🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.59 AU - 0.71 AU

Year: 185 Days

Day: 25.5 Hours

Environment

Temp: 153 °C

Axial Tilt: 127.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.72 AU - 0.74 AU

Year: 220 Days

Day: 35.1 Hours

Environment

Temp: 130 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 94,166,219 km

• M1: 68,366 km (0.076 R)
• M2: 235,018 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.89 AU - 1.15 AU

Year: 364 Days

Day: 17.6 Hours

Environment

Temp: 136 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.01 AU - 1.39 AU

Year: 464 Days

Day: 39.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 94,166,219 km

• M1: 550,221 km (0.055 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.95 AU - 1.55 AU

Year: 493 Days

Day: 23.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 66.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 94,166,219 km

• M1: 124,465 km (0.079 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.59 AU - 1.97 AU

Year: 839 Days

Day: 24.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.24 AU - 6.52 AU

Year: 4406 Days

Day: 40.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 11.2

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.79 AU - 12.01 AU

Year: 10999 Days

Day: 7.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 87.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 94,166,219 km

• M1: 328,218 km (0.064 R)
• M2: 689,796 km (0.089 R)
• M3: 913,145 km (0.042 R)
• M4: 1,451,399 km (0.094 R)
• M5: 1,628,074 km (0.097 R)
• M6: 1,906,774 km (0.103 R)
• M7: 2,003,265 km (0.1 R)
• M8: 2,669,873 km (0.108 R)
• M9: 2,751,105 km (0.09 R)
• M10: 2,943,787 km (0.077 R)
• M11: 3,055,985 km (0.05 R)
• M12: 3,141,106 km (0.12 R)
• M13: 3,548,761 km (0.066 R)
• M14: 4,255,012 km (0.05 R)
• M15: 4,543,138 km (0.078 R)
• M16: 4,837,846 km (0.038 R)
• M17: 5,445,811 km (0.104 R)
• M18: 5,688,758 km (0.111 R)
• M19: 6,149,669 km (0.097 R)
• M20: 6,882,100 km (0.044 R)
• M21: 7,449,675 km (0.065 R)
• M22: 7,719,699 km (0.08 R)
• M23: 8,190,035 km (0.065 R)
• M24: 9,282,398 km (0.069 R)
• M25: 9,614,954 km (0.095 R)
• M26: 9,866,877 km (0.095 R)
• M27: 9,951,250 km (0.085 R)
• M28: 10,722,278 km (0.111 R)
• M29: 10,809,194 km (0.041 R)
• M30: 11,379,611 km (0.094 R)
• M31: 12,549,616 km (0.095 R)
• M32: 13,335,154 km (0.073 R)
• M33: 13,663,222 km (0.06 R)
• M34: 13,946,710 km (0.114 R)
• M35: 14,231,993 km (0.098 R)
• M36: 14,423,329 km (0.088 R)
• M37: 14,808,544 km (0.08 R)
• M38: 15,245,818 km (0.09 R)
• M39: 16,382,912 km (0.099 R)
• M40: 17,291,719 km (0.104 R)
• M41: 17,598,394 km (0.105 R)
• M42: 18,842,600 km (0.084 R)
• M43: 19,000,126 km (0.03 R)
• M44: 19,634,721 km (0.083 R)
• M45: 20,761,940 km (0.119 R)
• M46: 20,979,007 km (0.12 R)
• M47: 21,854,753 km (0.051 R)
• M48: 22,075,709 km (0.115 R)
• M49: 23,078,613 km (0.057 R)
• M50: 23,642,148 km (0.108 R)
• M51: 24,898,022 km (0.111 R)
• M52: 25,013,213 km (0.086 R)
• M53: 25,302,236 km (0.077 R)
• M54: 26,763,209 km (0.094 R)
• M55: 27,832,085 km (0.1 R)
• M56: 28,371,685 km (0.029 R)
• M57: 29,583,278 km (0.088 R)
• M58: 29,705,350 km (0.037 R)
• M59: 31,931,516 km (0.063 R)
• M60: 32,622,508 km (0.064 R)
• M61: 32,811,750 km (0.11 R)
• M62: 33,001,440 km (0.069 R)
• M63: 34,274,967 km (0.073 R)
• M64: 35,111,518 km (0.084 R)
• M65: 35,240,770 km (0.115 R)
• M66: 35,759,576 km (0.103 R)
• M67: 36,804,517 km (0.082 R)
• M68: 37,859,631 km (0.117 R)
• M69: 38,324,431 km (0.107 R)
• M70: 38,524,144 km (0.113 R)
• M71: 39,797,222 km (0.064 R)
• M72: 41,972,525 km (0.107 R)
• M73: 42,453,482 km (0.084 R)
• M74: 43,559,609 km (0.111 R)
• M75: 44,885,644 km (0.102 R)
• M76: 46,437,423 km (0.097 R)
• M77: 46,863,627 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526.4

Radius: 3.7

Gravity: 38.45 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 15.47 AU - 16.43 AU

Year: 22493 Days

Day: 20.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 94,166,219 km

• M1: 99,931 km (0.073 R)
• M2: 326,123 km (0.1 R)
• M3: 888,163 km (0.062 R)
• M4: 991,235 km (0.11 R)
• M5: 1,180,776 km (0.076 R)
• M6: 1,411,306 km (0.094 R)
• M7: 1,686,866 km (0.115 R)
• M8: 1,978,881 km (0.065 R)
• M9: 2,682,439 km (0.063 R)
• M10: 3,138,115 km (0.119 R)
• M11: 4,509,777 km (0.063 R)
• M12: 4,957,524 km (0.054 R)
• M13: 5,466,157 km (0.118 R)
• M14: 5,513,130 km (0.071 R)
• M15: 5,655,099 km (0.066 R)
• M16: 5,991,096 km (0.111 R)
• M17: 6,039,715 km (0.115 R)
• M18: 6,682,387 km (0.114 R)
• M19: 7,191,469 km (0.116 R)
• M20: 7,294,841 km (0.11 R)
• M21: 7,660,309 km (0.053 R)
• M22: 7,765,775 km (0.039 R)
• M23: 8,736,815 km (0.099 R)
• M24: 9,236,472 km (0.044 R)
• M25: 9,405,069 km (0.08 R)
• M26: 9,688,407 km (0.064 R)
• M27: 10,205,417 km (0.103 R)
• M28: 10,263,461 km (0.032 R)
• M29: 10,672,462 km (0.107 R)
• M30: 11,506,470 km (0.08 R)
• M31: 12,114,884 km (0.095 R)
• M32: 12,423,056 km (0.035 R)
• M33: 13,110,009 km (0.065 R)
• M34: 13,426,409 km (0.038 R)
• M35: 14,002,062 km (0.1 R)
• M36: 14,716,541 km (0.099 R)
• M37: 15,309,846 km (0.082 R)
• M38: 15,978,399 km (0.034 R)
• M39: 19,316,526 km (0.107 R)
• M40: 20,402,457 km (0.1 R)
• M41: 20,915,877 km (0.109 R)
• M42: 22,632,811 km (0.114 R)
• M43: 23,088,038 km (0.086 R)
• M44: 23,393,217 km (0.119 R)
• M45: 23,699,743 km (0.093 R)
• M46: 23,930,423 km (0.106 R)
• M47: 25,330,659 km (0.119 R)
• M48: 25,645,413 km (0.118 R)
• M49: 27,480,231 km (0.069 R)
• M50: 27,803,512 km (0.094 R)
• M51: 27,965,676 km (0.08 R)
• M52: 28,535,794 km (0.05 R)
• M53: 30,185,559 km (0.04 R)
• M54: 30,519,162 km (0.099 R)
• M55: 30,937,887 km (0.111 R)
• M56: 31,106,035 km (0.096 R)
• M57: 32,631,933 km (0.115 R)
• M58: 32,803,073 km (0.076 R)
• M59: 33,490,176 km (0.102 R)
• M60: 37,175,071 km (0.092 R)
• M61: 38,161,070 km (0.101 R)
• M62: 38,974,284 km (0.065 R)
• M63: 39,064,941 km (0.119 R)
• M64: 39,884,438 km (0.099 R)
• M65: 41,262,982 km (0.056 R)
• M66: 42,097,439 km (0.12 R)
• M67: 43,406,570 km (0.027 R)
• M68: 43,877,355 km (0.098 R)
• M69: 44,824,160 km (0.108 R)
• M70: 45,204,587 km (0.066 R)
• M71: 45,777,397 km (0.099 R)
• M72: 46,641,175 km (0.095 R)
• M73: 48,872,876 km (0.102 R)
• M74: 48,970,713 km (0.119 R)
• M75: 50,643,517 km (0.118 R)
• M76: 52,435,101 km (0.081 R)
• M77: 53,137,463 km (0.1 R)
• M78: 55,364,826 km (0.109 R)
• M79: 57,312,889 km (0.034 R)
• M80: 57,416,112 km (0.066 R)
• M81: 57,725,929 km (0.073 R)
• M82: 60,644,284 km (0.053 R)
• M83: 65,973,708 km (0.11 R)
• M84: 66,731,721 km (0.108 R)
• M85: 67,383,668 km (0.108 R)
• M86: 67,819,596 km (0.101 R)
• M87: 68,147,066 km (0.12 R)
• M88: 68,475,134 km (0.095 R)
• M89: 69,132,617 km (0.12 R)
• M90: 70,233,358 km (0.117 R)
• M91: 72,229,143 km (0.101 R)
• M92: 72,786,844 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.6

Radius: 6.1

Gravity: 18.24 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 14.15 AU - 22.47 AU

Year: 27665 Days

Day: 24.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 94,166,219 km

• M1: 199,564 km (0.087 R)
• M2: 322,234 km (0.115 R)
• M3: 589,416 km (0.036 R)
• M4: 800,498 km (0.092 R)
• M5: 2,448,768 km (0.112 R)
• M6: 2,744,373 km (0.092 R)
• M7: 3,140,957 km (0.083 R)
• M8: 4,036,151 km (0.086 R)
• M9: 4,134,736 km (0.113 R)
• M10: 5,542,003 km (0.081 R)
• M11: 5,929,012 km (0.111 R)
• M12: 6,041,211 km (0.079 R)
• M13: 6,382,144 km (0.102 R)
• M14: 7,141,952 km (0.102 R)
• M15: 8,554,754 km (0.063 R)
• M16: 8,618,034 km (0.076 R)
• M17: 9,065,930 km (0.071 R)
• M18: 9,260,258 km (0.107 R)
• M19: 9,586,980 km (0.096 R)
• M20: 9,784,898 km (0.057 R)
• M21: 10,184,922 km (0.097 R)
• M22: 10,658,100 km (0.081 R)
• M23: 10,794,683 km (0.064 R)
• M24: 11,346,699 km (0.059 R)
• M25: 12,120,569 km (0.086 R)
• M26: 12,191,778 km (0.071 R)
• M27: 13,867,423 km (0.101 R)
• M28: 14,241,119 km (0.033 R)
• M29: 14,693,952 km (0.113 R)
• M30: 15,151,572 km (0.102 R)
• M31: 17,348,117 km (0.067 R)
• M32: 17,912,550 km (0.091 R)
• M33: 19,142,544 km (0.066 R)
• M34: 19,893,375 km (0.108 R)
• M35: 20,230,270 km (0.045 R)
• M36: 20,739,052 km (0.096 R)
• M37: 23,256,934 km (0.037 R)
• M38: 23,968,421 km (0.107 R)
• M39: 24,057,731 km (0.089 R)
• M40: 28,006,816 km (0.114 R)
• M41: 28,953,471 km (0.118 R)
• M42: 30,296,561 km (0.108 R)
• M43: 31,268,199 km (0.08 R)
• M44: 31,366,036 km (0.095 R)
• M45: 34,546,487 km (0.108 R)
• M46: 36,483,031 km (0.104 R)
• M47: 38,349,863 km (0.103 R)
• M48: 38,559,150 km (0.096 R)
• M49: 38,873,904 km (0.049 R)
• M50: 41,636,977 km (0.059 R)
• M51: 42,175,529 km (0.109 R)
• M52: 42,391,698 km (0.101 R)
• M53: 42,608,017 km (0.064 R)
• M54: 43,586,686 km (0.094 R)
• M55: 43,805,099 km (0.088 R)
• M56: 44,462,731 km (0.117 R)
• M57: 47,461,869 km (0.077 R)
• M58: 47,574,217 km (0.11 R)
• M59: 47,911,860 km (0.117 R)
• M60: 49,839,428 km (0.085 R)
• M61: 50,296,749 km (0.056 R)
• M62: 50,870,158 km (0.093 R)
• M63: 51,215,429 km (0.106 R)
• M64: 51,330,620 km (0.081 R)
• M65: 51,676,789 km (0.034 R)
• M66: 53,887,247 km (0.091 R)
• M67: 55,535,666 km (0.045 R)
• M68: 56,485,014 km (0.102 R)
• M69: 57,679,254 km (0.038 R)
• M70: 60,214,190 km (0.078 R)
• M71: 70,581,921 km (0.028 R)
• M72: 73,161,138 km (0.029 R)
• M73: 74,462,340 km (0.059 R)
• M74: 76,560,151 km (0.105 R)
• M75: 78,544,417 km (0.027 R)
• M76: 79,876,586 km (0.077 R)
• M77: 81,485,063 km (0.064 R)
• M78: 81,754,189 km (0.046 R)
• M79: 82,023,615 km (0.117 R)
• M80: 82,563,364 km (0.051 R)
• M81: 83,239,696 km (0.054 R)
• M82: 83,375,232 km (0.086 R)
• M83: 85,826,393 km (0.092 R)
• M84: 86,374,370 km (0.105 R)
• M85: 87,060,874 km (0.079 R)
• M86: 88,025,033 km (0.033 R)
• M87: 88,439,419 km (0.092 R)
• M88: 88,716,025 km (0.1 R)
• M89: 90,103,097 km (0.104 R)
• M90: 90,520,624 km (0.06 R)
• M91: 90,799,325 km (0.112 R)
• M92: 91,218,050 km (0.108 R)
• M93: 92,337,491 km (0.099 R)
• M94: 93,180,026 km (0.095 R)
• M95: 94,025,104 km (0.085 R)

Kuiper Belt

Range: 31.1 - 49.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 13,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit