🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 14.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.88 AU - 1 AU

Year: 618 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,724,573 km

• M1: 181,911 km (0.109 R)
• M2: 733,927 km (0.074 R)
• M3: 1,208,452 km (0.094 R)
• M4: 2,172,909 km (0.059 R)
• M5: 2,984,926 km (0.086 R)
• M6: 3,759,993 km (0.032 R)
• M7: 4,799,848 km (0.1 R)
• M8: 6,043,305 km (0.085 R)
• M9: 7,132,078 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.8

Radius: 10.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.97 AU - 1.13 AU

Year: 730 Days

Day: 11.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,724,573 km

• M1: 135,536 km (0.038 R)
• M2: 483,500 km (0.067 R)
• M3: 860,786 km (0.115 R)
• M4: 1,397,843 km (0.099 R)
• M5: 1,802,355 km (0.046 R)
• M6: 2,141,494 km (0.074 R)
• M7: 2,929,575 km (0.098 R)
• M8: 3,271,257 km (0.107 R)
• M9: 3,768,819 km (0.113 R)
• M10: 4,979,365 km (0.115 R)
• M11: 5,796,170 km (0.082 R)
• M12: 6,357,610 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.2

Radius: 8.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.05 AU - 1.25 AU

Year: 836 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,724,573 km

• M1: 103,223 km (0.104 R)
• M2: 365,318 km (0.094 R)
• M3: 651,798 km (0.051 R)
• M4: 980,165 km (0.103 R)
• M5: 1,379,891 km (0.108 R)
• M6: 1,877,453 km (0.094 R)
• M7: 2,441,587 km (0.032 R)
• M8: 2,784,764 km (0.085 R)
• M9: 3,125,548 km (0.11 R)
• M10: 3,420,555 km (0.069 R)
• M11: 4,247,532 km (0.085 R)
• M12: 4,506,785 km (0.034 R)
• M13: 4,962,461 km (0.05 R)
• M14: 6,127,678 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.4

Radius: 11.1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.98 AU - 1.56 AU

Year: 971 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,724,573 km

• M1: 139,575 km (0.11 R)
• M2: 623,674 km (0.102 R)
• M3: 1,984,715 km (0.097 R)
• M4: 2,915,662 km (0.093 R)
• M5: 3,667,392 km (0.051 R)
• M6: 5,522,106 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 8.6

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.49 AU - 4.75 AU

Year: 5672 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,724,573 km

• M1: 106,962 km (0.085 R)
• M2: 408,402 km (0.083 R)
• M3: 766,390 km (0.072 R)
• M4: 1,076,207 km (0.057 R)
• M5: 1,530,985 km (0.087 R)
• M6: 1,803,851 km (0.103 R)
• M7: 2,398,951 km (0.057 R)
• M8: 2,733,452 km (0.1 R)
• M9: 3,562,972 km (0.119 R)
• M10: 6,409,521 km (0.106 R)
• M11: 6,711,260 km (0.043 R)
• M12: 7,199,398 km (0.087 R)
• M13: 8,091,150 km (0.105 R)
• M14: 10,874,718 km (0.103 R)
• M15: 11,304,812 km (0.119 R)
• M16: 11,647,092 km (0.09 R)
• M17: 12,455,369 km (0.111 R)
• M18: 12,873,346 km (0.12 R)
• M19: 15,701,045 km (0.071 R)
• M20: 17,388,359 km (0.045 R)
• M21: 19,963,088 km (0.108 R)
• M22: 20,535,749 km (0.112 R)
• M23: 21,415,384 km (0.075 R)
• M24: 21,864,477 km (0.078 R)
• M25: 28,110,188 km (0.102 R)
• M26: 28,558,533 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.5

Radius: 9.5

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.98 AU - 5.38 AU

Year: 6867 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,724,573 km

• M1: 134,040 km (0.108 R)
• M2: 504,594 km (0.059 R)
• M3: 933,192 km (0.107 R)
• M4: 1,342,042 km (0.101 R)
• M5: 11,262,775 km (0.074 R)
• M6: 11,777,541 km (0.092 R)
• M7: 13,254,371 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.1

Radius: 6.4

Gravity: 18.07 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.93 AU - 6.61 AU

Year: 10649 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,724,573 km

• M1: 90,656 km (0.085 R)
• M2: 331,210 km (0.025 R)
• M3: 560,693 km (0.063 R)
• M4: 870,211 km (0.1 R)
• M5: 1,144,573 km (0.115 R)
• M6: 1,407,716 km (0.088 R)
• M7: 2,182,483 km (0.088 R)
• M8: 2,631,726 km (0.089 R)
• M9: 3,070,795 km (0.104 R)
• M10: 3,431,326 km (0.06 R)
• M11: 4,179,615 km (0.074 R)
• M12: 5,814,121 km (0.066 R)
• M13: 6,253,191 km (0.088 R)
• M14: 7,033,793 km (0.102 R)
• M15: 7,238,592 km (0.118 R)
• M16: 8,646,159 km (0.119 R)
• M17: 9,315,908 km (0.035 R)
• M18: 10,866,640 km (0.033 R)
• M19: 11,875,677 km (0.103 R)
• M20: 13,693,591 km (0.097 R)
• M21: 17,795,564 km (0.079 R)
• M22: 22,031,278 km (0.096 R)
• M23: 23,549,846 km (0.081 R)
• M24: 24,757,101 km (0.101 R)
• M25: 28,522,180 km (0.095 R)
• M26: 30,758,220 km (0.101 R)
• M27: 31,528,948 km (0.111 R)
• M28: 35,455,743 km (0.09 R)
• M29: 37,536,200 km (0.096 R)
• M30: 38,415,985 km (0.103 R)
• M31: 50,070,258 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.5

Radius: 5.9

Gravity: 27.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.41 AU - 7.09 AU

Year: 11895 Days

Day: 23.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 72.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,724,573 km

• M1: 73,303 km (0.067 R)
• M2: 277,354 km (0.118 R)
• M3: 682,316 km (0.08 R)
• M4: 888,013 km (0.113 R)
• M5: 1,135,448 km (0.059 R)
• M6: 1,330,075 km (0.092 R)
• M7: 1,593,367 km (0.104 R)
• M8: 1,821,803 km (0.114 R)
• M9: 2,072,080 km (0.103 R)
• M10: 2,264,613 km (0.113 R)
• M11: 2,845,800 km (0.104 R)
• M12: 3,548,611 km (0.049 R)
• M13: 3,911,685 km (0.077 R)
• M14: 4,944,958 km (0.083 R)
• M15: 5,150,804 km (0.106 R)
• M16: 6,839,764 km (0.027 R)
• M17: 7,313,690 km (0.096 R)
• M18: 9,223,008 km (0.097 R)
• M19: 12,930,492 km (0.111 R)
• M20: 13,520,805 km (0.113 R)
• M21: 14,614,216 km (0.075 R)
• M22: 17,763,251 km (0.047 R)
• M23: 18,574,520 km (0.105 R)
• M24: 20,622,066 km (0.096 R)
• M25: 24,559,183 km (0.109 R)
• M26: 25,565,379 km (0.119 R)
• M27: 34,250,582 km (0.117 R)
• M28: 35,505,409 km (0.102 R)
• M29: 36,660,753 km (0.1 R)
• M30: 45,010,409 km (0.117 R)
• M31: 46,972,684 km (0.116 R)
• M32: 54,204,993 km (0.077 R)
• M33: 59,776,616 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.4

Radius: 4.2

Gravity: 41.46 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.99 AU - 8.67 AU

Year: 13460 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,724,573 km

• M1: 52,210 km (0.104 R)
• M2: 183,257 km (0.09 R)
• M3: 417,976 km (0.041 R)
• M4: 741,108 km (0.113 R)
• M5: 877,092 km (0.064 R)
• M6: 1,113,158 km (0.11 R)
• M7: 1,553,275 km (0.085 R)
• M8: 2,119,652 km (0.076 R)
• M9: 3,074,835 km (0.05 R)
• M10: 3,986,933 km (0.03 R)
• M11: 4,164,954 km (0.03 R)
• M12: 5,936,642 km (0.117 R)
• M13: 6,287,150 km (0.073 R)
• M14: 6,569,441 km (0.065 R)
• M15: 7,333,736 km (0.065 R)
• M16: 8,835,849 km (0.111 R)
• M17: 9,087,771 km (0.108 R)
• M18: 9,344,481 km (0.111 R)
• M19: 10,088,880 km (0.103 R)
• M20: 10,531,690 km (0.107 R)
• M21: 10,701,035 km (0.08 R)
• M22: 13,397,836 km (0.112 R)
• M23: 14,411,960 km (0.114 R)
• M24: 14,690,661 km (0.091 R)
• M25: 17,207,794 km (0.078 R)
• M26: 18,485,958 km (0.116 R)
• M27: 21,050,664 km (0.116 R)
• M28: 27,400,944 km (0.116 R)
• M29: 33,316,044 km (0.057 R)
• M30: 35,927,873 km (0.085 R)
• M31: 42,403,666 km (0.113 R)
• M32: 50,250,523 km (0.118 R)
• M33: 50,891,400 km (0.087 R)
• M34: 51,213,784 km (0.114 R)
• M35: 52,353,121 km (0.086 R)
• M36: 52,681,638 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 20,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit