🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.54 AU - 0.58 AU

Year: 160 Days

Day: 22.8 Hours

Environment

Temp: 133 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.62 AU - 0.74 AU

Year: 214 Days

Day: 20.6 Hours

Environment

Temp: 174 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.92 AU - 1.5 AU

Year: 507 Days

Day: 22.8 Hours

Environment

Temp: -21 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.42 AU - 1.46 AU

Year: 658 Days

Day: 40.9 Hours

Environment

Temp: -55 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.67 AU - 2.15 AU

Year: 1005 Days

Day: 39.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,571,733 km

• M1: 115,938 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.6 AU - 3.62 AU

Year: 2612 Days

Day: 28.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,571,733 km

• M1: 889,359 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.2

Radius: 7.9

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 11.23 AU - 12.49 AU

Year: 15553 Days

Day: 17.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 84,571,733 km

• M1: 156,779 km (0.113 R)
• M2: 251,474 km (0.116 R)
• M3: 302,337 km (0.092 R)
• M4: 638,185 km (0.073 R)
• M5: 852,708 km (0.066 R)
• M6: 1,112,709 km (0.086 R)
• M7: 1,275,771 km (0.115 R)
• M8: 1,446,761 km (0.11 R)
• M9: 1,677,591 km (0.089 R)
• M10: 1,757,177 km (0.1 R)
• M11: 2,031,838 km (0.085 R)
• M12: 3,096,975 km (0.046 R)
• M13: 3,394,974 km (0.096 R)
• M14: 3,530,510 km (0.107 R)
• M15: 4,234,517 km (0.088 R)
• M16: 4,639,928 km (0.105 R)
• M17: 5,096,500 km (0.069 R)
• M18: 5,527,492 km (0.051 R)
• M19: 5,767,596 km (0.063 R)
• M20: 6,761,824 km (0.097 R)
• M21: 6,847,095 km (0.086 R)
• M22: 7,061,767 km (0.109 R)
• M23: 7,148,385 km (0.09 R)
• M24: 8,579,737 km (0.06 R)
• M25: 8,811,315 km (0.086 R)
• M26: 9,709,799 km (0.099 R)
• M27: 10,096,809 km (0.1 R)
• M28: 10,243,265 km (0.074 R)
• M29: 10,390,320 km (0.074 R)
• M30: 10,439,538 km (0.089 R)
• M31: 11,745,976 km (0.098 R)
• M32: 12,680,364 km (0.119 R)
• M33: 13,746,249 km (0.089 R)
• M34: 14,399,543 km (0.12 R)
• M35: 14,454,445 km (0.116 R)
• M36: 15,286,210 km (0.044 R)
• M37: 15,962,841 km (0.025 R)
• M38: 18,526,350 km (0.12 R)
• M39: 19,126,537 km (0.098 R)
• M40: 19,247,412 km (0.064 R)
• M41: 20,407,842 km (0.06 R)
• M42: 21,716,524 km (0.102 R)
• M43: 22,667,817 km (0.119 R)
• M44: 23,957,351 km (0.032 R)
• M45: 27,419,794 km (0.117 R)
• M46: 28,034,641 km (0.103 R)
• M47: 30,047,032 km (0.113 R)
• M48: 30,539,807 km (0.116 R)
• M49: 30,681,027 km (0.1 R)
• M50: 33,333,248 km (0.103 R)
• M51: 35,388,723 km (0.073 R)
• M52: 35,760,025 km (0.104 R)
• M53: 36,431,719 km (0.109 R)
• M54: 36,881,859 km (0.088 R)
• M55: 37,107,602 km (0.064 R)
• M56: 37,333,794 km (0.094 R)
• M57: 37,787,525 km (0.1 R)
• M58: 38,471,636 km (0.078 R)
• M59: 38,700,520 km (0.071 R)
• M60: 39,774,932 km (0.075 R)
• M61: 40,781,277 km (0.081 R)
• M62: 41,248,621 km (0.117 R)
• M63: 41,483,041 km (0.086 R)
• M64: 41,874,538 km (0.106 R)
• M65: 42,819,249 km (0.092 R)
• M66: 42,977,374 km (0.107 R)
• M67: 43,930,163 km (0.108 R)
• M68: 45,130,985 km (0.097 R)
• M69: 45,211,468 km (0.114 R)
• M70: 45,775,901 km (0.118 R)
• M71: 45,937,467 km (0.05 R)
• M72: 46,261,496 km (0.038 R)
• M73: 46,504,892 km (0.06 R)
• M74: 47,810,582 km (0.077 R)
• M75: 48,385,636 km (0.06 R)
• M76: 48,467,915 km (0.07 R)
• M77: 48,715,200 km (0.12 R)
• M78: 49,045,512 km (0.089 R)
• M79: 49,376,722 km (0.085 R)
• M80: 51,546,789 km (0.099 R)
• M81: 51,967,757 km (0.116 R)
• M82: 52,728,313 km (0.11 R)
• M83: 52,982,629 km (0.12 R)
• M84: 53,407,337 km (0.101 R)
• M85: 53,833,243 km (0.056 R)
• M86: 54,517,054 km (0.105 R)
• M87: 54,602,774 km (0.077 R)
• M88: 55,203,709 km (0.113 R)
• M89: 55,548,083 km (0.109 R)
• M90: 56,065,991 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.3

Radius: 3.1

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 15.41 AU - 15.45 AU

Year: 23080 Days

Day: 21.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 84,571,733 km

• M1: 387,758 km (0.103 R)
• M2: 907,909 km (0.105 R)
• M3: 991,834 km (0.034 R)
• M4: 1,295,368 km (0.082 R)
• M5: 1,389,914 km (0.097 R)
• M6: 1,666,221 km (0.036 R)
• M7: 1,810,733 km (0.111 R)
• M8: 1,980,676 km (0.098 R)
• M9: 2,567,997 km (0.091 R)
• M10: 2,880,507 km (0.1 R)
• M11: 2,905,041 km (0.071 R)
• M12: 3,255,848 km (0.114 R)
• M13: 3,281,429 km (0.051 R)
• M14: 3,593,341 km (0.041 R)
• M15: 3,646,299 km (0.096 R)
• M16: 3,699,555 km (0.049 R)
• M17: 3,996,657 km (0.098 R)
• M18: 4,301,388 km (0.059 R)
• M19: 4,757,811 km (0.081 R)
• M20: 4,962,311 km (0.066 R)
• M21: 4,991,782 km (0.116 R)
• M22: 5,199,573 km (0.069 R)
• M23: 5,593,016 km (0.086 R)
• M24: 6,027,298 km (0.11 R)
• M25: 6,185,124 km (0.104 R)
• M26: 6,248,553 km (0.117 R)
• M27: 6,536,829 km (0.101 R)
• M28: 6,829,592 km (0.09 R)
• M29: 7,226,325 km (0.093 R)
• M30: 7,259,685 km (0.098 R)
• M31: 7,360,215 km (0.067 R)
• M32: 7,973,118 km (0.107 R)
• M33: 8,285,478 km (0.037 R)
• M34: 8,566,722 km (0.035 R)
• M35: 9,246,794 km (0.077 R)
• M36: 9,685,265 km (0.104 R)
• M37: 11,079,218 km (0.062 R)
• M38: 11,661,902 km (0.112 R)
• M39: 12,214,666 km (0.108 R)
• M40: 12,454,172 km (0.097 R)
• M41: 12,494,265 km (0.103 R)
• M42: 14,048,586 km (0.086 R)
• M43: 14,215,687 km (0.109 R)
• M44: 14,299,462 km (0.107 R)
• M45: 14,763,365 km (0.062 R)
• M46: 15,189,270 km (0.099 R)
• M47: 15,879,216 km (0.04 R)
• M48: 16,184,246 km (0.087 R)
• M49: 16,888,702 km (0.075 R)
• M50: 17,964,012 km (0.119 R)
• M51: 18,327,385 km (0.11 R)
• M52: 18,922,934 km (0.119 R)
• M53: 19,992,259 km (0.12 R)
• M54: 22,970,304 km (0.032 R)
• M55: 23,216,542 km (0.119 R)
• M56: 24,259,838 km (0.097 R)
• M57: 25,166,102 km (0.099 R)
• M58: 25,470,683 km (0.038 R)
• M59: 25,674,435 km (0.069 R)
• M60: 25,980,961 km (0.077 R)
• M61: 27,011,840 km (0.092 R)
• M62: 27,427,872 km (0.117 R)
• M63: 27,636,561 km (0.109 R)
• M64: 28,477,151 km (0.077 R)
• M65: 30,939,981 km (0.097 R)
• M66: 32,858,873 km (0.059 R)
• M67: 33,860,730 km (0.08 R)
• M68: 34,084,828 km (0.089 R)
• M69: 34,309,224 km (0.079 R)
• M70: 36,408,831 km (0.103 R)
• M71: 36,638,314 km (0.116 R)
• M72: 37,445,245 km (0.088 R)
• M73: 37,560,884 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.8

Radius: 4

Gravity: 25.86 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 15.78 AU - 21.1 AU

Year: 30153 Days

Day: 23.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 84,571,733 km

• M1: 99,183 km (0.109 R)
• M2: 271,071 km (0.068 R)
• M3: 777,311 km (0.056 R)
• M4: 829,819 km (0.104 R)
• M5: 1,482,814 km (0.056 R)
• M6: 1,682,677 km (0.097 R)
• M7: 1,716,785 km (0.116 R)
• M8: 2,603,153 km (0.055 R)
• M9: 2,642,796 km (0.072 R)
• M10: 2,884,546 km (0.09 R)
• M11: 3,345,906 km (0.107 R)
• M12: 3,830,005 km (0.05 R)
• M13: 3,875,183 km (0.086 R)
• M14: 3,920,362 km (0.066 R)
• M15: 4,242,147 km (0.12 R)
• M16: 4,477,315 km (0.114 R)
• M17: 4,716,522 km (0.115 R)
• M18: 4,862,080 km (0.111 R)
• M19: 5,408,561 km (0.104 R)
• M20: 5,560,852 km (0.088 R)
• M21: 8,125,558 km (0.074 R)
• M22: 9,130,706 km (0.106 R)
• M23: 9,987,453 km (0.038 R)
• M24: 10,174,301 km (0.092 R)
• M25: 10,997,687 km (0.111 R)
• M26: 11,061,865 km (0.112 R)
• M27: 11,449,772 km (0.079 R)
• M28: 12,372,043 km (0.104 R)
• M29: 12,707,142 km (0.105 R)
• M30: 13,045,234 km (0.103 R)
• M31: 13,592,313 km (0.09 R)
• M32: 14,850,581 km (0.107 R)
• M33: 14,992,699 km (0.104 R)
• M34: 15,421,596 km (0.069 R)
• M35: 15,565,509 km (0.066 R)
• M36: 15,709,871 km (0.07 R)
• M37: 17,476,173 km (0.085 R)
• M38: 19,304,259 km (0.055 R)
• M39: 19,459,392 km (0.098 R)
• M40: 19,537,033 km (0.085 R)
• M41: 20,005,274 km (0.085 R)
• M42: 20,635,530 km (0.059 R)
• M43: 21,032,563 km (0.079 R)
• M44: 21,272,069 km (0.097 R)
• M45: 22,076,906 km (0.097 R)
• M46: 23,467,867 km (0.041 R)
• M47: 24,382,957 km (0.112 R)
• M48: 25,224,894 km (0.079 R)
• M49: 25,309,566 km (0.104 R)
• M50: 26,677,938 km (0.072 R)
• M51: 28,070,096 km (0.109 R)
• M52: 28,333,687 km (0.116 R)
• M53: 29,129,548 km (0.091 R)
• M54: 29,307,420 km (0.092 R)
• M55: 29,396,430 km (0.088 R)
• M56: 29,753,670 km (0.084 R)
• M57: 30,292,073 km (0.112 R)
• M58: 32,385,695 km (0.099 R)
• M59: 33,217,609 km (0.085 R)
• M60: 34,150,052 km (0.049 R)
• M61: 36,136,263 km (0.074 R)
• M62: 37,384,358 km (0.102 R)
• M63: 38,744,203 km (0.071 R)
• M64: 39,824,000 km (0.043 R)
• M65: 40,219,238 km (0.1 R)
• M66: 41,612,293 km (0.078 R)
• M67: 42,415,335 km (0.107 R)
• M68: 42,818,800 km (0.095 R)
• M69: 43,629,621 km (0.109 R)
• M70: 43,934,950 km (0.114 R)
• M71: 45,060,674 km (0.096 R)
• M72: 45,266,371 km (0.08 R)
• M73: 45,988,629 km (0.104 R)
• M74: 46,299,494 km (0.051 R)
• M75: 46,506,986 km (0.04 R)
• M76: 46,610,957 km (0.094 R)
• M77: 47,444,815 km (0.116 R)
• M78: 49,233,108 km (0.108 R)
• M79: 50,722,504 km (0.081 R)
• M80: 51,687,560 km (0.103 R)
• M81: 56,160,537 km (0.116 R)
• M82: 58,835,795 km (0.032 R)
• M83: 59,398,283 km (0.085 R)
• M84: 64,540,860 km (0.106 R)
• M85: 65,120,851 km (0.086 R)
• M86: 65,936,010 km (0.071 R)
• M87: 67,341,182 km (0.083 R)
• M88: 68,756,079 km (0.083 R)
• M89: 74,513,203 km (0.074 R)
• M90: 75,243,540 km (0.099 R)
• M91: 77,202,973 km (0.092 R)
• M92: 77,449,062 km (0.066 R)
• M93: 78,559,826 km (0.072 R)
• M94: 80,547,383 km (0.04 R)
• M95: 81,547,295 km (0.034 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 18,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit