🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.65 AU - 0.89 AU

Year: 248 Days

Day: 27.4 Hours

Environment

Temp: 181 °C

Axial Tilt: 23.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.6 AU - 0.98 AU

Year: 258 Days

Day: 36.3 Hours

Environment

Temp: 135 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.69 AU - 0.99 AU

Year: 283 Days

Day: 43.1 Hours

Environment

Temp: 164 °C

Axial Tilt: 161.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 52,926,441 km

• M1: 138,976 km (0.045 R)
• M2: 498,759 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.08 AU - 1.58 AU

Year: 563 Days

Day: 31.2 Hours

Environment

Temp: 6 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.71 AU - 4.11 AU

Year: 2838 Days

Day: 23.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,926,441 km

• M1: 307,274 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.1

Radius: 10.9

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.25 AU - 7.63 AU

Year: 6711 Days

Day: 14.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 52,926,441 km

• M1: 168,298 km (0.058 R)
• M2: 501,901 km (0.109 R)
• M3: 647,609 km (0.064 R)
• M4: 726,298 km (0.113 R)
• M5: 1,220,719 km (0.115 R)
• M6: 1,341,295 km (0.089 R)
• M7: 1,413,550 km (0.091 R)
• M8: 1,991,896 km (0.053 R)
• M9: 2,135,210 km (0.117 R)
• M10: 2,369,331 km (0.106 R)
• M11: 2,496,040 km (0.081 R)
• M12: 2,703,533 km (0.08 R)
• M13: 2,836,076 km (0.051 R)
• M14: 3,883,561 km (0.096 R)
• M15: 4,231,675 km (0.077 R)
• M16: 4,479,858 km (0.088 R)
• M17: 4,845,026 km (0.096 R)
• M18: 5,104,878 km (0.084 R)
• M19: 5,402,727 km (0.073 R)
• M20: 5,570,576 km (0.069 R)
• M21: 5,706,112 km (0.057 R)
• M22: 6,015,330 km (0.052 R)
• M23: 6,365,240 km (0.114 R)
• M24: 6,957,199 km (0.101 R)
• M25: 7,066,704 km (0.117 R)
• M26: 7,849,550 km (0.091 R)
• M27: 8,955,527 km (0.103 R)
• M28: 9,537,014 km (0.077 R)
• M29: 9,679,281 km (0.083 R)
• M30: 10,109,974 km (0.055 R)
• M31: 10,296,522 km (0.097 R)
• M32: 10,610,079 km (0.079 R)
• M33: 11,011,750 km (0.049 R)
• M34: 11,267,861 km (0.111 R)
• M35: 11,461,441 km (0.101 R)
• M36: 11,699,451 km (0.113 R)
• M37: 11,895,275 km (0.115 R)
• M38: 12,026,622 km (0.096 R)
• M39: 12,136,277 km (0.075 R)
• M40: 13,116,293 km (0.108 R)
• M41: 13,433,440 km (0.116 R)
• M42: 13,707,204 km (0.052 R)
• M43: 13,798,908 km (0.069 R)
• M44: 13,890,910 km (0.07 R)
• M45: 14,237,379 km (0.031 R)
• M46: 15,033,240 km (0.116 R)
• M47: 15,341,411 km (0.102 R)
• M48: 15,579,870 km (0.103 R)
• M49: 16,229,873 km (0.104 R)
• M50: 16,326,812 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.7

Radius: 12.2

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 8.15 AU - 10.21 AU

Year: 10210 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 52,926,441 km

• M1: 180,415 km (0.119 R)
• M2: 322,832 km (0.083 R)
• M3: 945,907 km (0.072 R)
• M4: 1,060,200 km (0.104 R)
• M5: 1,240,914 km (0.116 R)
• M6: 1,388,867 km (0.078 R)
• M7: 1,702,873 km (0.059 R)
• M8: 2,014,934 km (0.119 R)
• M9: 2,319,515 km (0.054 R)
• M10: 2,944,535 km (0.093 R)
• M11: 3,409,485 km (0.115 R)
• M12: 3,742,640 km (0.115 R)
• M13: 4,838,444 km (0.097 R)
• M14: 5,456,732 km (0.11 R)
• M15: 5,562,198 km (0.099 R)
• M16: 5,991,096 km (0.065 R)
• M17: 6,579,763 km (0.035 R)
• M18: 7,732,864 km (0.036 R)
• M19: 9,239,763 km (0.108 R)
• M20: 9,450,397 km (0.099 R)
• M21: 9,747,797 km (0.089 R)
• M22: 10,351,873 km (0.104 R)
• M23: 12,144,355 km (0.117 R)
• M24: 12,236,507 km (0.044 R)
• M25: 12,514,311 km (0.06 R)
• M26: 12,607,361 km (0.094 R)
• M27: 13,029,077 km (0.11 R)
• M28: 13,123,324 km (0.076 R)
• M29: 13,455,281 km (0.056 R)
• M30: 13,838,102 km (0.11 R)
• M31: 14,224,514 km (0.085 R)
• M32: 14,909,373 km (0.101 R)
• M33: 15,805,613 km (0.113 R)
• M34: 16,924,755 km (0.028 R)
• M35: 18,280,112 km (0.109 R)
• M36: 18,385,878 km (0.065 R)
• M37: 18,810,735 km (0.091 R)
• M38: 20,542,331 km (0.057 R)
• M39: 20,707,337 km (0.114 R)
• M40: 21,038,547 km (0.1 R)
• M41: 21,149,399 km (0.099 R)
• M42: 21,315,901 km (0.065 R)
• M43: 21,874,350 km (0.051 R)
• M44: 21,986,698 km (0.118 R)
• M45: 22,099,046 km (0.091 R)
• M46: 22,607,529 km (0.118 R)
• M47: 22,777,772 km (0.072 R)
• M48: 23,234,195 km (0.082 R)
• M49: 23,693,460 km (0.105 R)
• M50: 23,808,800 km (0.106 R)
• M51: 26,213,586 km (0.096 R)
• M52: 26,931,955 km (0.117 R)
• M53: 27,899,853 km (0.077 R)
• M54: 29,125,658 km (0.106 R)
• M55: 29,994,223 km (0.106 R)
• M56: 30,369,116 km (0.065 R)
• M57: 31,186,519 km (0.045 R)
• M58: 31,756,786 km (0.114 R)
• M59: 32,075,130 km (0.092 R)
• M60: 32,266,615 km (0.118 R)
• M61: 32,458,400 km (0.101 R)
• M62: 33,165,100 km (0.115 R)
• M63: 33,552,708 km (0.12 R)
• M64: 33,682,260 km (0.095 R)
• M65: 34,790,182 km (0.085 R)
• M66: 35,447,365 km (0.109 R)
• M67: 35,645,433 km (0.117 R)
• M68: 35,777,528 km (0.114 R)
• M69: 36,108,737 km (0.077 R)
• M70: 36,308,002 km (0.1 R)
• M71: 37,108,500 km (0.09 R)
• M72: 37,242,540 km (0.114 R)
• M73: 37,914,832 km (0.106 R)
• M74: 38,862,834 km (0.081 R)
• M75: 39,681,583 km (0.106 R)
• M76: 40,989,667 km (0.08 R)
• M77: 42,102,077 km (0.036 R)
• M78: 42,381,825 km (0.093 R)
• M79: 43,013,277 km (0.106 R)
• M80: 44,641,201 km (0.118 R)
• M81: 45,140,709 km (0.064 R)
• M82: 46,073,302 km (0.051 R)
• M83: 48,103,345 km (0.084 R)
• M84: 48,615,418 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 11.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.47 AU - 10.59 AU

Year: 11661 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 52,926,441 km

• M1: 161,267 km (0.115 R)
• M2: 373,845 km (0.097 R)
• M3: 674,088 km (0.107 R)
• M4: 815,907 km (0.059 R)
• M5: 1,048,681 km (0.087 R)
• M6: 1,429,408 km (0.077 R)
• M7: 1,852,620 km (0.07 R)
• M8: 1,954,197 km (0.068 R)
• M9: 2,227,512 km (0.115 R)
• M10: 2,535,983 km (0.086 R)
• M11: 2,672,416 km (0.103 R)
• M12: 2,764,718 km (0.112 R)
• M13: 2,952,613 km (0.088 R)
• M14: 3,120,761 km (0.06 R)
• M15: 3,291,901 km (0.103 R)
• M16: 3,876,530 km (0.068 R)
• M17: 3,981,547 km (0.102 R)
• M18: 5,112,507 km (0.119 R)
• M19: 5,999,473 km (0.076 R)
• M20: 6,554,631 km (0.114 R)
• M21: 7,352,885 km (0.057 R)
• M22: 7,714,014 km (0.099 R)
• M23: 7,846,708 km (0.118 R)
• M24: 7,946,788 km (0.086 R)
• M25: 8,215,616 km (0.095 R)
• M26: 8,317,342 km (0.094 R)
• M27: 8,521,843 km (0.079 R)
• M28: 8,659,024 km (0.09 R)
• M29: 8,762,546 km (0.118 R)
• M30: 8,935,780 km (0.107 R)
• M31: 9,462,664 km (0.096 R)
• M32: 9,927,464 km (0.059 R)
• M33: 10,694,004 km (0.082 R)
• M34: 10,842,255 km (0.048 R)
• M35: 11,253,350 km (0.077 R)
• M36: 11,975,310 km (0.067 R)
• M37: 12,052,203 km (0.057 R)
• M38: 15,301,768 km (0.084 R)
• M39: 15,468,869 km (0.088 R)
• M40: 15,678,605 km (0.119 R)
• M41: 16,185,891 km (0.031 R)
• M42: 16,484,339 km (0.091 R)
• M43: 16,827,666 km (0.037 R)
• M44: 16,913,834 km (0.071 R)
• M45: 17,652,549 km (0.118 R)
• M46: 18,047,936 km (0.107 R)
• M47: 18,313,023 km (0.09 R)
• M48: 18,401,735 km (0.036 R)
• M49: 18,892,117 km (0.115 R)
• M50: 19,116,364 km (0.119 R)
• M51: 19,612,879 km (0.098 R)
• M52: 19,749,163 km (0.096 R)
• M53: 20,711,077 km (0.067 R)
• M54: 20,942,356 km (0.068 R)
• M55: 21,314,256 km (0.111 R)
• M56: 21,407,605 km (0.115 R)
• M57: 23,014,735 km (0.12 R)
• M58: 23,350,283 km (0.118 R)
• M59: 24,611,393 km (0.118 R)
• M60: 24,905,502 km (0.12 R)
• M61: 25,151,441 km (0.062 R)
• M62: 25,944,160 km (0.09 R)
• M63: 26,093,758 km (0.085 R)
• M64: 26,594,313 km (0.086 R)
• M65: 28,731,019 km (0.092 R)
• M66: 28,937,464 km (0.098 R)
• M67: 29,040,836 km (0.026 R)
• M68: 29,767,882 km (0.114 R)
• M69: 30,186,008 km (0.05 R)
• M70: 31,505,312 km (0.086 R)
• M71: 32,520,483 km (0.061 R)
• M72: 33,546,425 km (0.085 R)
• M73: 34,254,621 km (0.076 R)
• M74: 34,418,730 km (0.096 R)
• M75: 34,692,793 km (0.115 R)
• M76: 34,802,598 km (0.12 R)
• M77: 34,912,553 km (0.064 R)
• M78: 35,353,567 km (0.092 R)
• M79: 35,464,120 km (0.071 R)
• M80: 35,796,377 km (0.101 R)
• M81: 35,962,879 km (0.08 R)
• M82: 36,352,432 km (0.105 R)
• M83: 37,698,813 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 14.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.45 AU - 11.75 AU

Year: 11783 Days

Day: 9.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 52,926,441 km

• M1: 878,140 km (0.106 R)
• M2: 1,463,217 km (0.039 R)
• M3: 1,650,962 km (0.068 R)
• M4: 2,025,256 km (0.071 R)
• M5: 2,371,725 km (0.087 R)
• M6: 2,566,351 km (0.028 R)
• M7: 3,091,440 km (0.074 R)
• M8: 3,746,529 km (0.068 R)
• M9: 3,843,768 km (0.069 R)
• M10: 3,941,754 km (0.065 R)
• M11: 4,040,638 km (0.096 R)
• M12: 5,039,204 km (0.099 R)
• M13: 5,584,937 km (0.118 R)
• M14: 5,808,586 km (0.056 R)
• M15: 6,380,948 km (0.061 R)
• M16: 6,693,607 km (0.093 R)
• M17: 6,891,525 km (0.115 R)
• M18: 7,456,407 km (0.07 R)
• M19: 7,868,998 km (0.094 R)
• M20: 9,107,668 km (0.113 R)
• M21: 9,997,177 km (0.094 R)
• M22: 10,315,072 km (0.117 R)
• M23: 10,914,361 km (0.049 R)
• M24: 12,292,008 km (0.113 R)
• M25: 12,437,567 km (0.114 R)
• M26: 12,779,697 km (0.097 R)
• M27: 13,373,451 km (0.114 R)
• M28: 13,824,638 km (0.058 R)
• M29: 14,026,745 km (0.06 R)
• M30: 15,260,329 km (0.039 R)
• M31: 15,521,677 km (0.103 R)
• M32: 17,012,719 km (0.114 R)
• M33: 17,447,001 km (0.095 R)
• M34: 18,105,531 km (0.087 R)
• M35: 18,996,237 km (0.054 R)
• M36: 19,108,585 km (0.057 R)
• M37: 21,226,591 km (0.099 R)
• M38: 21,929,402 km (0.1 R)
• M39: 22,342,891 km (0.084 R)
• M40: 22,818,762 km (0.063 R)
• M41: 23,297,774 km (0.104 R)
• M42: 23,840,814 km (0.074 R)
• M43: 24,266,121 km (0.099 R)
• M44: 24,388,043 km (0.108 R)
• M45: 24,816,492 km (0.086 R)
• M46: 25,371,051 km (0.115 R)
• M47: 25,867,417 km (0.107 R)
• M48: 26,429,755 km (0.062 R)
• M49: 26,618,099 km (0.111 R)
• M50: 27,502,821 km (0.108 R)
• M51: 28,268,911 km (0.067 R)
• M52: 28,848,005 km (0.027 R)
• M53: 28,977,257 km (0.11 R)
• M54: 29,106,659 km (0.094 R)
• M55: 29,236,361 km (0.083 R)
• M56: 29,626,362 km (0.083 R)
• M57: 30,345,928 km (0.058 R)
• M58: 30,938,934 km (0.105 R)
• M59: 31,071,179 km (0.107 R)
• M60: 32,002,575 km (0.112 R)
• M61: 32,875,628 km (0.108 R)
• M62: 34,029,177 km (0.039 R)
• M63: 34,713,887 km (0.109 R)
• M64: 36,306,057 km (0.069 R)
• M65: 36,585,506 km (0.093 R)
• M66: 37,216,509 km (0.075 R)
• M67: 37,780,643 km (0.09 R)
• M68: 38,134,592 km (0.095 R)
• M69: 38,845,780 km (0.081 R)
• M70: 39,992,747 km (0.081 R)
• M71: 41,078,229 km (0.056 R)
• M72: 42,467,096 km (0.073 R)
• M73: 42,835,106 km (0.086 R)
• M74: 43,797,021 km (0.106 R)
• M75: 44,168,771 km (0.117 R)
• M76: 44,541,719 km (0.06 R)
• M77: 44,765,966 km (0.067 R)
• M78: 45,968,284 km (0.05 R)
• M79: 46,270,472 km (0.107 R)
• M80: 47,257,369 km (0.101 R)
• M81: 48,021,216 km (0.103 R)
• M82: 51,665,569 km (0.099 R)
• M83: 51,822,647 km (0.081 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: 437 - 19,859 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit