🌌 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: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.53 AU - 0.63 AU

Year: 158 Days

Day: 19.8 Hours

Environment

Temp: 229 °C

Axial Tilt: 47.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.88 AU - 1.06 AU

Year: 342 Days

Day: 43.5 Hours

Environment

Temp: 76 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,237,558 km

• M1: 91,105 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.15 AU - 1.29 AU

Year: 483 Days

Day: 42.6 Hours

Environment

Temp: 27 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.17 AU - 1.61 AU

Year: 587 Days

Day: 25.2 Hours

Environment

Temp: -11 °C

Axial Tilt: 58.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,237,558 km

• M1: 564,283 km (0.118 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.38 AU - 1.66 AU

Year: 671 Days

Day: 27.5 Hours

Environment

Temp: -28 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.49 AU - 1.67 AU

Year: 711 Days

Day: 47.4 Hours

Environment

Temp: -42 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.16 AU - 3.52 AU

Year: 1714 Days

Day: 36.6 Hours

Environment

Temp: -96 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,237,558 km

• M1: 1,033,422 km (0.042 R)

Asteroid Belt

Center: 4.12 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.6

Radius: 10

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.27 AU - 5.51 AU

Year: 4482 Days

Day: 8.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 37,237,558 km

• M1: 144,960 km (0.104 R)
• M2: 245,341 km (0.074 R)
• M3: 355,295 km (0.115 R)
• M4: 765,343 km (0.087 R)
• M5: 943,065 km (0.109 R)
• M6: 1,177,485 km (0.075 R)
• M7: 1,369,718 km (0.099 R)
• M8: 1,604,288 km (0.103 R)
• M9: 2,006,706 km (0.094 R)
• M10: 2,147,777 km (0.103 R)
• M11: 2,274,037 km (0.114 R)
• M12: 2,347,340 km (0.092 R)
• M13: 2,458,791 km (0.107 R)
• M14: 2,862,854 km (0.086 R)
• M15: 3,143,949 km (0.12 R)
• M16: 3,329,450 km (0.085 R)
• M17: 3,539,785 km (0.104 R)
• M18: 3,819,832 km (0.078 R)
• M19: 4,062,480 km (0.105 R)
• M20: 4,242,147 km (0.113 R)
• M21: 4,310,214 km (0.081 R)
• M22: 4,632,597 km (0.045 R)
• M23: 5,010,781 km (0.107 R)
• M24: 5,203,762 km (0.071 R)
• M25: 5,872,764 km (0.117 R)
• M26: 6,595,022 km (0.106 R)
• M27: 6,727,117 km (0.094 R)
• M28: 6,859,960 km (0.108 R)
• M29: 6,966,773 km (0.116 R)
• M30: 7,427,385 km (0.071 R)
• M31: 7,509,664 km (0.086 R)
• M32: 7,786,270 km (0.119 R)
• M33: 8,207,538 km (0.077 R)
• M34: 8,378,079 km (0.095 R)
• M35: 8,521,095 km (0.045 R)
• M36: 8,955,078 km (0.056 R)
• M37: 9,130,706 km (0.118 R)
• M38: 9,574,862 km (0.034 R)
• M39: 10,056,268 km (0.118 R)
• M40: 10,391,966 km (0.049 R)
• M41: 10,855,569 km (0.085 R)
• M42: 11,074,282 km (0.106 R)
• M43: 11,136,963 km (0.109 R)
• M44: 11,231,359 km (0.113 R)
• M45: 11,995,804 km (0.106 R)
• M46: 12,157,071 km (0.101 R)
• M47: 12,579,984 km (0.1 R)
• M48: 12,711,181 km (0.12 R)
• M49: 13,406,961 km (0.069 R)
• M50: 14,115,157 km (0.073 R)
• M51: 14,388,024 km (0.071 R)
• M52: 14,559,613 km (0.118 R)
• M53: 14,628,428 km (0.115 R)
• M54: 15,392,275 km (0.107 R)
• M55: 15,708,524 km (0.039 R)
• M56: 15,885,199 km (0.09 R)
• M57: 15,991,414 km (0.09 R)
• M58: 16,204,741 km (0.114 R)
• M59: 17,067,322 km (0.032 R)
• M60: 17,944,863 km (0.093 R)
• M61: 18,389,169 km (0.08 R)
• M62: 18,687,317 km (0.097 R)
• M63: 20,125,551 km (0.046 R)
• M64: 20,279,039 km (0.056 R)
• M65: 20,509,868 km (0.1 R)
• M66: 21,129,951 km (0.06 R)
• M67: 21,756,168 km (0.106 R)
• M68: 22,707,012 km (0.051 R)
• M69: 22,866,783 km (0.119 R)
• M70: 23,549,996 km (0.086 R)
• M71: 24,158,411 km (0.107 R)
• M72: 25,060,187 km (0.073 R)
• M73: 25,225,343 km (0.028 R)
• M74: 25,515,263 km (0.097 R)
• M75: 25,598,290 km (0.028 R)
• M76: 26,854,314 km (0.119 R)
• M77: 27,916,309 km (0.038 R)
• M78: 28,087,599 km (0.118 R)
• M79: 28,431,075 km (0.115 R)
• M80: 28,603,262 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.2

Radius: 8.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 9.54 AU - 15.18 AU

Year: 15563 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 37,237,558 km

• M1: 228,436 km (0.097 R)
• M2: 568,622 km (0.051 R)
• M3: 674,088 km (0.092 R)
• M4: 803,041 km (0.099 R)
• M5: 1,219,372 km (0.095 R)
• M6: 1,278,314 km (0.102 R)
• M7: 1,338,303 km (0.067 R)
• M8: 1,523,804 km (0.093 R)
• M9: 2,012,540 km (0.107 R)
• M10: 2,396,857 km (0.098 R)
• M11: 2,830,242 km (0.099 R)
• M12: 2,989,115 km (0.064 R)
• M13: 3,205,434 km (0.07 R)
• M14: 3,455,112 km (0.104 R)
• M15: 3,539,635 km (0.074 R)
• M16: 4,121,421 km (0.067 R)
• M17: 4,639,180 km (0.075 R)
• M18: 4,795,360 km (0.078 R)
• M19: 5,145,269 km (0.118 R)
• M20: 5,735,582 km (0.117 R)
• M21: 5,970,900 km (0.065 R)
• M22: 6,175,101 km (0.093 R)
• M23: 6,278,174 km (0.056 R)
• M24: 6,872,676 km (0.108 R)
• M25: 7,816,489 km (0.072 R)
• M26: 8,303,579 km (0.115 R)
• M27: 8,493,419 km (0.101 R)
• M28: 8,838,990 km (0.095 R)
• M29: 8,955,228 km (0.085 R)
• M30: 9,346,277 km (0.076 R)
• M31: 10,185,670 km (0.11 R)
• M32: 10,841,358 km (0.108 R)
• M33: 11,426,285 km (0.066 R)
• M34: 12,279,442 km (0.092 R)
• M35: 13,642,279 km (0.083 R)
• M36: 13,731,888 km (0.099 R)
• M37: 13,821,646 km (0.083 R)
• M38: 14,638,152 km (0.119 R)
• M39: 14,729,855 km (0.042 R)
• M40: 15,563,863 km (0.114 R)
• M41: 17,228,888 km (0.066 R)
• M42: 17,568,624 km (0.034 R)
• M43: 19,099,609 km (0.036 R)
• M44: 20,059,130 km (0.107 R)
• M45: 20,570,306 km (0.105 R)
• M46: 21,449,193 km (0.103 R)
• M47: 22,551,879 km (0.062 R)
• M48: 22,976,737 km (0.115 R)
• M49: 23,136,807 km (0.111 R)
• M50: 23,780,526 km (0.085 R)
• M51: 24,104,705 km (0.103 R)
• M52: 24,213,014 km (0.103 R)
• M53: 25,140,521 km (0.1 R)
• M54: 25,857,693 km (0.031 R)
• M55: 26,190,997 km (0.108 R)
• M56: 26,974,142 km (0.068 R)
• M57: 27,030,390 km (0.115 R)
• M58: 27,538,275 km (0.112 R)
• M59: 27,992,305 km (0.107 R)
• M60: 28,735,507 km (0.041 R)
• M61: 29,311,608 km (0.101 R)
• M62: 30,066,330 km (0.104 R)
• M63: 32,129,583 km (0.113 R)
• M64: 32,248,813 km (0.071 R)
• M65: 33,087,907 km (0.081 R)
• M66: 35,833,178 km (0.113 R)
• M67: 36,515,344 km (0.111 R)
• M68: 38,081,484 km (0.045 R)
• M69: 38,334,155 km (0.035 R)
• M70: 40,439,596 km (0.104 R)
• M71: 40,826,306 km (0.111 R)
• M72: 40,890,932 km (0.071 R)
• M73: 44,362,501 km (0.112 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131

Radius: 10.8

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 12.22 AU - 12.6 AU

Year: 15658 Days

Day: 14 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 37,237,558 km

• M1: 147,504 km (0.117 R)
• M2: 247,285 km (0.054 R)
• M3: 366,964 km (0.089 R)
• M4: 524,490 km (0.092 R)
• M5: 851,062 km (0.108 R)
• M6: 1,203,664 km (0.065 R)
• M7: 2,161,839 km (0.062 R)
• M8: 2,508,906 km (0.106 R)
• M9: 2,689,171 km (0.097 R)
• M10: 2,873,925 km (0.1 R)
• M11: 3,704,941 km (0.044 R)
• M12: 3,781,685 km (0.077 R)
• M13: 4,015,356 km (0.104 R)
• M14: 4,523,989 km (0.092 R)
• M15: 5,253,279 km (0.037 R)
• M16: 5,426,812 km (0.098 R)
• M17: 5,514,178 km (0.096 R)
• M18: 5,661,083 km (0.063 R)
• M19: 5,779,564 km (0.112 R)
• M20: 5,868,874 km (0.062 R)
• M21: 6,048,990 km (0.105 R)
• M22: 6,292,086 km (0.079 R)
• M23: 6,414,757 km (0.088 R)
• M24: 6,725,172 km (0.11 R)
• M25: 6,913,815 km (0.063 R)
• M26: 7,008,810 km (0.116 R)
• M27: 7,457,753 km (0.096 R)
• M28: 7,915,971 km (0.06 R)
• M29: 8,148,596 km (0.1 R)
• M30: 8,248,976 km (0.075 R)
• M31: 8,552,660 km (0.096 R)
• M32: 8,928,749 km (0.078 R)
• M33: 9,520,708 km (0.085 R)
• M34: 10,017,821 km (0.078 R)
• M35: 10,089,628 km (0.026 R)
• M36: 11,446,780 km (0.083 R)
• M37: 11,559,427 km (0.107 R)
• M38: 12,204,194 km (0.081 R)
• M39: 12,357,682 km (0.099 R)
• M40: 14,087,332 km (0.071 R)
• M41: 14,248,300 km (0.082 R)
• M42: 14,531,488 km (0.095 R)
• M43: 14,653,560 km (0.1 R)
• M44: 15,227,118 km (0.116 R)
• M45: 15,766,419 km (0.099 R)
• M46: 16,948,990 km (0.096 R)
• M47: 17,163,214 km (0.117 R)
• M48: 17,249,233 km (0.083 R)
• M49: 17,378,336 km (0.107 R)
• M50: 17,854,655 km (0.118 R)
• M51: 18,247,649 km (0.078 R)
• M52: 18,423,277 km (0.111 R)
• M53: 19,354,225 km (0.063 R)
• M54: 20,164,297 km (0.107 R)
• M55: 21,261,747 km (0.107 R)
• M56: 21,585,477 km (0.071 R)
• M57: 22,896,702 km (0.084 R)
• M58: 23,038,670 km (0.05 R)
• M59: 23,801,021 km (0.092 R)
• M60: 23,896,913 km (0.085 R)
• M61: 24,185,338 km (0.089 R)
• M62: 25,399,474 km (0.049 R)
• M63: 25,792,318 km (0.047 R)
• M64: 26,137,590 km (0.106 R)
• M65: 27,032,485 km (0.114 R)
• M66: 27,182,531 km (0.044 R)
• M67: 27,282,762 km (0.047 R)
• M68: 27,937,402 km (0.109 R)
• M69: 28,342,813 km (0.119 R)
• M70: 28,648,142 km (0.098 R)
• M71: 29,159,467 km (0.057 R)
• M72: 29,622,174 km (0.113 R)
• M73: 30,502,856 km (0.112 R)
• M74: 31,444,724 km (0.083 R)
• M75: 31,708,017 km (0.099 R)
• M76: 31,972,207 km (0.105 R)
• M77: 32,608,895 km (0.07 R)
• M78: 32,928,885 km (0.052 R)
• M79: 34,870,366 km (0.115 R)
• M80: 35,799,967 km (0.117 R)
• M81: 36,185,182 km (0.114 R)
• M82: 36,959,650 km (0.113 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 11,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit