🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.47 AU - 0.69 AU

Year: 166 Days

Day: 30.4 Hours

Environment

Temp: 187 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,000,156 km

• M1: 354,098 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.78 AU - 1 AU

Year: 315 Days

Day: 30.7 Hours

Environment

Temp: 28 °C

Axial Tilt: 34 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 87,000,156 km

• M1: 87,664 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.18 AU - 1.7 AU

Year: 648 Days

Day: 28.6 Hours

Environment

Temp: -44 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.17 AU - 1.75 AU

Year: 661 Days

Day: 41 Hours

Environment

Temp: -43 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.8 AU - 2.86 AU

Year: 1333 Days

Day: 24 Hours

Environment

Temp: -96 °C

Axial Tilt: 43.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.47 AU - 3.81 AU

Year: 2602 Days

Day: 44.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 14.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.1

Radius: 6.3

Gravity: 18.09 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 11.3 AU - 17.06 AU

Year: 20010 Days

Day: 17 Hours

Environment

Temp: -182 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 87,000,156 km

• M1: 144,362 km (0.079 R)
• M2: 791,223 km (0.071 R)
• M3: 916,137 km (0.028 R)
• M4: 1,047,634 km (0.118 R)
• M5: 1,157,289 km (0.094 R)
• M6: 1,213,538 km (0.103 R)
• M7: 2,163,933 km (0.107 R)
• M8: 2,340,010 km (0.071 R)
• M9: 3,012,452 km (0.068 R)
• M10: 3,369,842 km (0.113 R)
• M11: 3,533,053 km (0.109 R)
• M12: 4,081,180 km (0.12 R)
• M13: 4,211,479 km (0.104 R)
• M14: 4,255,311 km (0.119 R)
• M15: 5,302,497 km (0.081 R)
• M16: 6,526,058 km (0.114 R)
• M17: 8,654,087 km (0.089 R)
• M18: 9,560,351 km (0.056 R)
• M19: 9,617,946 km (0.089 R)
• M20: 10,794,833 km (0.087 R)
• M21: 11,217,447 km (0.112 R)
• M22: 11,278,333 km (0.09 R)
• M23: 11,339,219 km (0.034 R)
• M24: 11,645,446 km (0.034 R)
• M25: 12,203,596 km (0.082 R)
• M26: 12,391,640 km (0.109 R)
• M27: 12,770,422 km (0.114 R)
• M28: 12,897,580 km (0.036 R)
• M29: 13,410,402 km (0.107 R)
• M30: 13,539,654 km (0.064 R)
• M31: 13,604,430 km (0.119 R)
• M32: 14,060,704 km (0.042 R)
• M33: 15,391,676 km (0.096 R)
• M34: 17,181,465 km (0.062 R)
• M35: 17,321,788 km (0.115 R)
• M36: 17,603,780 km (0.114 R)
• M37: 17,745,299 km (0.102 R)
• M38: 20,728,580 km (0.068 R)
• M39: 20,952,977 km (0.095 R)
• M40: 21,706,501 km (0.108 R)
• M41: 21,782,348 km (0.106 R)
• M42: 21,934,339 km (0.07 R)
• M43: 22,622,340 km (0.08 R)
• M44: 23,473,103 km (0.059 R)
• M45: 26,006,692 km (0.09 R)
• M46: 26,167,809 km (0.075 R)
• M47: 27,060,460 km (0.092 R)
• M48: 27,633,719 km (0.054 R)
• M49: 27,798,127 km (0.098 R)
• M50: 28,128,140 km (0.044 R)
• M51: 29,881,875 km (0.046 R)
• M52: 30,389,311 km (0.101 R)
• M53: 30,899,739 km (0.111 R)
• M54: 31,413,010 km (0.094 R)
• M55: 31,842,804 km (0.07 R)
• M56: 32,188,076 km (0.116 R)
• M57: 33,143,857 km (0.055 R)
• M58: 33,669,245 km (0.095 R)
• M59: 34,462,263 km (0.095 R)
• M60: 35,083,393 km (0.103 R)
• M61: 36,246,666 km (0.09 R)
• M62: 36,336,724 km (0.102 R)
• M63: 36,697,554 km (0.106 R)
• M64: 36,787,912 km (0.103 R)
• M65: 37,513,611 km (0.091 R)
• M66: 37,695,821 km (0.108 R)
• M67: 39,348,429 km (0.068 R)
• M68: 39,997,534 km (0.09 R)
• M69: 40,931,025 km (0.048 R)
• M70: 41,118,471 km (0.1 R)
• M71: 41,400,313 km (0.055 R)
• M72: 41,588,657 km (0.056 R)
• M73: 42,344,425 km (0.084 R)
• M74: 42,914,393 km (0.113 R)
• M75: 44,061,659 km (0.097 R)
• M76: 45,607,155 km (0.103 R)
• M77: 47,958,385 km (0.105 R)
• M78: 49,947,737 km (0.107 R)
• M79: 53,903,703 km (0.069 R)
• M80: 54,109,251 km (0.09 R)
• M81: 54,315,097 km (0.111 R)
• M82: 57,643,650 km (0.104 R)
• M83: 58,486,036 km (0.052 R)
• M84: 60,396,400 km (0.081 R)
• M85: 61,359,212 km (0.097 R)
• M86: 62,542,831 km (0.086 R)
• M87: 66,138,565 km (0.117 R)
• M88: 66,358,623 km (0.053 R)
• M89: 68,128,067 km (0.095 R)
• M90: 72,165,564 km (0.102 R)
• M91: 72,278,810 km (0.119 R)
• M92: 73,756,537 km (0.087 R)
• M93: 73,870,531 km (0.059 R)
• M94: 75,703,853 km (0.109 R)
• M95: 76,279,805 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.4

Radius: 3.7

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 12.91 AU - 16.07 AU

Year: 20670 Days

Day: 19.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 87,000,156 km

• M1: 84,224 km (0.066 R)
• M2: 109,206 km (0.074 R)
• M3: 162,314 km (0.101 R)
• M4: 363,074 km (0.03 R)
• M5: 768,484 km (0.109 R)
• M6: 992,432 km (0.072 R)
• M7: 1,111,811 km (0.081 R)
• M8: 1,420,432 km (0.09 R)
• M9: 1,594,115 km (0.077 R)
• M10: 2,865,996 km (0.069 R)
• M11: 3,259,139 km (0.106 R)
• M12: 3,616,977 km (0.116 R)
• M13: 4,452,631 km (0.102 R)
• M14: 4,564,530 km (0.105 R)
• M15: 4,620,929 km (0.088 R)
• M16: 6,321,707 km (0.066 R)
• M17: 6,862,503 km (0.101 R)
• M18: 7,451,320 km (0.104 R)
• M19: 7,651,183 km (0.09 R)
• M20: 7,852,691 km (0.104 R)
• M21: 7,886,501 km (0.042 R)
• M22: 8,192,578 km (0.097 R)
• M23: 9,169,601 km (0.103 R)
• M24: 9,926,268 km (0.09 R)
• M25: 9,962,769 km (0.118 R)
• M26: 10,182,828 km (0.086 R)
• M27: 10,927,975 km (0.1 R)
• M28: 11,003,522 km (0.078 R)
• M29: 11,079,069 km (0.109 R)
• M30: 11,652,029 km (0.098 R)
• M31: 11,806,414 km (0.098 R)
• M32: 12,195,368 km (0.063 R)
• M33: 12,273,757 km (0.093 R)
• M34: 13,105,821 km (0.117 R)
• M35: 13,792,774 km (0.117 R)
• M36: 14,949,465 km (0.078 R)
• M37: 16,568,263 km (0.078 R)
• M38: 17,574,758 km (0.084 R)
• M39: 17,707,451 km (0.092 R)
• M40: 18,107,775 km (0.093 R)
• M41: 18,241,815 km (0.088 R)
• M42: 20,245,529 km (0.037 R)
• M43: 21,603,877 km (0.088 R)
• M44: 22,079,150 km (0.057 R)
• M45: 22,461,671 km (0.091 R)
• M46: 22,653,905 km (0.103 R)
• M47: 22,894,757 km (0.119 R)
• M48: 23,476,543 km (0.028 R)
• M49: 23,525,163 km (0.084 R)
• M50: 23,964,980 km (0.097 R)
• M51: 24,407,491 km (0.109 R)
• M52: 24,604,960 km (0.083 R)
• M53: 24,753,511 km (0.078 R)
• M54: 25,150,843 km (0.062 R)
• M55: 25,250,625 km (0.111 R)
• M56: 26,457,131 km (0.093 R)
• M57: 27,271,841 km (0.079 R)
• M58: 27,476,791 km (0.118 R)
• M59: 28,925,795 km (0.106 R)
• M60: 30,187,354 km (0.098 R)
• M61: 30,931,604 km (0.069 R)
• M62: 31,305,898 km (0.072 R)
• M63: 31,413,159 km (0.095 R)
• M64: 31,627,982 km (0.069 R)
• M65: 32,709,574 km (0.118 R)
• M66: 32,981,843 km (0.107 R)
• M67: 33,036,296 km (0.059 R)
• M68: 34,631,159 km (0.104 R)
• M69: 35,019,814 km (0.044 R)
• M70: 37,155,025 km (0.08 R)
• M71: 37,382,264 km (0.111 R)
• M72: 37,666,799 km (0.12 R)
• M73: 38,009,378 km (0.088 R)
• M74: 38,123,821 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624

Radius: 3.9

Gravity: 41.03 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 16.47 AU - 16.97 AU

Year: 25620 Days

Day: 19 Hours

Environment

Temp: -199 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 87,000,156 km

• M1: 122,670 km (0.114 R)
• M2: 523,144 km (0.069 R)
• M3: 1,170,005 km (0.104 R)
• M4: 1,200,822 km (0.033 R)
• M5: 1,326,484 km (0.115 R)
• M6: 1,798,914 km (0.033 R)
• M7: 2,279,722 km (0.112 R)
• M8: 2,435,453 km (0.104 R)
• M9: 2,716,099 km (0.088 R)
• M10: 2,964,731 km (0.092 R)
• M11: 3,845,264 km (0.105 R)
• M12: 4,077,140 km (0.097 R)
• M13: 5,049,527 km (0.031 R)
• M14: 5,303,394 km (0.061 R)
• M15: 5,876,354 km (0.062 R)
• M16: 6,089,531 km (0.103 R)
• M17: 6,688,820 km (0.099 R)
• M18: 6,799,822 km (0.108 R)
• M19: 7,192,965 km (0.061 R)
• M20: 8,178,216 km (0.081 R)
• M21: 8,536,055 km (0.104 R)
• M22: 8,838,093 km (0.091 R)
• M23: 9,266,840 km (0.093 R)
• M24: 9,328,624 km (0.067 R)
• M25: 10,657,652 km (0.067 R)
• M26: 11,509,611 km (0.12 R)
• M27: 12,179,810 km (0.065 R)
• M28: 12,247,428 km (0.1 R)
• M29: 14,766,806 km (0.092 R)
• M30: 14,911,467 km (0.096 R)
• M31: 15,567,603 km (0.116 R)
• M32: 15,641,056 km (0.098 R)
• M33: 18,130,215 km (0.084 R)
• M34: 18,517,972 km (0.073 R)
• M35: 18,673,704 km (0.03 R)
• M36: 20,095,931 km (0.108 R)
• M37: 20,819,984 km (0.077 R)
• M38: 21,798,654 km (0.038 R)
• M39: 23,210,558 km (0.105 R)
• M40: 23,800,572 km (0.113 R)
• M41: 25,860,236 km (0.072 R)
• M42: 26,911,311 km (0.093 R)
• M43: 27,353,372 km (0.037 R)
• M44: 27,530,945 km (0.108 R)
• M45: 28,065,757 km (0.068 R)
• M46: 28,155,217 km (0.043 R)
• M47: 28,424,194 km (0.099 R)
• M48: 30,422,373 km (0.086 R)
• M49: 32,653,475 km (0.09 R)
• M50: 33,693,480 km (0.097 R)
• M51: 36,584,608 km (0.113 R)
• M52: 36,976,106 km (0.071 R)
• M53: 38,555,710 km (0.108 R)
• M54: 39,253,733 km (0.098 R)
• M55: 40,459,941 km (0.075 R)
• M56: 40,966,180 km (0.079 R)
• M57: 43,424,971 km (0.068 R)
• M58: 43,528,343 km (0.083 R)
• M59: 43,735,685 km (0.114 R)
• M60: 44,046,999 km (0.062 R)
• M61: 46,247,583 km (0.03 R)
• M62: 46,670,796 km (0.111 R)
• M63: 46,882,925 km (0.111 R)
• M64: 47,201,569 km (0.05 R)
• M65: 47,841,249 km (0.04 R)
• M66: 49,993,813 km (0.059 R)
• M67: 50,972,782 km (0.098 R)
• M68: 51,848,228 km (0.057 R)
• M69: 53,060,121 km (0.119 R)
• M70: 53,503,080 km (0.098 R)
• M71: 54,058,537 km (0.112 R)
• M72: 54,615,939 km (0.064 R)
• M73: 54,951,337 km (0.068 R)
• M74: 55,624,079 km (0.079 R)
• M75: 58,913,736 km (0.116 R)
• M76: 59,257,661 km (0.092 R)
• M77: 60,177,987 km (0.097 R)
• M78: 60,524,456 km (0.059 R)
• M79: 60,871,374 km (0.062 R)
• M80: 61,103,101 km (0.114 R)
• M81: 63,201,660 km (0.071 R)
• M82: 67,948,849 km (0.072 R)
• M83: 68,670,659 km (0.087 R)
• M84: 69,879,559 km (0.057 R)
• M85: 72,073,113 km (0.09 R)
• M86: 72,195,633 km (0.03 R)
• M87: 74,908,591 km (0.05 R)
• M88: 76,527,389 km (0.059 R)
• M89: 78,914,074 km (0.088 R)
• M90: 80,306,830 km (0.1 R)
• M91: 81,070,078 km (0.09 R)
• M92: 82,347,345 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 10,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit