🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.75 AU - 1.11 AU

Year: 333 Days

Day: 23.9 Hours

Environment

Temp: 21 °C

Axial Tilt: 49.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.03 AU - 1.49 AU

Year: 525 Days

Day: 17.7 Hours

Environment

Temp: -21 °C

Axial Tilt: 49.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.22 AU - 1.66 AU

Year: 641 Days

Day: 39.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,447,628 km

• M1: 541,544 km (0.035 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.17 AU - 1.77 AU

Year: 661 Days

Day: 25.4 Hours

Environment

Temp: -33 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.28 AU - 1.72 AU

Year: 681 Days

Day: 21.4 Hours

Environment

Temp: -42 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.5 AU - 2.32 AU

Year: 979 Days

Day: 25.5 Hours

Environment

Temp: -75 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.9 AU - 3.9 AU

Year: 2325 Days

Day: 39.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,447,628 km

• M1: 2,027,799 km (0.042 R)

Asteroid Belt

Center: 5.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417

Radius: 10.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.58 AU - 8.68 AU

Year: 8597 Days

Day: 6.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 60,447,628 km

• M1: 163,062 km (0.036 R)
• M2: 259,552 km (0.113 R)
• M3: 553,363 km (0.11 R)
• M4: 766,539 km (0.105 R)
• M5: 898,634 km (0.103 R)
• M6: 975,528 km (0.102 R)
• M7: 1,503,608 km (0.119 R)
• M8: 1,577,659 km (0.097 R)
• M9: 2,496,040 km (0.096 R)
• M10: 2,607,042 km (0.084 R)
• M11: 2,719,689 km (0.073 R)
• M12: 2,788,056 km (0.082 R)
• M13: 3,454,364 km (0.058 R)
• M14: 3,528,715 km (0.102 R)
• M15: 3,653,778 km (0.062 R)
• M16: 3,908,244 km (0.053 R)
• M17: 4,011,766 km (0.069 R)
• M18: 4,381,123 km (0.104 R)
• M19: 4,542,839 km (0.082 R)
• M20: 4,651,746 km (0.114 R)
• M21: 5,039,803 km (0.034 R)
• M22: 5,699,978 km (0.097 R)
• M23: 5,817,712 km (0.084 R)
• M24: 5,965,813 km (0.073 R)
• M25: 6,055,423 km (0.118 R)
• M26: 6,326,644 km (0.11 R)
• M27: 6,725,621 km (0.074 R)
• M28: 7,101,112 km (0.092 R)
• M29: 8,168,941 km (0.084 R)
• M30: 8,335,145 km (0.063 R)
• M31: 8,637,033 km (0.097 R)
• M32: 9,424,965 km (0.082 R)
• M33: 9,669,408 km (0.088 R)
• M34: 9,774,725 km (0.038 R)
• M35: 9,951,250 km (0.11 R)
• M36: 10,022,160 km (0.044 R)
• M37: 10,379,250 km (0.109 R)
• M38: 10,559,366 km (0.045 R)
• M39: 10,886,087 km (0.101 R)
• M40: 10,995,743 km (0.043 R)
• M41: 11,326,952 km (0.048 R)
• M42: 11,698,853 km (0.095 R)
• M43: 11,811,350 km (0.101 R)
• M44: 11,923,997 km (0.08 R)
• M45: 12,531,215 km (0.078 R)
• M46: 12,877,235 km (0.109 R)
• M47: 14,252,638 km (0.076 R)
• M48: 16,380,967 km (0.119 R)
• M49: 16,464,891 km (0.091 R)
• M50: 16,632,890 km (0.083 R)
• M51: 17,225,746 km (0.111 R)
• M52: 17,439,222 km (0.056 R)
• M53: 17,696,381 km (0.107 R)
• M54: 18,432,103 km (0.115 R)
• M55: 18,913,509 km (0.097 R)
• M56: 19,621,107 km (0.034 R)
• M57: 20,067,657 km (0.098 R)
• M58: 21,336,097 km (0.074 R)
• M59: 21,565,431 km (0.087 R)
• M60: 21,703,360 km (0.071 R)
• M61: 21,980,116 km (0.065 R)
• M62: 22,165,169 km (0.12 R)
• M63: 22,957,888 km (0.118 R)
• M64: 23,523,068 km (0.071 R)
• M65: 24,188,181 km (0.095 R)
• M66: 24,379,367 km (0.083 R)
• M67: 24,859,426 km (0.095 R)
• M68: 25,052,407 km (0.074 R)
• M69: 25,780,351 km (0.093 R)
• M70: 25,975,725 km (0.11 R)
• M71: 28,156,114 km (0.069 R)
• M72: 29,166,648 km (0.077 R)
• M73: 30,086,077 km (0.12 R)
• M74: 31,796,579 km (0.059 R)
• M75: 31,901,297 km (0.081 R)
• M76: 32,795,593 km (0.108 R)
• M77: 33,166,297 km (0.058 R)
• M78: 34,018,855 km (0.102 R)
• M79: 34,824,589 km (0.109 R)
• M80: 35,040,459 km (0.095 R)
• M81: 35,854,122 km (0.031 R)
• M82: 36,345,401 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 9.3

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.51 AU - 11.13 AU

Year: 13199 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 60,447,628 km

• M1: 117,285 km (0.063 R)
• M2: 305,180 km (0.059 R)
• M3: 393,891 km (0.038 R)
• M4: 554,260 km (0.115 R)
• M5: 685,457 km (0.117 R)
• M6: 772,972 km (0.057 R)
• M7: 921,523 km (0.084 R)
• M8: 999,463 km (0.069 R)
• M9: 1,120,787 km (0.092 R)
• M10: 1,949,709 km (0.108 R)
• M11: 2,155,257 km (0.074 R)
• M12: 2,559,769 km (0.071 R)
• M13: 2,699,942 km (0.093 R)
• M14: 3,593,640 km (0.106 R)
• M15: 3,751,017 km (0.11 R)
• M16: 3,878,624 km (0.12 R)
• M17: 4,269,972 km (0.104 R)
• M18: 4,845,924 km (0.119 R)
• M19: 5,847,482 km (0.057 R)
• M20: 6,032,983 km (0.065 R)
• M21: 6,601,006 km (0.071 R)
• M22: 7,545,417 km (0.097 R)
• M23: 7,869,596 km (0.098 R)
• M24: 7,951,426 km (0.034 R)
• M25: 8,489,829 km (0.102 R)
• M26: 9,297,807 km (0.11 R)
• M27: 10,174,750 km (0.043 R)
• M28: 10,308,490 km (0.035 R)
• M29: 10,577,916 km (0.096 R)
• M30: 11,353,880 km (0.095 R)
• M31: 11,772,006 km (0.111 R)
• M32: 12,528,074 km (0.111 R)
• M33: 12,815,601 km (0.036 R)
• M34: 13,153,842 km (0.077 R)
• M35: 13,348,319 km (0.109 R)
• M36: 14,636,356 km (0.104 R)
• M37: 15,193,160 km (0.083 R)
• M38: 15,963,738 km (0.091 R)
• M39: 17,703,113 km (0.081 R)
• M40: 18,841,104 km (0.116 R)
• M41: 19,060,564 km (0.116 R)
• M42: 19,946,782 km (0.09 R)
• M43: 20,394,977 km (0.096 R)
• M44: 20,676,670 km (0.088 R)
• M45: 20,903,161 km (0.047 R)
• M46: 22,278,414 km (0.1 R)
• M47: 22,685,171 km (0.053 R)
• M48: 23,035,679 km (0.109 R)
• M49: 23,152,814 km (0.032 R)
• M50: 23,742,080 km (0.037 R)
• M51: 23,979,043 km (0.088 R)
• M52: 24,157,363 km (0.045 R)
• M53: 25,115,837 km (0.065 R)
• M54: 25,236,413 km (0.095 R)
• M55: 25,721,110 km (0.088 R)
• M56: 27,877,414 km (0.081 R)
• M57: 29,325,671 km (0.079 R)
• M58: 29,389,100 km (0.119 R)
• M59: 30,669,209 km (0.05 R)
• M60: 30,733,686 km (0.106 R)
• M61: 31,186,369 km (0.036 R)
• M62: 31,380,996 km (0.075 R)
• M63: 31,641,146 km (0.114 R)
• M64: 32,754,903 km (0.115 R)
• M65: 33,349,704 km (0.102 R)
• M66: 33,482,397 km (0.077 R)
• M67: 33,548,818 km (0.116 R)
• M68: 35,155,649 km (0.11 R)
• M69: 35,696,745 km (0.101 R)
• M70: 36,104,399 km (0.052 R)
• M71: 36,240,683 km (0.11 R)
• M72: 37,199,156 km (0.083 R)
• M73: 37,543,381 km (0.12 R)
• M74: 37,750,574 km (0.11 R)
• M75: 38,096,594 km (0.053 R)
• M76: 38,304,684 km (0.057 R)
• M77: 39,210,799 km (0.077 R)
• M78: 39,561,307 km (0.114 R)
• M79: 39,912,712 km (0.087 R)
• M80: 40,194,554 km (0.12 R)
• M81: 42,617,441 km (0.11 R)
• M82: 44,210,360 km (0.054 R)
• M83: 44,501,926 km (0.108 R)
• M84: 44,575,079 km (0.112 R)
• M85: 48,201,780 km (0.074 R)
• M86: 48,577,121 km (0.101 R)
• M87: 49,936,517 km (0.08 R)
• M88: 50,088,359 km (0.109 R)
• M89: 50,773,368 km (0.094 R)
• M90: 50,926,107 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.8

Radius: 7.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 16.01 AU - 17.27 AU

Year: 25173 Days

Day: 19.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 60,447,628 km

• M1: 157,377 km (0.109 R)
• M2: 293,960 km (0.105 R)
• M3: 635,193 km (0.097 R)
• M4: 711,936 km (0.073 R)
• M5: 1,006,195 km (0.099 R)
• M6: 1,167,163 km (0.043 R)
• M7: 1,361,490 km (0.096 R)
• M8: 1,892,114 km (0.032 R)
• M9: 2,179,791 km (0.049 R)
• M10: 2,359,158 km (0.12 R)
• M11: 2,419,895 km (0.102 R)
• M12: 2,893,223 km (0.082 R)
• M13: 3,815,494 km (0.12 R)
• M14: 4,178,717 km (0.116 R)
• M15: 5,698,632 km (0.115 R)
• M16: 5,822,050 km (0.083 R)
• M17: 6,113,467 km (0.118 R)
• M18: 6,239,877 km (0.082 R)
• M19: 7,640,861 km (0.105 R)
• M20: 7,959,953 km (0.102 R)
• M21: 8,144,108 km (0.086 R)
• M22: 8,658,276 km (0.092 R)
• M23: 9,473,285 km (0.088 R)
• M24: 9,717,578 km (0.091 R)
• M25: 10,970,461 km (0.088 R)
• M26: 11,641,856 km (0.064 R)
• M27: 12,754,415 km (0.092 R)
• M28: 12,916,131 km (0.117 R)
• M29: 12,970,135 km (0.064 R)
• M30: 15,882,806 km (0.094 R)
• M31: 15,940,700 km (0.103 R)
• M32: 15,998,744 km (0.1 R)
• M33: 16,877,183 km (0.117 R)
• M34: 17,054,756 km (0.084 R)
• M35: 17,232,927 km (0.107 R)
• M36: 17,411,696 km (0.085 R)
• M37: 17,531,225 km (0.11 R)
• M38: 17,711,042 km (0.091 R)
• M39: 18,314,968 km (0.092 R)
• M40: 20,860,675 km (0.115 R)
• M41: 21,819,448 km (0.062 R)
• M42: 22,336,608 km (0.108 R)
• M43: 22,596,758 km (0.029 R)
• M44: 22,792,432 km (0.074 R)
• M45: 23,185,576 km (0.057 R)
• M46: 23,912,322 km (0.054 R)
• M47: 24,111,736 km (0.096 R)
• M48: 25,320,188 km (0.115 R)
• M49: 27,100,253 km (0.062 R)
• M50: 28,637,670 km (0.047 R)
• M51: 29,845,074 km (0.083 R)
• M52: 30,275,168 km (0.107 R)
• M53: 30,707,357 km (0.081 R)
• M54: 32,529,758 km (0.082 R)
• M55: 32,824,615 km (0.075 R)
• M56: 34,162,319 km (0.075 R)
• M57: 34,387,015 km (0.066 R)
• M58: 35,064,095 km (0.095 R)
• M59: 35,290,736 km (0.085 R)
• M60: 36,049,646 km (0.066 R)
• M61: 36,278,531 km (0.115 R)
• M62: 36,354,826 km (0.067 R)
• M63: 38,436,630 km (0.088 R)
• M64: 38,748,392 km (0.116 R)
• M65: 38,826,482 km (0.073 R)
• M66: 38,982,662 km (0.06 R)
• M67: 39,295,920 km (0.04 R)
• M68: 39,374,309 km (0.109 R)
• M69: 39,845,991 km (0.114 R)
• M70: 40,003,518 km (0.049 R)
• M71: 40,953,763 km (0.045 R)
• M72: 41,671,235 km (0.092 R)
• M73: 42,071,559 km (0.103 R)
• M74: 42,714,830 km (0.095 R)
• M75: 44,174,157 km (0.073 R)
• M76: 45,567,212 km (0.113 R)
• M77: 46,062,381 km (0.119 R)
• M78: 46,310,564 km (0.12 R)
• M79: 46,559,345 km (0.07 R)
• M80: 46,725,399 km (0.117 R)
• M81: 47,558,509 km (0.11 R)
• M82: 49,154,868 km (0.048 R)
• M83: 51,539,458 km (0.108 R)
• M84: 52,313,777 km (0.088 R)
• M85: 52,486,413 km (0.092 R)
• M86: 55,537,761 km (0.119 R)
• M87: 55,978,326 km (0.081 R)
• M88: 56,508,651 km (0.044 R)
• M89: 57,040,471 km (0.092 R)
• M90: 57,752,258 km (0.091 R)
• M91: 60,085,835 km (0.06 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: 419 - 14,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit