🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.51 AU - 0.55 AU

Year: 140 Days

Day: 16.5 Hours

Environment

Temp: 236 °C

Axial Tilt: 27.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 86,533,740 km

• M1: 125,662 km (0.107 R)
• M2: 171,589 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.66 AU - 3.36 AU

Year: 1889 Days

Day: 43.1 Hours

Environment

Temp: -100 °C

Axial Tilt: 42.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,533,740 km

• M1: 25,731 km (0.092 R)
• M2: 297,849 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.18 AU - 3.34 AU

Year: 2129 Days

Day: 17 Hours

Environment

Temp: -115 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.39 AU - 3.63 AU

Year: 2378 Days

Day: 43.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 12.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 10.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 11.78 AU - 12.64 AU

Year: 15430 Days

Day: 6.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 86,533,740 km

• M1: 132,245 km (0.041 R)
• M2: 561,441 km (0.104 R)
• M3: 1,131,409 km (0.078 R)
• M4: 1,250,937 km (0.091 R)
• M5: 1,524,701 km (0.112 R)
• M6: 1,657,694 km (0.072 R)
• M7: 1,983,219 km (0.103 R)
• M8: 2,153,611 km (0.106 R)
• M9: 2,535,235 km (0.05 R)
• M10: 3,021,279 km (0.065 R)
• M11: 3,218,149 km (0.061 R)
• M12: 3,303,869 km (0.095 R)
• M13: 4,109,454 km (0.059 R)
• M14: 4,646,809 km (0.1 R)
• M15: 4,874,647 km (0.089 R)
• M16: 4,940,470 km (0.106 R)
• M17: 5,341,392 km (0.073 R)
• M18: 5,409,160 km (0.092 R)
• M19: 5,997,528 km (0.071 R)
• M20: 6,606,392 km (0.108 R)
• M21: 7,651,632 km (0.091 R)
• M22: 8,667,850 km (0.069 R)
• M23: 8,868,162 km (0.094 R)
• M24: 9,934,346 km (0.095 R)
• M25: 10,144,082 km (0.104 R)
• M26: 10,440,136 km (0.099 R)
• M27: 10,954,154 km (0.108 R)
• M28: 11,476,550 km (0.041 R)
• M29: 11,564,514 km (0.05 R)
• M30: 11,696,609 km (0.096 R)
• M31: 12,275,403 km (0.089 R)
• M32: 12,954,727 km (0.116 R)
• M33: 13,137,984 km (0.109 R)
• M34: 15,597,373 km (0.065 R)
• M35: 15,694,761 km (0.099 R)
• M36: 16,481,197 km (0.087 R)
• M37: 16,580,381 km (0.069 R)
• M38: 17,129,555 km (0.09 R)
• M39: 17,684,712 km (0.117 R)
• M40: 18,916,501 km (0.056 R)
• M41: 19,228,862 km (0.072 R)
• M42: 19,490,359 km (0.109 R)
• M43: 20,548,165 km (0.097 R)
• M44: 20,762,090 km (0.093 R)
• M45: 21,138,030 km (0.086 R)
• M46: 21,245,890 km (0.032 R)
• M47: 21,516,213 km (0.082 R)
• M48: 21,951,244 km (0.113 R)
• M49: 24,113,232 km (0.106 R)
• M50: 26,632,759 km (0.115 R)
• M51: 26,924,326 km (0.052 R)
• M52: 27,334,373 km (0.12 R)
• M53: 28,101,212 km (0.104 R)
• M54: 28,755,703 km (0.109 R)
• M55: 29,114,738 km (0.092 R)
• M56: 29,294,853 km (0.099 R)
• M57: 29,595,844 km (0.1 R)
• M58: 30,140,231 km (0.051 R)
• M59: 30,322,441 km (0.077 R)
• M60: 31,054,872 km (0.112 R)
• M61: 33,538,197 km (0.091 R)
• M62: 34,232,331 km (0.083 R)
• M63: 34,612,908 km (0.111 R)
• M64: 35,122,438 km (0.069 R)
• M65: 35,827,344 km (0.109 R)
• M66: 36,278,232 km (0.093 R)
• M67: 36,990,617 km (0.111 R)
• M68: 37,511,666 km (0.112 R)
• M69: 38,429,299 km (0.1 R)
• M70: 38,890,809 km (0.056 R)
• M71: 40,152,966 km (0.11 R)
• M72: 40,353,577 km (0.082 R)
• M73: 40,621,357 km (0.114 R)
• M74: 40,688,526 km (0.113 R)
• M75: 41,158,862 km (0.117 R)
• M76: 42,513,022 km (0.119 R)
• M77: 43,606,732 km (0.098 R)
• M78: 43,675,398 km (0.106 R)
• M79: 45,821,977 km (0.052 R)
• M80: 45,891,840 km (0.049 R)
• M81: 46,311,462 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.8

Radius: 7.5

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 12.44 AU - 18.4 AU

Year: 21899 Days

Day: 19.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 86,533,740 km

• M1: 140,173 km (0.031 R)
• M2: 226,042 km (0.08 R)
• M3: 391,198 km (0.111 R)
• M4: 595,699 km (0.106 R)
• M5: 1,241,662 km (0.116 R)
• M6: 1,641,388 km (0.083 R)
• M7: 2,079,111 km (0.086 R)
• M8: 2,149,721 km (0.116 R)
• M9: 2,858,815 km (0.118 R)
• M10: 3,096,975 km (0.117 R)
• M11: 4,563,782 km (0.095 R)
• M12: 4,655,935 km (0.1 R)
• M13: 4,842,184 km (0.084 R)
• M14: 5,126,121 km (0.111 R)
• M15: 5,221,863 km (0.116 R)
• M16: 6,162,086 km (0.073 R)
• M17: 7,368,593 km (0.118 R)
• M18: 8,418,770 km (0.114 R)
• M19: 8,475,318 km (0.089 R)
• M20: 9,397,738 km (0.108 R)
• M21: 10,594,820 km (0.101 R)
• M22: 11,273,546 km (0.119 R)
• M23: 12,221,697 km (0.094 R)
• M24: 13,392,749 km (0.119 R)
• M25: 13,591,415 km (0.112 R)
• M26: 14,058,759 km (0.077 R)
• M27: 14,531,339 km (0.113 R)
• M28: 14,872,123 km (0.119 R)
• M29: 15,492,206 km (0.046 R)
• M30: 15,561,619 km (0.057 R)
• M31: 16,120,667 km (0.119 R)
• M32: 16,261,438 km (0.082 R)
• M33: 18,495,533 km (0.095 R)
• M34: 20,138,417 km (0.102 R)
• M35: 22,925,874 km (0.099 R)
• M36: 24,042,173 km (0.061 R)
• M37: 24,283,624 km (0.082 R)
• M38: 24,525,973 km (0.084 R)
• M39: 24,687,987 km (0.049 R)
• M40: 25,585,275 km (0.106 R)
• M41: 25,749,533 km (0.034 R)
• M42: 28,086,103 km (0.081 R)
• M43: 29,108,155 km (0.084 R)
• M44: 29,193,875 km (0.103 R)
• M45: 29,279,594 km (0.096 R)
• M46: 29,623,670 km (0.081 R)
• M47: 31,451,756 km (0.119 R)
• M48: 32,334,981 km (0.057 R)
• M49: 33,226,435 km (0.106 R)
• M50: 33,585,320 km (0.097 R)
• M51: 36,040,969 km (0.118 R)
• M52: 36,594,482 km (0.09 R)
• M53: 37,990,529 km (0.11 R)
• M54: 38,553,765 km (0.107 R)
• M55: 40,547,007 km (0.096 R)
• M56: 41,122,510 km (0.063 R)
• M57: 43,844,443 km (0.042 R)
• M58: 44,336,471 km (0.09 R)
• M59: 44,731,559 km (0.11 R)
• M60: 44,929,476 km (0.093 R)
• M61: 47,126,172 km (0.11 R)
• M62: 50,898,581 km (0.06 R)
• M63: 51,312,219 km (0.052 R)
• M64: 51,623,084 km (0.099 R)
• M65: 53,187,129 km (0.098 R)
• M66: 55,934,943 km (0.087 R)
• M67: 56,254,933 km (0.084 R)
• M68: 58,295,747 km (0.094 R)
• M69: 59,814,913 km (0.072 R)
• M70: 60,360,646 km (0.087 R)
• M71: 60,688,864 km (0.119 R)
• M72: 61,787,361 km (0.096 R)
• M73: 62,670,737 km (0.038 R)
• M74: 65,121,748 km (0.096 R)
• M75: 65,345,995 km (0.066 R)
• M76: 66,810,708 km (0.1 R)
• M77: 67,490,331 km (0.054 R)
• M78: 67,603,876 km (0.044 R)
• M79: 67,717,421 km (0.118 R)
• M80: 68,058,354 km (0.041 R)
• M81: 68,172,198 km (0.086 R)
• M82: 69,085,045 km (0.047 R)
• M83: 73,125,683 km (0.087 R)
• M84: 73,242,370 km (0.046 R)
• M85: 75,115,933 km (0.111 R)
• M86: 75,351,251 km (0.096 R)
• M87: 75,468,984 km (0.098 R)
• M88: 75,586,718 km (0.08 R)
• M89: 76,294,914 km (0.08 R)
• M90: 79,029,563 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.8

Radius: 3.7

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 14.92 AU - 21.24 AU

Year: 27803 Days

Day: 22.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 86,533,740 km

• M1: 338,839 km (0.08 R)
• M2: 564,732 km (0.088 R)
• M3: 662,569 km (0.085 R)
• M4: 1,034,170 km (0.032 R)
• M5: 1,203,365 km (0.039 R)
• M6: 1,381,237 km (0.094 R)
• M7: 2,172,161 km (0.038 R)
• M8: 3,712,720 km (0.028 R)
• M9: 4,120,673 km (0.096 R)
• M10: 4,978,318 km (0.108 R)
• M11: 7,810,505 km (0.098 R)
• M12: 8,282,935 km (0.112 R)
• M13: 8,426,549 km (0.08 R)
• M14: 8,522,591 km (0.11 R)
• M15: 9,553,918 km (0.09 R)
• M16: 11,677,759 km (0.077 R)
• M17: 14,053,374 km (0.117 R)
• M18: 14,339,106 km (0.073 R)
• M19: 15,795,890 km (0.118 R)
• M20: 15,914,371 km (0.091 R)
• M21: 16,631,992 km (0.09 R)
• M22: 16,813,155 km (0.076 R)
• M23: 17,728,096 km (0.057 R)
• M24: 19,605,998 km (0.038 R)
• M25: 20,439,108 km (0.103 R)
• M26: 21,349,262 km (0.115 R)
• M27: 21,941,370 km (0.05 R)
• M28: 22,605,435 km (0.108 R)
• M29: 23,478,638 km (0.036 R)
• M30: 24,294,545 km (0.057 R)
• M31: 26,023,597 km (0.105 R)
• M32: 31,220,028 km (0.083 R)
• M33: 31,294,379 km (0.075 R)
• M34: 33,324,571 km (0.072 R)
• M35: 33,934,332 km (0.073 R)
• M36: 35,010,090 km (0.116 R)
• M37: 36,175,009 km (0.066 R)
• M38: 37,037,441 km (0.093 R)
• M39: 37,589,756 km (0.078 R)
• M40: 43,841,900 km (0.077 R)
• M41: 48,931,369 km (0.109 R)
• M42: 49,624,007 km (0.108 R)
• M43: 51,633,107 km (0.068 R)
• M44: 52,161,636 km (0.091 R)
• M45: 52,514,986 km (0.057 R)
• M46: 55,190,095 km (0.081 R)
• M47: 55,910,858 km (0.07 R)
• M48: 56,634,911 km (0.118 R)
• M49: 59,838,400 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.4

Radius: 6.5

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 17.66 AU - 18.5 AU

Year: 27803 Days

Day: 22 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 86,533,740 km

• M1: 102,774 km (0.05 R)
• M2: 154,684 km (0.084 R)
• M3: 224,098 km (0.036 R)
• M4: 507,735 km (0.119 R)
• M5: 1,196,035 km (0.086 R)
• M6: 1,928,017 km (0.106 R)
• M7: 2,454,003 km (0.09 R)
• M8: 2,814,684 km (0.099 R)
• M9: 3,540,682 km (0.097 R)
• M10: 4,226,888 km (0.107 R)
• M11: 4,464,748 km (0.095 R)
• M12: 5,153,647 km (0.113 R)
• M13: 5,407,664 km (0.116 R)
• M14: 6,628,083 km (0.1 R)
• M15: 7,071,940 km (0.027 R)
• M16: 8,046,570 km (0.094 R)
• M17: 9,866,728 km (0.101 R)
• M18: 10,564,901 km (0.073 R)
• M19: 10,629,078 km (0.067 R)
• M20: 10,887,434 km (0.118 R)
• M21: 12,142,560 km (0.062 R)
• M22: 12,412,584 km (0.112 R)
• M23: 12,616,336 km (0.071 R)
• M24: 12,889,951 km (0.109 R)
• M25: 14,357,656 km (0.113 R)
• M26: 14,428,864 km (0.068 R)
• M27: 15,147,233 km (0.112 R)
• M28: 15,292,343 km (0.105 R)
• M29: 15,584,059 km (0.098 R)
• M30: 16,768,575 km (0.117 R)
• M31: 17,447,600 km (0.09 R)
• M32: 19,933,916 km (0.087 R)
• M33: 20,092,939 km (0.087 R)
• M34: 21,706,352 km (0.026 R)
• M35: 22,445,814 km (0.115 R)
• M36: 23,026,703 km (0.09 R)
• M37: 23,360,904 km (0.055 R)
• M38: 23,696,602 km (0.116 R)
• M39: 25,399,325 km (0.096 R)
• M40: 26,265,347 km (0.119 R)
• M41: 27,670,969 km (0.086 R)
• M42: 27,937,253 km (0.108 R)
• M43: 28,026,263 km (0.075 R)
• M44: 28,204,435 km (0.097 R)
• M45: 28,293,744 km (0.099 R)
• M46: 28,383,054 km (0.107 R)
• M47: 28,921,008 km (0.045 R)
• M48: 29,734,222 km (0.089 R)
• M49: 31,014,032 km (0.109 R)
• M50: 31,106,184 km (0.078 R)
• M51: 31,568,143 km (0.051 R)
• M52: 32,125,395 km (0.079 R)
• M53: 35,056,017 km (0.109 R)
• M54: 36,407,335 km (0.034 R)
• M55: 37,187,188 km (0.065 R)
• M56: 37,873,992 km (0.118 R)
• M57: 39,359,798 km (0.089 R)
• M58: 42,184,056 km (0.092 R)
• M59: 42,592,907 km (0.074 R)
• M60: 42,900,331 km (0.084 R)
• M61: 44,864,401 km (0.071 R)
• M62: 45,595,486 km (0.11 R)
• M63: 46,014,959 km (0.099 R)
• M64: 48,558,571 km (0.042 R)
• M65: 49,416,665 km (0.077 R)
• M66: 49,739,646 km (0.1 R)
• M67: 51,911,209 km (0.117 R)
• M68: 52,898,405 km (0.116 R)
• M69: 56,458,386 km (0.11 R)
• M70: 57,926,689 km (0.089 R)
• M71: 58,380,868 km (0.092 R)
• M72: 58,608,556 km (0.098 R)
• M73: 60,324,743 km (0.114 R)
• M74: 62,638,723 km (0.115 R)
• M75: 64,745,958 km (0.117 R)
• M76: 64,981,575 km (0.093 R)
• M77: 68,549,185 km (0.095 R)
• M78: 69,390,823 km (0.102 R)
• M79: 71,205,744 km (0.053 R)
• M80: 71,448,841 km (0.065 R)
• M81: 71,692,236 km (0.111 R)
• M82: 72,913,553 km (0.12 R)
• M83: 73,404,085 km (0.035 R)
• M84: 73,526,905 km (0.055 R)
• M85: 73,895,663 km (0.081 R)
• M86: 75,500,699 km (0.086 R)
• M87: 79,878,830 km (0.051 R)
• M88: 80,384,471 km (0.117 R)
• M89: 80,891,009 km (0.116 R)
• M90: 81,144,877 km (0.099 R)
• M91: 82,034,984 km (0.079 R)
• M92: 83,953,128 km (0.099 R)
• M93: 84,595,801 km (0.079 R)
• M94: 85,627,577 km (0.119 R)
• M95: 86,404,140 km (0.085 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 17,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit