🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.54 AU - 0.6 AU

Year: 274 Days

Day: 44.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 12

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.71 AU - 0.95 AU

Year: 481 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,072,888 km

• M1: 149,299 km (0.089 R)
• M2: 445,951 km (0.084 R)
• M3: 768,783 km (0.082 R)
• M4: 1,024,745 km (0.119 R)
• M5: 1,330,523 km (0.112 R)
• M6: 1,714,392 km (0.049 R)
• M7: 2,093,622 km (0.106 R)
• M8: 2,333,128 km (0.042 R)
• M9: 2,643,843 km (0.073 R)
• M10: 3,126,296 km (0.103 R)
• M11: 3,789,015 km (0.11 R)
• M12: 4,208,188 km (0.099 R)
• M13: 4,573,207 km (0.078 R)
• M14: 4,953,784 km (0.101 R)
• M15: 5,231,886 km (0.073 R)
• M16: 5,639,391 km (0.075 R)
• M17: 5,986,608 km (0.099 R)
• M18: 6,686,576 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.3

Radius: 10.8

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.32 AU - 1.6 AU

Year: 1122 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,072,888 km

• M1: 135,236 km (0.081 R)
• M2: 338,390 km (0.078 R)
• M3: 575,503 km (0.086 R)
• M4: 805,585 km (0.062 R)
• M5: 1,240,914 km (0.108 R)
• M6: 1,503,159 km (0.057 R)
• M7: 1,836,912 km (0.084 R)
• M8: 2,073,277 km (0.098 R)
• M9: 2,539,723 km (0.077 R)
• M10: 2,886,042 km (0.113 R)
• M11: 3,149,334 km (0.056 R)
• M12: 3,523,179 km (0.051 R)
• M13: 3,776,000 km (0.109 R)
• M14: 3,984,838 km (0.066 R)
• M15: 4,336,543 km (0.099 R)
• M16: 4,732,529 km (0.109 R)
• M17: 5,071,069 km (0.107 R)
• M18: 5,329,125 km (0.095 R)
• M19: 6,092,972 km (0.106 R)
• M20: 6,443,629 km (0.075 R)
• M21: 7,373,380 km (0.103 R)
• M22: 8,937,426 km (0.101 R)
• M23: 9,444,712 km (0.104 R)
• M24: 10,372,069 km (0.077 R)
• M25: 11,275,790 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.2

Radius: 8.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.83 AU - 2.89 AU

Year: 2305 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 60.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,072,888 km

• M1: 115,340 km (0.117 R)
• M2: 288,275 km (0.106 R)
• M3: 670,498 km (0.119 R)
• M4: 1,006,794 km (0.096 R)
• M5: 1,545,944 km (0.087 R)
• M6: 1,747,602 km (0.084 R)
• M7: 3,235,802 km (0.118 R)
• M8: 4,244,540 km (0.029 R)
• M9: 4,702,459 km (0.096 R)
• M10: 4,963,957 km (0.05 R)
• M11: 5,232,485 km (0.1 R)
• M12: 5,475,581 km (0.108 R)
• M13: 6,220,878 km (0.086 R)
• M14: 6,629,729 km (0.092 R)
• M15: 7,296,337 km (0.115 R)
• M16: 8,356,986 km (0.119 R)
• M17: 8,540,842 km (0.066 R)
• M18: 8,851,706 km (0.054 R)
• M19: 9,232,283 km (0.075 R)
• M20: 9,425,713 km (0.099 R)
• M21: 10,975,098 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.9

Radius: 14.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.71 AU - 4.33 AU

Year: 4199 Days

Day: 11.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,072,888 km

• M1: 249,679 km (0.036 R)
• M2: 551,717 km (0.099 R)
• M3: 955,033 km (0.091 R)
• M4: 1,744,610 km (0.025 R)
• M5: 2,030,791 km (0.11 R)
• M6: 2,434,257 km (0.092 R)
• M7: 3,944,297 km (0.037 R)
• M8: 4,843,829 km (0.12 R)
• M9: 5,964,766 km (0.059 R)
• M10: 6,770,201 km (0.113 R)
• M11: 7,800,183 km (0.098 R)
• M12: 8,358,183 km (0.077 R)
• M13: 8,843,329 km (0.05 R)
• M14: 9,953,494 km (0.043 R)
• M15: 10,483,220 km (0.092 R)
• M16: 11,269,208 km (0.108 R)
• M17: 12,484,242 km (0.064 R)
• M18: 13,002,748 km (0.064 R)
• M19: 14,822,157 km (0.068 R)
• M20: 15,922,001 km (0.112 R)
• M21: 17,975,531 km (0.034 R)
• M22: 18,913,509 km (0.04 R)
• M23: 20,672,032 km (0.1 R)
• M24: 24,580,576 km (0.114 R)
• M25: 25,047,471 km (0.118 R)
• M26: 25,835,552 km (0.08 R)
• M27: 26,367,672 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 10.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.56 AU - 4.48 AU

Year: 5125 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,072,888 km

• M1: 667,057 km (0.106 R)
• M2: 1,242,111 km (0.032 R)
• M3: 1,926,671 km (0.087 R)
• M4: 2,261,621 km (0.106 R)
• M5: 2,511,449 km (0.039 R)
• M6: 3,070,795 km (0.105 R)
• M7: 4,239,005 km (0.116 R)
• M8: 4,452,781 km (0.113 R)
• M9: 5,243,256 km (0.045 R)
• M10: 6,807,002 km (0.047 R)
• M11: 8,398,424 km (0.094 R)
• M12: 9,195,183 km (0.107 R)
• M13: 10,325,544 km (0.07 R)
• M14: 11,698,703 km (0.114 R)
• M15: 12,163,803 km (0.072 R)
• M16: 14,547,047 km (0.065 R)
• M17: 14,905,034 km (0.104 R)
• M18: 15,267,510 km (0.11 R)
• M19: 16,718,609 km (0.064 R)
• M20: 20,566,566 km (0.081 R)
• M21: 21,808,976 km (0.102 R)
• M22: 23,589,639 km (0.11 R)
• M23: 24,352,289 km (0.093 R)
• M24: 26,126,221 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.3

Radius: 3.3

Gravity: 89.47 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.07 AU - 6.11 AU

Year: 9556 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 79,072,888 km

• M1: 48,619 km (0.097 R)
• M2: 319,541 km (0.12 R)
• M3: 673,340 km (0.041 R)
• M4: 1,021,753 km (0.089 R)
• M5: 1,771,987 km (0.111 R)
• M6: 2,389,676 km (0.063 R)
• M7: 2,639,654 km (0.1 R)
• M8: 3,229,070 km (0.094 R)
• M9: 3,907,048 km (0.078 R)
• M10: 4,557,798 km (0.027 R)
• M11: 5,628,620 km (0.107 R)
• M12: 5,697,285 km (0.111 R)
• M13: 6,850,984 km (0.108 R)
• M14: 7,002,826 km (0.111 R)
• M15: 7,786,569 km (0.049 R)
• M16: 10,203,772 km (0.105 R)
• M17: 10,342,449 km (0.077 R)
• M18: 11,002,325 km (0.087 R)
• M19: 11,194,708 km (0.118 R)
• M20: 11,339,967 km (0.106 R)
• M21: 12,130,891 km (0.099 R)
• M22: 14,997,935 km (0.07 R)
• M23: 15,109,983 km (0.118 R)
• M24: 20,192,870 km (0.07 R)
• M25: 21,045,428 km (0.098 R)
• M26: 21,244,693 km (0.095 R)
• M27: 21,780,702 km (0.12 R)
• M28: 22,119,092 km (0.115 R)
• M29: 22,255,077 km (0.098 R)
• M30: 23,428,672 km (0.083 R)
• M31: 25,209,186 km (0.119 R)
• M32: 25,354,446 km (0.045 R)
• M33: 26,087,176 km (0.119 R)
• M34: 27,811,740 km (0.107 R)
• M35: 30,862,639 km (0.092 R)
• M36: 31,996,591 km (0.091 R)
• M37: 34,156,784 km (0.084 R)
• M38: 34,835,659 km (0.079 R)
• M39: 35,607,435 km (0.079 R)
• M40: 36,737,198 km (0.114 R)
• M41: 43,504,258 km (0.097 R)
• M42: 43,790,738 km (0.106 R)
• M43: 44,078,115 km (0.078 R)
• M44: 48,199,836 km (0.119 R)
• M45: 50,329,810 km (0.101 R)
• M46: 50,740,755 km (0.106 R)
• M47: 51,463,911 km (0.025 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.3

Radius: 4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.96 AU - 7.52 AU

Year: 9911 Days

Day: 15.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,072,888 km

• M1: 185,053 km (0.087 R)
• M2: 1,018,163 km (0.086 R)
• M3: 1,207,554 km (0.103 R)
• M4: 2,699,643 km (0.094 R)
• M5: 2,790,299 km (0.06 R)
• M6: 2,913,419 km (0.077 R)
• M7: 4,740,757 km (0.085 R)
• M8: 5,064,935 km (0.026 R)
• M9: 5,878,149 km (0.1 R)
• M10: 6,079,657 km (0.097 R)
• M11: 7,586,407 km (0.119 R)
• M12: 9,770,237 km (0.104 R)
• M13: 10,205,118 km (0.081 R)
• M14: 12,007,922 km (0.089 R)
• M15: 13,515,569 km (0.104 R)
• M16: 15,291,745 km (0.071 R)
• M17: 18,973,648 km (0.115 R)
• M18: 21,111,252 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.8

Radius: 4.1

Gravity: 36.51 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.33 AU - 7.69 AU

Year: 13086 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,072,888 km

• M1: 298,897 km (0.065 R)
• M2: 1,820,756 km (0.115 R)
• M3: 1,941,332 km (0.107 R)
• M4: 2,087,189 km (0.118 R)
• M5: 2,847,147 km (0.087 R)
• M6: 4,474,622 km (0.096 R)
• M7: 7,776,845 km (0.072 R)
• M8: 10,263,760 km (0.056 R)
• M9: 17,745,599 km (0.111 R)
• M10: 20,334,988 km (0.105 R)
• M11: 20,536,197 km (0.074 R)
• M12: 25,366,413 km (0.068 R)
• M13: 26,884,233 km (0.11 R)
• M14: 27,581,659 km (0.096 R)
• M15: 27,973,007 km (0.095 R)
• M16: 28,446,185 km (0.118 R)
• M17: 39,769,996 km (0.094 R)
• M18: 42,146,507 km (0.03 R)
• M19: 46,092,450 km (0.119 R)
• M20: 55,285,090 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.9

Radius: 7.5

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.62 AU - 11.8 AU

Year: 19238 Days

Day: 19.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,072,888 km

• M1: 323,580 km (0.079 R)
• M2: 1,448,706 km (0.063 R)
• M3: 1,966,314 km (0.074 R)
• M4: 2,243,519 km (0.081 R)
• M5: 3,284,122 km (0.118 R)
• M6: 4,307,671 km (0.114 R)
• M7: 6,919,949 km (0.078 R)
• M8: 11,618,219 km (0.066 R)
• M9: 13,695,535 km (0.073 R)
• M10: 15,175,956 km (0.085 R)
• M11: 19,289,149 km (0.074 R)
• M12: 21,696,478 km (0.071 R)
• M13: 23,897,811 km (0.095 R)
• M14: 25,753,722 km (0.109 R)
• M15: 27,679,346 km (0.099 R)
• M16: 35,653,062 km (0.108 R)
• M17: 38,793,271 km (0.088 R)
• M18: 48,267,753 km (0.075 R)
• M19: 51,146,914 km (0.026 R)
• M20: 51,911,808 km (0.032 R)
• M21: 58,235,160 km (0.093 R)
• M22: 61,812,344 km (0.103 R)
• M23: 65,928,230 km (0.065 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 17,088 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit