🌌 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: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.47 AU - 0.59 AU

Year: 141 Days

Day: 22.9 Hours

Environment

Temp: 219 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.65 AU - 0.73 AU

Year: 209 Days

Day: 24.6 Hours

Environment

Temp: 198 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.76 AU - 1.14 AU

Year: 338 Days

Day: 15.7 Hours

Environment

Temp: 37 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,194,063 km

• M1: 91,554 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.26 AU - 1.6 AU

Year: 625 Days

Day: 34.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.52 AU - 3.56 AU

Year: 1936 Days

Day: 37.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.7

Radius: 9.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.74 AU - 6.88 AU

Year: 5115 Days

Day: 14.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 79,194,063 km

• M1: 147,204 km (0.07 R)
• M2: 362,625 km (0.1 R)
• M3: 434,432 km (0.118 R)
• M4: 503,247 km (0.069 R)
• M5: 643,420 km (0.047 R)
• M6: 797,357 km (0.063 R)
• M7: 929,601 km (0.118 R)
• M8: 1,855,313 km (0.08 R)
• M9: 2,422,588 km (0.063 R)
• M10: 2,584,752 km (0.112 R)
• M11: 2,717,146 km (0.099 R)
• M12: 3,075,433 km (0.112 R)
• M13: 3,233,558 km (0.108 R)
• M14: 3,304,767 km (0.053 R)
• M15: 3,631,638 km (0.116 R)
• M16: 4,026,277 km (0.114 R)
• M17: 4,141,467 km (0.114 R)
• M18: 4,218,959 km (0.102 R)
• M19: 4,714,128 km (0.098 R)
• M20: 4,795,061 km (0.114 R)
• M21: 4,876,442 km (0.048 R)
• M22: 5,020,056 km (0.113 R)
• M23: 5,269,585 km (0.096 R)
• M24: 5,911,061 km (0.096 R)
• M25: 6,042,258 km (0.11 R)
• M26: 6,174,503 km (0.084 R)
• M27: 6,599,660 km (0.116 R)
• M28: 6,942,089 km (0.105 R)
• M29: 7,103,804 km (0.096 R)
• M30: 7,266,866 km (0.111 R)
• M31: 7,715,510 km (0.066 R)
• M32: 7,835,188 km (0.108 R)
• M33: 8,173,280 km (0.105 R)
• M34: 8,246,433 km (0.076 R)
• M35: 8,344,270 km (0.08 R)
• M36: 8,639,875 km (0.044 R)
• M37: 8,964,204 km (0.09 R)
• M38: 9,064,733 km (0.102 R)
• M39: 9,140,430 km (0.083 R)
• M40: 9,216,276 km (0.09 R)
• M41: 9,317,853 km (0.092 R)
• M42: 9,496,473 km (0.062 R)
• M43: 9,986,855 km (0.084 R)
• M44: 10,274,531 km (0.046 R)
• M45: 10,432,656 km (0.12 R)
• M46: 10,804,557 km (0.06 R)
• M47: 11,452,465 km (0.109 R)
• M48: 11,726,079 km (0.11 R)
• M49: 12,503,839 km (0.105 R)
• M50: 12,616,336 km (0.086 R)
• M51: 13,041,194 km (0.069 R)
• M52: 13,470,690 km (0.088 R)
• M53: 14,786,852 km (0.098 R)
• M54: 14,905,782 km (0.104 R)
• M55: 15,717,201 km (0.116 R)
• M56: 15,899,411 km (0.117 R)
• M57: 15,960,298 km (0.093 R)
• M58: 16,021,334 km (0.112 R)
• M59: 16,358,228 km (0.103 R)
• M60: 16,481,197 km (0.105 R)
• M61: 17,351,259 km (0.119 R)
• M62: 17,571,168 km (0.072 R)
• M63: 18,620,148 km (0.075 R)
• M64: 18,748,652 km (0.059 R)
• M65: 19,103,498 km (0.063 R)
• M66: 19,200,737 km (0.076 R)
• M67: 19,395,663 km (0.03 R)
• M68: 19,656,412 km (0.095 R)
• M69: 20,017,093 km (0.051 R)
• M70: 20,082,916 km (0.032 R)
• M71: 21,346,719 km (0.09 R)
• M72: 21,784,891 km (0.038 R)
• M73: 22,090,070 km (0.103 R)
• M74: 22,362,488 km (0.089 R)
• M75: 22,841,949 km (0.066 R)
• M76: 22,979,579 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.7

Radius: 14.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.65 AU - 8.97 AU

Year: 8750 Days

Day: 8.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,194,063 km

• M1: 216,319 km (0.107 R)
• M2: 317,596 km (0.07 R)
• M3: 481,556 km (0.052 R)
• M4: 933,790 km (0.046 R)
• M5: 1,205,908 km (0.109 R)
• M6: 1,402,330 km (0.081 R)
• M7: 1,504,655 km (0.119 R)
• M8: 1,890,019 km (0.095 R)
• M9: 2,017,028 km (0.111 R)
• M10: 2,429,469 km (0.111 R)
• M11: 2,738,389 km (0.117 R)
• M12: 3,271,855 km (0.093 R)
• M13: 3,629,843 km (0.113 R)
• M14: 3,741,443 km (0.103 R)
• M15: 4,519,950 km (0.079 R)
• M16: 4,936,879 km (0.105 R)
• M17: 5,420,828 km (0.066 R)
• M18: 5,939,035 km (0.091 R)
• M19: 6,434,504 km (0.031 R)
• M20: 6,765,863 km (0.109 R)
• M21: 6,983,229 km (0.106 R)
• M22: 7,404,646 km (0.083 R)
• M23: 7,649,238 km (0.096 R)
• M24: 7,958,756 km (0.119 R)
• M25: 8,632,844 km (0.078 R)
• M26: 8,782,891 km (0.069 R)
• M27: 9,128,911 km (0.076 R)
• M28: 9,901,434 km (0.106 R)
• M29: 10,148,570 km (0.068 R)
• M30: 10,603,198 km (0.106 R)
• M31: 13,245,994 km (0.026 R)
• M32: 13,692,992 km (0.05 R)
• M33: 14,044,099 km (0.043 R)
• M34: 14,499,774 km (0.101 R)
• M35: 15,011,997 km (0.104 R)
• M36: 15,296,233 km (0.111 R)
• M37: 15,791,402 km (0.068 R)
• M38: 16,717,412 km (0.06 R)
• M39: 17,961,169 km (0.083 R)
• M40: 18,180,480 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.9

Radius: 3.9

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 12.79 AU - 18.79 AU

Year: 22917 Days

Day: 17 Hours

Environment

Temp: -183 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 79,194,063 km

• M1: 234,270 km (0.116 R)
• M2: 2,305,602 km (0.106 R)
• M3: 4,516,659 km (0.1 R)
• M4: 4,631,999 km (0.041 R)
• M5: 6,562,410 km (0.075 R)
• M6: 7,045,910 km (0.099 R)
• M7: 7,224,530 km (0.12 R)
• M8: 7,404,646 km (0.112 R)
• M9: 8,611,302 km (0.098 R)
• M10: 9,728,350 km (0.089 R)
• M11: 10,228,156 km (0.111 R)
• M12: 11,044,960 km (0.106 R)
• M13: 11,618,668 km (0.102 R)
• M14: 13,176,880 km (0.065 R)
• M15: 14,458,485 km (0.105 R)
• M16: 14,742,272 km (0.113 R)
• M17: 14,856,415 km (0.1 R)
• M18: 16,306,617 km (0.097 R)
• M19: 16,424,500 km (0.072 R)
• M20: 16,899,174 km (0.093 R)
• M21: 17,258,059 km (0.117 R)
• M22: 18,288,639 km (0.12 R)
• M23: 18,595,614 km (0.092 R)
• M24: 19,276,733 km (0.065 R)
• M25: 19,526,412 km (0.038 R)
• M26: 20,983,046 km (0.084 R)
• M27: 21,756,766 km (0.081 R)
• M28: 23,199,189 km (0.112 R)
• M29: 23,932,069 km (0.102 R)
• M30: 24,200,448 km (0.102 R)
• M31: 24,740,047 km (0.081 R)
• M32: 25,968,844 km (0.064 R)
• M33: 27,217,388 km (0.092 R)
• M34: 27,427,274 km (0.105 R)
• M35: 27,989,911 km (0.112 R)
• M36: 28,414,320 km (0.091 R)
• M37: 28,912,182 km (0.085 R)
• M38: 30,422,971 km (0.113 R)
• M39: 30,859,198 km (0.118 R)
• M40: 31,078,210 km (0.084 R)
• M41: 32,402,600 km (0.057 R)
• M42: 33,820,638 km (0.068 R)
• M43: 33,895,736 km (0.114 R)
• M44: 35,030,286 km (0.088 R)
• M45: 35,258,722 km (0.097 R)
• M46: 36,408,083 km (0.05 R)
• M47: 37,569,560 km (0.106 R)
• M48: 38,586,078 km (0.054 R)
• M49: 39,137,197 km (0.036 R)
• M50: 40,247,213 km (0.1 R)
• M51: 40,806,110 km (0.112 R)
• M52: 41,850,752 km (0.117 R)
• M53: 41,931,535 km (0.03 R)
• M54: 42,254,966 km (0.046 R)
• M55: 47,120,487 km (0.075 R)
• M56: 48,385,337 km (0.1 R)
• M57: 48,979,540 km (0.087 R)
• M58: 51,812,774 km (0.077 R)
• M59: 52,681,788 km (0.118 R)
• M60: 54,346,064 km (0.104 R)
• M61: 55,140,429 km (0.114 R)
• M62: 59,986,652 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.9

Radius: 3.2

Gravity: 40.71 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 16.47 AU - 18.95 AU

Year: 27222 Days

Day: 16.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 79,194,063 km

• M1: 42,336 km (0.11 R)
• M2: 67,768 km (0.115 R)
• M3: 352,752 km (0.072 R)
• M4: 430,692 km (0.104 R)
• M5: 924,814 km (0.102 R)
• M6: 1,232,387 km (0.039 R)
• M7: 3,006,618 km (0.086 R)
• M8: 3,086,503 km (0.112 R)
• M9: 3,580,027 km (0.087 R)
• M10: 3,879,073 km (0.09 R)
• M11: 4,053,654 km (0.091 R)
• M12: 4,275,358 km (0.107 R)
• M13: 4,410,295 km (0.032 R)
• M14: 5,153,198 km (0.062 R)
• M15: 5,344,982 km (0.101 R)
• M16: 5,587,929 km (0.114 R)
• M17: 5,834,467 km (0.102 R)
• M18: 6,084,594 km (0.093 R)
• M19: 6,803,412 km (0.098 R)
• M20: 6,960,939 km (0.119 R)
• M21: 7,602,863 km (0.097 R)
• M22: 7,875,879 km (0.103 R)
• M23: 8,487,734 km (0.074 R)
• M24: 8,713,926 km (0.091 R)
• M25: 9,114,699 km (0.09 R)
• M26: 9,346,426 km (0.111 R)
• M27: 10,837,767 km (0.119 R)
• M28: 11,083,257 km (0.057 R)
• M29: 11,144,892 km (0.055 R)
• M30: 11,206,526 km (0.089 R)
• M31: 11,392,476 km (0.119 R)
• M32: 14,908,924 km (0.044 R)
• M33: 15,250,157 km (0.087 R)
• M34: 15,387,487 km (0.092 R)
• M35: 16,149,539 km (0.103 R)
• M36: 18,144,127 km (0.043 R)
• M37: 18,216,682 km (0.089 R)
• M38: 18,508,398 km (0.047 R)
• M39: 18,581,552 km (0.074 R)
• M40: 18,654,705 km (0.117 R)
• M41: 18,875,063 km (0.083 R)
• M42: 21,431,241 km (0.052 R)
• M43: 22,984,666 km (0.073 R)
• M44: 23,457,694 km (0.113 R)
• M45: 23,774,842 km (0.076 R)
• M46: 26,940,781 km (0.086 R)
• M47: 28,025,067 km (0.114 R)
• M48: 28,277,289 km (0.116 R)
• M49: 29,549,768 km (0.086 R)
• M50: 30,754,181 km (0.098 R)
• M51: 30,840,798 km (0.051 R)
• M52: 31,101,248 km (0.093 R)
• M53: 34,552,321 km (0.12 R)
• M54: 35,093,865 km (0.085 R)
• M55: 36,276,885 km (0.057 R)
• M56: 37,658,122 km (0.072 R)
• M57: 39,338,256 km (0.101 R)
• M58: 39,714,944 km (0.115 R)
• M59: 41,616,033 km (0.057 R)
• M60: 41,999,901 km (0.058 R)
• M61: 45,112,135 km (0.104 R)
• M62: 46,795,411 km (0.075 R)
• M63: 49,510,762 km (0.096 R)
• M64: 50,019,245 km (0.061 R)
• M65: 52,276,826 km (0.094 R)
• M66: 53,313,839 km (0.102 R)
• M67: 53,626,349 km (0.045 R)
• M68: 54,462,601 km (0.101 R)
• M69: 56,147,821 km (0.056 R)
• M70: 60,435,296 km (0.072 R)
• M71: 60,760,970 km (0.101 R)
• M72: 61,196,300 km (0.092 R)
• M73: 62,508,273 km (0.044 R)
• M74: 63,057,746 km (0.109 R)
• M75: 64,715,590 km (0.114 R)
• M76: 65,717,148 km (0.093 R)
• M77: 67,060,537 km (0.077 R)
• M78: 67,848,319 km (0.106 R)
• M79: 68,525,997 km (0.088 R)
• M80: 69,092,525 km (0.102 R)
• M81: 69,546,704 km (0.04 R)
• M82: 70,002,080 km (0.105 R)
• M83: 71,373,892 km (0.11 R)
• M84: 71,833,008 km (0.118 R)
• M85: 72,639,041 km (0.117 R)
• M86: 74,608,946 km (0.033 R)
• M87: 75,425,152 km (0.099 R)
• M88: 76,010,080 km (0.105 R)
• M89: 77,066,540 km (0.061 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 10,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit