
• M57: 25,101,476 km (0.113 R)
• M58: 25,212,776 km (0.028 R)
• M59: 25,772,422 km (0.079 R)
• M60: 26,053,666 km (0.057 R)
• M61: 26,619,296 km (0.094 R)
• M62: 26,732,990 km (0.071 R)
• M63: 28,863,862 km (0.098 R)
• M64: 28,922,205 km (0.085 R)
• M65: 29,097,384 km (0.078 R)
• M66: 29,331,655 km (0.036 R)
• M67: 30,750,291 km (0.096 R)
• M68: 31,108,428 km (0.087 R)
• M69: 31,287,946 km (0.089 R)
• M70: 31,588,039 km (0.099 R)
• M71: 31,708,465 km (0.067 R)
• M72: 31,949,468 km (0.049 R)
• M73: 32,191,068 km (0.081 R)
• M74: 32,372,830 km (0.09 R)
• M75: 34,889,215 km (0.057 R)
• M76: 35,013,681 km (0.101 R)
• M77: 35,637,654 km (0.108 R)
• M78: 36,580,569 km (0.088 R)
• M79: 36,643,699 km (0.112 R)
• M80: 38,812,270 km (0.085 R)
• M81: 39,977,189 km (0.069 R)
• M82: 40,172,414 km (0.119 R)
• M83: 40,563,911 km (0.114 R)
• M84: 41,482,293 km (0.081 R)
• M85: 41,614,088 km (0.104 R)
• M86: 42,274,862 km (0.093 R)
• M87: 42,673,092 km (0.082 R)
• M88: 42,872,655 km (0.103 R)
• M89: 44,210,958 km (0.102 R)
• M90: 44,345,596 km (0.068 R)
• M91: 44,682,640 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.1

Radius: 3.4

Gravity: 36.08 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.92 AU - 12.48 AU

Year: 21034 Days

Day: 15.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 66,695,061 km

• M1: 1,071,270 km (0.044 R)
• M2: 1,578,856 km (0.09 R)
• M3: 1,723,218 km (0.087 R)
• M4: 1,782,309 km (0.11 R)
• M5: 1,871,918 km (0.095 R)
• M6: 2,213,600 km (0.105 R)
• M7: 2,778,481 km (0.106 R)
• M8: 2,987,918 km (0.113 R)
• M9: 3,094,582 km (0.118 R)
• M10: 3,533,801 km (0.084 R)
• M11: 4,070,408 km (0.107 R)
• M12: 4,109,603 km (0.092 R)
• M13: 4,631,999 km (0.102 R)
• M14: 5,005,694 km (0.104 R)
• M15: 5,518,815 km (0.076 R)
• M16: 6,410,718 km (0.101 R)
• M17: 7,014,195 km (0.105 R)
• M18: 7,346,452 km (0.12 R)
• M19: 7,394,324 km (0.076 R)
• M20: 7,635,326 km (0.042 R)
• M21: 7,977,157 km (0.032 R)
• M22: 8,980,959 km (0.094 R)
• M23: 9,393,400 km (0.07 R)
• M24: 9,497,520 km (0.101 R)
• M25: 10,023,656 km (0.032 R)
• M26: 12,448,637 km (0.076 R)
• M27: 12,620,226 km (0.114 R)
• M28: 12,908,052 km (0.113 R)
• M29: 13,902,729 km (0.101 R)
• M30: 14,259,669 km (0.072 R)
• M31: 17,094,249 km (0.078 R)
• M32: 18,444,370 km (0.085 R)
• M33: 18,509,445 km (0.105 R)
• M34: 18,901,990 km (0.102 R)
• M35: 19,628,587 km (0.1 R)
• M36: 20,296,990 km (0.082 R)
• M37: 20,701,653 km (0.064 R)
• M38: 20,904,956 km (0.115 R)
• M39: 21,724,752 km (0.086 R)
• M40: 22,069,575 km (0.058 R)
• M41: 23,254,989 km (0.12 R)
• M42: 23,607,591 km (0.053 R)
• M43: 26,417,787 km (0.118 R)
• M44: 28,650,236 km (0.06 R)
• M45: 30,710,498 km (0.098 R)
• M46: 33,451,131 km (0.075 R)
• M47: 34,168,453 km (0.101 R)
• M48: 34,248,488 km (0.12 R)
• M49: 35,780,669 km (0.083 R)
• M50: 37,334,841 km (0.1 R)
• M51: 41,188,034 km (0.086 R)
• M52: 41,614,388 km (0.114 R)
• M53: 44,727,220 km (0.098 R)
• M54: 46,046,225 km (0.112 R)
• M55: 46,134,637 km (0.091 R)
• M56: 46,577,297 km (0.12 R)
• M57: 47,199,624 km (0.106 R)
• M58: 47,377,945 km (0.115 R)
• M59: 47,645,725 km (0.093 R)
• M60: 47,824,644 km (0.088 R)
• M61: 48,003,713 km (0.113 R)
• M62: 48,722,231 km (0.109 R)
• M63: 49,806,666 km (0.103 R)
• M64: 50,351,801 km (0.092 R)
• M65: 51,539,758 km (0.12 R)
• M66: 52,644,687 km (0.096 R)
• M67: 53,199,995 km (0.057 R)
• M68: 55,628,716 km (0.068 R)
• M69: 57,711,867 km (0.107 R)
• M70: 59,916,939 km (0.054 R)
• M71: 60,206,561 km (0.092 R)
• M72: 61,954,163 km (0.065 R)
• M73: 64,705,567 km (0.115 R)
• M74: 66,595,138 km (0.12 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: 240 - 15,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit