🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.56 AU - 0.62 AU

Year: 161 Days

Day: 18.7 Hours

Environment

Temp: 211 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 85,908,490 km

• M1: 115,190 km (0.067 R)
• M2: 247,884 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.63 AU - 0.65 AU

Year: 182 Days

Day: 27.1 Hours

Environment

Temp: 144 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,908,490 km

• M1: 166,353 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.55 AU - 0.77 AU

Year: 190 Days

Day: 47.2 Hours

Environment

Temp: 190 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.26 AU - 1.46 AU

Year: 563 Days

Day: 15 Hours

Environment

Temp: 4 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 85,908,490 km

• M1: 268,379 km (0.089 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.54 AU - 1.86 AU

Year: 786 Days

Day: 20.3 Hours

Environment

Temp: -44 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,908,490 km

• M1: 1,473,539 km (0.112 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.06 AU - 2.76 AU

Year: 1327 Days

Day: 24.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.2 AU - 4.58 AU

Year: 3263 Days

Day: 34.6 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,908,490 km

• M1: 50,115 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 12.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.23 AU - 7.75 AU

Year: 7272 Days

Day: 5 Hours

Environment

Temp: -152 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 85,908,490 km

• M1: 522,545 km (0.083 R)
• M2: 603,179 km (0.081 R)
• M3: 753,225 km (0.077 R)
• M4: 833,709 km (0.096 R)
• M5: 1,234,631 km (0.099 R)
• M6: 1,802,654 km (0.088 R)
• M7: 2,047,546 km (0.062 R)
• M8: 2,223,623 km (0.105 R)
• M9: 2,425,281 km (0.08 R)
• M10: 2,507,560 km (0.054 R)
• M11: 2,696,502 km (0.114 R)
• M12: 3,044,317 km (0.114 R)
• M13: 3,476,056 km (0.03 R)
• M14: 4,422,861 km (0.107 R)
• M15: 4,912,046 km (0.105 R)
• M16: 5,123,278 km (0.038 R)
• M17: 6,309,589 km (0.043 R)
• M18: 6,453,054 km (0.102 R)
• M19: 7,517,143 km (0.098 R)
• M20: 8,413,683 km (0.093 R)
• M21: 8,540,094 km (0.086 R)
• M22: 9,148,807 km (0.103 R)
• M23: 9,246,196 km (0.083 R)
• M24: 9,672,400 km (0.11 R)
• M25: 10,306,844 km (0.096 R)
• M26: 10,714,648 km (0.109 R)
• M27: 10,817,272 km (0.085 R)
• M28: 11,127,538 km (0.103 R)
• M29: 11,405,790 km (0.083 R)
• M30: 12,004,780 km (0.118 R)
• M31: 12,469,731 km (0.1 R)
• M32: 12,577,890 km (0.061 R)
• M33: 12,977,166 km (0.114 R)
• M34: 13,196,627 km (0.078 R)
• M35: 13,639,436 km (0.037 R)
• M36: 13,937,286 km (0.108 R)
• M37: 14,237,379 km (0.068 R)
• M38: 14,539,567 km (0.087 R)
• M39: 14,691,558 km (0.084 R)
• M40: 15,150,375 km (0.115 R)
• M41: 15,536,487 km (0.042 R)
• M42: 16,278,791 km (0.079 R)
• M43: 16,436,617 km (0.083 R)
• M44: 18,492,541 km (0.094 R)
• M45: 20,076,633 km (0.063 R)
• M46: 20,458,107 km (0.095 R)
• M47: 21,271,471 km (0.094 R)
• M48: 21,790,575 km (0.074 R)
• M49: 22,709,106 km (0.086 R)
• M50: 24,268,066 km (0.081 R)
• M51: 24,674,523 km (0.101 R)
• M52: 24,765,180 km (0.11 R)
• M53: 25,265,584 km (0.049 R)
• M54: 25,585,724 km (0.101 R)
• M55: 25,769,430 km (0.095 R)
• M56: 26,600,895 km (0.11 R)
• M57: 26,693,945 km (0.056 R)
• M58: 27,535,283 km (0.053 R)
• M59: 27,817,574 km (0.092 R)
• M60: 28,575,288 km (0.083 R)
• M61: 28,765,875 km (0.083 R)
• M62: 29,052,355 km (0.091 R)
• M63: 29,966,099 km (0.05 R)
• M64: 31,378,752 km (0.064 R)
• M65: 32,464,832 km (0.113 R)
• M66: 32,862,763 km (0.054 R)
• M67: 33,062,476 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 8.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 10.77 AU - 13.35 AU

Year: 14858 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 61.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 85,908,490 km

• M1: 214,523 km (0.072 R)
• M2: 351,106 km (0.065 R)
• M3: 461,210 km (0.109 R)
• M4: 584,329 km (0.104 R)
• M5: 719,267 km (0.052 R)
• M6: 1,053,019 km (0.103 R)
• M7: 1,237,324 km (0.088 R)
• M8: 1,637,199 km (0.119 R)
• M9: 1,952,551 km (0.108 R)
• M10: 2,180,389 km (0.099 R)
• M11: 2,329,987 km (0.079 R)
• M12: 2,962,038 km (0.047 R)
• M13: 3,248,518 km (0.044 R)
• M14: 3,720,649 km (0.081 R)
• M15: 3,951,927 km (0.119 R)
• M16: 4,056,197 km (0.114 R)
• M17: 4,536,705 km (0.032 R)
• M18: 5,177,134 km (0.085 R)
• M19: 5,522,555 km (0.105 R)
• M20: 6,479,832 km (0.097 R)
• M21: 6,541,316 km (0.053 R)
• M22: 6,727,117 km (0.076 R)
• M23: 6,851,882 km (0.097 R)
• M24: 6,914,563 km (0.105 R)
• M25: 7,779,837 km (0.118 R)
• M26: 7,911,035 km (0.076 R)
• M27: 8,308,666 km (0.097 R)
• M28: 8,746,838 km (0.047 R)
• M29: 9,158,082 km (0.087 R)
• M30: 9,610,766 km (0.065 R)
• M31: 9,751,388 km (0.078 R)
• M32: 10,213,645 km (0.093 R)
• M33: 10,792,140 km (0.105 R)
• M34: 10,901,945 km (0.08 R)
• M35: 10,975,248 km (0.118 R)
• M36: 11,270,105 km (0.118 R)
• M37: 11,642,604 km (0.109 R)
• M38: 12,284,828 km (0.117 R)
• M39: 12,399,420 km (0.092 R)
• M40: 12,938,720 km (0.079 R)
• M41: 13,250,332 km (0.081 R)
• M42: 13,485,650 km (0.118 R)
• M43: 13,643,326 km (0.03 R)
• M44: 14,239,922 km (0.102 R)
• M45: 14,682,881 km (0.098 R)
• M46: 14,763,963 km (0.12 R)
• M47: 15,458,696 km (0.113 R)
• M48: 15,582,413 km (0.083 R)
• M49: 17,220,660 km (0.085 R)
• M50: 17,348,865 km (0.106 R)
• M51: 17,477,519 km (0.064 R)
• M52: 17,778,660 km (0.115 R)
• M53: 17,865,127 km (0.069 R)
• M54: 19,222,130 km (0.034 R)
• M55: 19,980,292 km (0.105 R)
• M56: 21,021,493 km (0.029 R)
• M57: 21,802,394 km (0.118 R)
• M58: 22,639,693 km (0.08 R)
• M59: 22,874,113 km (0.085 R)
• M60: 22,968,060 km (0.068 R)
• M61: 24,058,330 km (0.12 R)
• M62: 24,201,794 km (0.105 R)
• M63: 25,359,532 km (0.118 R)
• M64: 25,505,539 km (0.106 R)
• M65: 25,700,615 km (0.07 R)
• M66: 25,945,208 km (0.111 R)
• M67: 26,043,194 km (0.109 R)
• M68: 26,239,766 km (0.072 R)
• M69: 26,732,990 km (0.058 R)
• M70: 27,030,540 km (0.073 R)
• M71: 27,879,209 km (0.091 R)
• M72: 28,483,584 km (0.117 R)
• M73: 28,584,712 km (0.101 R)
• M74: 28,939,708 km (0.09 R)
• M75: 30,219,368 km (0.101 R)
• M76: 30,840,199 km (0.092 R)
• M77: 31,047,991 km (0.072 R)
• M78: 32,410,528 km (0.084 R)
• M79: 33,205,342 km (0.076 R)
• M80: 33,685,401 km (0.094 R)
• M81: 34,113,999 km (0.113 R)
• M82: 34,382,827 km (0.083 R)
• M83: 34,544,392 km (0.109 R)
• M84: 34,868,421 km (0.074 R)
• M85: 35,465,018 km (0.102 R)
• M86: 35,628,378 km (0.116 R)
• M87: 35,955,699 km (0.091 R)
• M88: 36,338,819 km (0.091 R)
• M89: 36,558,428 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 535.5

Radius: 3.6

Gravity: 41.32 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 13.61 AU - 22.43 AU

Year: 27137 Days

Day: 24.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 85,908,490 km

• M1: 235,018 km (0.086 R)
• M2: 306,077 km (0.088 R)
• M3: 631,303 km (0.051 R)
• M4: 655,837 km (0.075 R)
• M5: 864,376 km (0.099 R)
• M6: 1,033,721 km (0.119 R)
• M7: 1,122,283 km (0.053 R)
• M8: 2,363,048 km (0.092 R)
• M9: 3,092,338 km (0.117 R)
• M10: 3,569,555 km (0.119 R)
• M11: 3,885,057 km (0.096 R)
• M12: 3,976,910 km (0.114 R)
• M13: 4,162,561 km (0.115 R)
• M14: 4,303,781 km (0.069 R)
• M15: 5,183,417 km (0.054 R)
• M16: 5,488,596 km (0.118 R)
• M17: 5,851,970 km (0.068 R)
• M18: 6,711,559 km (0.067 R)
• M19: 8,014,407 km (0.115 R)
• M20: 8,485,490 km (0.075 R)
• M21: 8,904,963 km (0.093 R)
• M22: 9,392,652 km (0.078 R)
• M23: 10,140,192 km (0.084 R)
• M24: 10,203,472 km (0.063 R)
• M25: 10,585,097 km (0.052 R)
• M26: 11,493,904 km (0.057 R)
• M27: 11,957,507 km (0.1 R)
• M28: 12,091,098 km (0.093 R)
• M29: 12,158,118 km (0.046 R)
• M30: 12,292,457 km (0.089 R)
• M31: 12,630,399 km (0.111 R)
• M32: 12,903,116 km (0.057 R)
• M33: 13,523,498 km (0.076 R)
• M34: 14,012,833 km (0.051 R)
• M35: 14,650,269 km (0.088 R)
• M36: 15,587,799 km (0.047 R)
• M37: 16,544,477 km (0.046 R)
• M38: 17,976,578 km (0.101 R)
• M39: 20,716,463 km (0.087 R)
• M40: 20,876,981 km (0.086 R)
• M41: 22,011,531 km (0.106 R)
• M42: 22,257,321 km (0.03 R)
• M43: 22,917,047 km (0.078 R)
• M44: 24,849,403 km (0.113 R)
• M45: 27,888,185 km (0.115 R)
• M46: 30,493,282 km (0.103 R)
• M47: 30,675,791 km (0.103 R)
• M48: 31,133,710 km (0.028 R)
• M49: 32,334,682 km (0.074 R)
• M50: 32,707,181 km (0.112 R)
• M51: 32,800,530 km (0.101 R)
• M52: 33,550,763 km (0.111 R)
• M53: 34,401,377 km (0.096 R)
• M54: 34,591,366 km (0.052 R)
• M55: 35,642,441 km (0.055 R)
• M56: 35,738,483 km (0.051 R)
• M57: 38,660,727 km (0.078 R)
• M58: 42,165,506 km (0.099 R)
• M59: 43,185,315 km (0.096 R)
• M60: 43,801,060 km (0.118 R)
• M61: 44,110,129 km (0.074 R)
• M62: 44,419,797 km (0.087 R)
• M63: 45,457,407 km (0.11 R)
• M64: 45,561,528 km (0.115 R)
• M65: 47,028,634 km (0.119 R)
• M66: 47,239,567 km (0.099 R)
• M67: 47,767,946 km (0.101 R)
• M68: 48,192,206 km (0.098 R)
• M69: 49,365,203 km (0.116 R)
• M70: 50,008,923 km (0.107 R)
• M71: 51,956,836 km (0.083 R)
• M72: 53,709,076 km (0.062 R)
• M73: 55,369,314 km (0.053 R)
• M74: 56,261,665 km (0.066 R)
• M75: 57,383,649 km (0.097 R)
• M76: 59,764,050 km (0.113 R)
• M77: 59,878,193 km (0.116 R)
• M78: 63,103,673 km (0.066 R)
• M79: 65,677,355 km (0.052 R)
• M80: 66,030,855 km (0.116 R)
• M81: 68,165,766 km (0.051 R)
• M82: 69,841,860 km (0.103 R)
• M83: 70,202,690 km (0.069 R)
• M84: 71,652,593 km (0.078 R)
• M85: 74,950,628 km (0.094 R)
• M86: 75,937,375 km (0.083 R)
• M87: 76,308,378 km (0.107 R)
• M88: 77,052,478 km (0.107 R)
• M89: 79,424,352 km (0.108 R)
• M90: 81,693,452 km (0.052 R)
• M91: 85,779,718 km (0.106 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 12,042 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit