🌌 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: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.54 AU - 0.62 AU

Year: 159 Days

Day: 38.1 Hours

Environment

Temp: 220 °C

Axial Tilt: 120.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,373,968 km

• M1: 406,457 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.64 AU - 1.04 AU

Year: 277 Days

Day: 12.6 Hours

Environment

Temp: 164 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,373,968 km

• M1: 37,998 km (0.099 R)
• M2: 273,465 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.7

Radius: 10.9

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.26 AU - 8.68 AU

Year: 7348 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,373,968 km

• M1: 135,536 km (0.102 R)
• M2: 580,290 km (0.117 R)
• M3: 1,616,405 km (0.117 R)
• M4: 2,150,619 km (0.049 R)
• M5: 2,551,242 km (0.097 R)
• M6: 3,106,849 km (0.106 R)
• M7: 3,645,850 km (0.098 R)
• M8: 4,682,563 km (0.096 R)
• M9: 5,677,538 km (0.118 R)
• M10: 6,106,286 km (0.072 R)
• M11: 7,254,300 km (0.109 R)
• M12: 7,720,148 km (0.106 R)
• M13: 8,288,769 km (0.12 R)
• M14: 8,972,581 km (0.106 R)
• M15: 12,913,438 km (0.055 R)
• M16: 21,291,367 km (0.06 R)
• M17: 25,026,527 km (0.073 R)
• M18: 26,635,751 km (0.092 R)
• M19: 30,158,482 km (0.1 R)
• M20: 31,671,066 km (0.109 R)
• M21: 34,847,029 km (0.105 R)
• M22: 37,536,200 km (0.099 R)
• M23: 38,113,349 km (0.1 R)
• M24: 40,120,055 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.5

Radius: 13.2

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.94 AU - 9.84 AU

Year: 9539 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,373,968 km

• M1: 164,109 km (0.081 R)
• M2: 748,737 km (0.094 R)
• M3: 1,392,457 km (0.062 R)
• M4: 2,112,023 km (0.104 R)
• M5: 2,982,533 km (0.075 R)
• M6: 3,670,982 km (0.03 R)
• M7: 5,528,689 km (0.108 R)
• M8: 7,100,364 km (0.052 R)
• M9: 9,181,869 km (0.107 R)
• M10: 10,287,846 km (0.077 R)
• M11: 11,055,881 km (0.065 R)
• M12: 11,643,053 km (0.063 R)
• M13: 12,363,666 km (0.113 R)
• M14: 14,264,905 km (0.057 R)
• M15: 15,746,821 km (0.025 R)
• M16: 16,353,890 km (0.102 R)
• M17: 17,686,807 km (0.083 R)
• M18: 19,937,058 km (0.113 R)
• M19: 20,647,947 km (0.112 R)
• M20: 21,293,911 km (0.082 R)
• M21: 22,287,988 km (0.054 R)
• M22: 23,925,187 km (0.067 R)
• M23: 24,369,044 km (0.073 R)
• M24: 28,515,449 km (0.1 R)
• M25: 30,443,316 km (0.072 R)
• M26: 31,492,147 km (0.084 R)
• M27: 32,891,485 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.4

Radius: 4.7

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 11.18 AU - 14.66 AU

Year: 16713 Days

Day: 25 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,373,968 km

• M1: 58,493 km (0.117 R)
• M2: 387,758 km (0.058 R)
• M3: 594,652 km (0.061 R)
• M4: 1,199,925 km (0.03 R)
• M5: 1,431,801 km (0.12 R)
• M6: 1,901,389 km (0.1 R)
• M7: 2,756,939 km (0.081 R)
• M8: 3,554,894 km (0.09 R)
• M9: 3,897,174 km (0.08 R)
• M10: 4,617,039 km (0.072 R)
• M11: 6,019,669 km (0.036 R)
• M12: 6,582,905 km (0.052 R)
• M13: 6,897,359 km (0.077 R)
• M14: 8,076,939 km (0.116 R)
• M15: 8,346,215 km (0.096 R)
• M16: 9,732,837 km (0.102 R)
• M17: 12,235,909 km (0.09 R)
• M18: 15,409,628 km (0.065 R)
• M19: 15,684,888 km (0.117 R)
• M20: 17,480,810 km (0.084 R)
• M21: 20,548,764 km (0.063 R)
• M22: 24,513,107 km (0.087 R)
• M23: 24,700,254 km (0.113 R)
• M24: 29,062,827 km (0.065 R)
• M25: 31,867,937 km (0.108 R)
• M26: 32,202,737 km (0.116 R)
• M27: 33,335,791 km (0.083 R)
• M28: 38,764,698 km (0.1 R)
• M29: 45,033,597 km (0.097 R)
• M30: 50,117,830 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.1

Radius: 6.2

Gravity: 22.77 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 12.04 AU - 17.26 AU

Year: 20180 Days

Day: 21.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,373,968 km

• M1: 94,995 km (0.036 R)
• M2: 529,427 km (0.08 R)
• M3: 761,004 km (0.073 R)
• M4: 997,369 km (0.046 R)
• M5: 1,535,622 km (0.103 R)
• M6: 2,745,570 km (0.117 R)
• M7: 5,671,554 km (0.103 R)
• M8: 6,628,682 km (0.093 R)
• M9: 7,340,169 km (0.088 R)
• M10: 7,538,237 km (0.09 R)
• M11: 9,139,682 km (0.088 R)
• M12: 9,543,746 km (0.065 R)
• M13: 23,717,246 km (0.115 R)
• M14: 26,865,234 km (0.114 R)
• M15: 28,661,306 km (0.107 R)
• M16: 30,791,730 km (0.056 R)
• M17: 33,975,771 km (0.118 R)
• M18: 42,086,519 km (0.086 R)
• M19: 43,042,449 km (0.112 R)
• M20: 46,165,005 km (0.062 R)
• M21: 53,969,227 km (0.062 R)
• M22: 55,097,045 km (0.106 R)
• M23: 56,432,805 km (0.057 R)
• M24: 59,168,651 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.8

Radius: 5.8

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 15.2 AU - 15.66 AU

Year: 21813 Days

Day: 22.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,373,968 km

• M1: 72,106 km (0.069 R)
• M2: 322,383 km (0.117 R)
• M3: 1,137,542 km (0.059 R)
• M4: 1,528,890 km (0.087 R)
• M5: 1,810,583 km (0.105 R)
• M6: 2,005,958 km (0.095 R)
• M7: 2,617,664 km (0.102 R)
• M8: 3,322,419 km (0.118 R)
• M9: 4,202,354 km (0.107 R)
• M10: 4,666,257 km (0.064 R)
• M11: 6,010,543 km (0.076 R)
• M12: 6,300,165 km (0.048 R)
• M13: 7,678,111 km (0.116 R)
• M14: 8,106,110 km (0.103 R)
• M15: 8,415,179 km (0.054 R)
• M16: 11,449,323 km (0.06 R)
• M17: 11,838,427 km (0.114 R)
• M18: 13,422,220 km (0.095 R)
• M19: 15,408,880 km (0.066 R)
• M20: 19,012,693 km (0.053 R)
• M21: 20,762,389 km (0.069 R)
• M22: 26,074,909 km (0.119 R)
• M23: 26,651,309 km (0.102 R)
• M24: 34,130,754 km (0.085 R)
• M25: 38,655,791 km (0.075 R)
• M26: 41,450,129 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765

Radius: 6.5

Gravity: 18.11 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 12.92 AU - 21.44 AU

Year: 25628 Days

Day: 17.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,373,968 km

• M1: 80,932 km (0.093 R)
• M2: 729,140 km (0.097 R)
• M3: 1,605,634 km (0.092 R)
• M4: 2,494,096 km (0.11 R)
• M5: 4,642,920 km (0.115 R)
• M6: 4,870,907 km (0.068 R)
• M7: 8,845,872 km (0.038 R)
• M8: 10,307,293 km (0.082 R)
• M9: 14,814,378 km (0.109 R)
• M10: 15,902,254 km (0.114 R)
• M11: 22,364,732 km (0.072 R)
• M12: 23,793,841 km (0.072 R)
• M13: 25,282,639 km (0.065 R)
• M14: 27,568,644 km (0.098 R)
• M15: 27,941,741 km (0.108 R)
• M16: 31,997,040 km (0.094 R)
• M17: 43,394,303 km (0.109 R)
• M18: 46,482,901 km (0.112 R)
• M19: 66,121,660 km (0.12 R)
• M20: 76,384,374 km (0.062 R)
• M21: 86,325,302 km (0.049 R)
• M22: 90,367,436 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.4

Radius: 4.1

Gravity: 12.46 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 16.69 AU - 22.73 AU

Year: 31492 Days

Day: 23.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 85.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,373,968 km

• M1: 103,223 km (0.09 R)
• M2: 319,242 km (0.108 R)
• M3: 565,031 km (0.12 R)
• M4: 883,525 km (0.032 R)
• M5: 1,430,754 km (0.089 R)
• M6: 2,259,227 km (0.051 R)
• M7: 2,897,711 km (0.047 R)
• M8: 3,421,902 km (0.107 R)
• M9: 3,706,736 km (0.046 R)
• M10: 5,041,598 km (0.084 R)
• M11: 8,256,755 km (0.112 R)
• M12: 8,664,409 km (0.114 R)
• M13: 10,666,478 km (0.115 R)
• M14: 12,754,415 km (0.084 R)
• M15: 14,144,179 km (0.081 R)
• M16: 15,402,298 km (0.103 R)
• M17: 17,800,950 km (0.119 R)
• M18: 19,176,801 km (0.12 R)
• M19: 25,284,135 km (0.074 R)
• M20: 28,142,351 km (0.061 R)
• M21: 29,648,952 km (0.11 R)
• M22: 29,885,466 km (0.086 R)
• M23: 30,602,339 km (0.095 R)
• M24: 39,403,182 km (0.12 R)
• M25: 39,976,141 km (0.11 R)
• M26: 43,990,600 km (0.102 R)
• M27: 50,925,060 km (0.07 R)
• M28: 52,982,629 km (0.051 R)
• M29: 53,505,623 km (0.092 R)
• M30: 65,697,550 km (0.071 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 14,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit