🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 11.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 5.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,237,831 km

• M1: 148,999 km (0.079 R)
• M2: 537,356 km (0.069 R)
• M3: 1,224,907 km (0.106 R)
• M4: 1,629,121 km (0.099 R)
• M5: 2,010,745 km (0.065 R)
• M6: 2,547,353 km (0.112 R)
• M7: 2,912,072 km (0.115 R)
• M8: 3,760,142 km (0.109 R)
• M9: 4,336,094 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.5

Radius: 11.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.63 AU - 0.99 AU

Year: 494 Days

Day: 12 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,237,831 km

• M1: 143,016 km (0.115 R)
• M2: 587,920 km (0.05 R)
• M3: 1,302,698 km (0.09 R)
• M4: 2,033,035 km (0.062 R)
• M5: 2,861,358 km (0.109 R)
• M6: 3,767,772 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.2

Radius: 10.3

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.87 AU - 1.05 AU

Year: 638 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,237,831 km

• M1: 128,505 km (0.113 R)
• M2: 491,279 km (0.117 R)
• M3: 954,285 km (0.105 R)
• M4: 1,373,907 km (0.025 R)
• M5: 2,011,792 km (0.096 R)
• M6: 2,379,354 km (0.05 R)
• M7: 2,780,725 km (0.067 R)
• M8: 3,776,000 km (0.113 R)
• M9: 4,635,140 km (0.113 R)
• M10: 5,043,692 km (0.05 R)
• M11: 5,458,378 km (0.095 R)
• M12: 6,180,935 km (0.103 R)
• M13: 6,636,162 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.8

Radius: 15

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.69 AU - 3.47 AU

Year: 3666 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,237,831 km

• M1: 186,698 km (0.093 R)
• M2: 672,442 km (0.102 R)
• M3: 1,152,502 km (0.036 R)
• M4: 1,732,044 km (0.032 R)
• M5: 2,357,812 km (0.112 R)
• M6: 3,150,980 km (0.105 R)
• M7: 4,382,021 km (0.071 R)
• M8: 5,020,953 km (0.104 R)
• M9: 5,997,379 km (0.097 R)
• M10: 6,666,231 km (0.098 R)
• M11: 8,188,389 km (0.119 R)
• M12: 9,426,760 km (0.111 R)
• M13: 11,124,995 km (0.095 R)
• M14: 12,228,280 km (0.071 R)
• M15: 14,498,876 km (0.12 R)
• M16: 16,418,965 km (0.055 R)
• M17: 18,263,656 km (0.098 R)
• M18: 18,867,433 km (0.116 R)
• M19: 21,284,785 km (0.03 R)
• M20: 22,021,405 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 11.9

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.54 AU - 4.44 AU

Year: 5406 Days

Day: 9.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,237,831 km

• M1: 147,952 km (0.079 R)
• M2: 588,817 km (0.112 R)
• M3: 1,359,994 km (0.065 R)
• M4: 1,801,607 km (0.109 R)
• M5: 2,184,129 km (0.117 R)
• M6: 3,275,745 km (0.068 R)
• M7: 4,250,375 km (0.057 R)
• M8: 5,581,945 km (0.069 R)
• M9: 6,031,188 km (0.032 R)
• M10: 6,602,203 km (0.093 R)
• M11: 7,174,415 km (0.098 R)
• M12: 8,000,943 km (0.106 R)
• M13: 9,010,579 km (0.09 R)
• M14: 12,399,569 km (0.064 R)
• M15: 14,461,028 km (0.053 R)
• M16: 15,427,580 km (0.102 R)
• M17: 16,680,312 km (0.066 R)
• M18: 18,129,018 km (0.037 R)
• M19: 18,520,366 km (0.079 R)
• M20: 21,420,022 km (0.046 R)
• M21: 23,282,814 km (0.109 R)
• M22: 23,823,162 km (0.048 R)
• M23: 25,413,387 km (0.079 R)
• M24: 30,332,614 km (0.098 R)
• M25: 31,070,281 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.5

Radius: 12.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.63 AU - 5.05 AU

Year: 7222 Days

Day: 14.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 82,237,831 km

• M1: 158,125 km (0.066 R)
• M2: 556,953 km (0.115 R)
• M3: 1,041,650 km (0.114 R)
• M4: 1,692,850 km (0.076 R)
• M5: 2,090,331 km (0.105 R)
• M6: 2,622,301 km (0.092 R)
• M7: 3,099,967 km (0.075 R)
• M8: 3,501,488 km (0.11 R)
• M9: 4,257,705 km (0.089 R)
• M10: 4,894,244 km (0.098 R)
• M11: 5,294,269 km (0.115 R)
• M12: 5,904,030 km (0.098 R)
• M13: 6,560,016 km (0.071 R)
• M14: 7,710,723 km (0.085 R)
• M15: 10,977,941 km (0.071 R)
• M16: 12,125,506 km (0.101 R)
• M17: 13,796,963 km (0.103 R)
• M18: 14,252,189 km (0.11 R)
• M19: 17,394,343 km (0.101 R)
• M20: 18,813,129 km (0.108 R)
• M21: 19,373,523 km (0.081 R)
• M22: 25,862,480 km (0.114 R)
• M23: 26,643,082 km (0.103 R)
• M24: 29,265,682 km (0.073 R)
• M25: 30,591,418 km (0.049 R)
• M26: 33,057,838 km (0.089 R)
• M27: 34,913,749 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.3

Radius: 7.4

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.53 AU - 6.89 AU

Year: 11789 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,237,831 km

• M1: 94,097 km (0.118 R)
• M2: 378,931 km (0.09 R)
• M3: 872,754 km (0.042 R)
• M4: 1,546,543 km (0.092 R)
• M5: 2,370,378 km (0.067 R)
• M6: 2,634,419 km (0.063 R)
• M7: 4,548,673 km (0.113 R)
• M8: 5,043,393 km (0.118 R)
• M9: 12,709,985 km (0.077 R)
• M10: 16,803,132 km (0.037 R)
• M11: 19,996,598 km (0.073 R)
• M12: 21,395,188 km (0.08 R)
• M13: 22,936,346 km (0.069 R)
• M14: 23,332,929 km (0.1 R)
• M15: 28,638,119 km (0.094 R)
• M16: 32,357,122 km (0.089 R)
• M17: 33,360,176 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850

Radius: 4.5

Gravity: 41.98 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.8 AU - 8.24 AU

Year: 15405 Days

Day: 15.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 82,237,831 km

• M1: 70,012 km (0.085 R)
• M2: 244,293 km (0.083 R)
• M3: 469,737 km (0.09 R)
• M4: 682,615 km (0.108 R)
• M5: 827,575 km (0.1 R)
• M6: 969,843 km (0.096 R)
• M7: 1,141,432 km (0.09 R)
• M8: 1,661,883 km (0.074 R)
• M9: 1,909,467 km (0.11 R)
• M10: 2,522,968 km (0.105 R)
• M11: 3,793,054 km (0.078 R)
• M12: 4,034,804 km (0.078 R)
• M13: 5,363,084 km (0.114 R)
• M14: 5,784,800 km (0.11 R)
• M15: 9,487,347 km (0.117 R)
• M16: 10,160,687 km (0.086 R)
• M17: 13,728,896 km (0.093 R)
• M18: 14,883,791 km (0.081 R)
• M19: 15,333,034 km (0.116 R)
• M20: 15,484,876 km (0.086 R)
• M21: 16,337,583 km (0.108 R)
• M22: 20,152,778 km (0.113 R)
• M23: 24,212,715 km (0.101 R)
• M24: 27,202,428 km (0.059 R)
• M25: 29,132,540 km (0.117 R)
• M26: 29,835,051 km (0.097 R)
• M27: 33,517,702 km (0.085 R)
• M28: 34,288,879 km (0.077 R)
• M29: 39,734,840 km (0.08 R)
• M30: 46,518,954 km (0.074 R)
• M31: 50,099,878 km (0.066 R)
• M32: 50,434,229 km (0.11 R)
• M33: 57,804,468 km (0.117 R)
• M34: 60,034,822 km (0.118 R)
• M35: 60,411,959 km (0.119 R)
• M36: 61,361,905 km (0.05 R)
• M37: 61,936,660 km (0.099 R)
• M38: 64,468,754 km (0.058 R)
• M39: 66,261,684 km (0.118 R)
• M40: 67,678,825 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.9

Radius: 5.2

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.36 AU - 8.64 AU

Year: 16808 Days

Day: 25 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,237,831 km

• M1: 72,106 km (0.065 R)
• M2: 1,278,613 km (0.094 R)
• M3: 2,221,977 km (0.097 R)
• M4: 2,435,603 km (0.091 R)
• M5: 3,405,745 km (0.079 R)
• M6: 6,649,476 km (0.063 R)
• M7: 10,620,252 km (0.115 R)
• M8: 11,227,919 km (0.111 R)
• M9: 17,323,284 km (0.064 R)
• M10: 20,680,858 km (0.053 R)
• M11: 24,164,843 km (0.097 R)
• M12: 30,257,516 km (0.083 R)
• M13: 32,956,561 km (0.11 R)
• M14: 42,144,563 km (0.063 R)
• M15: 47,392,905 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920

Radius: 5.9

Gravity: 26.43 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.59 AU - 11.11 AU

Year: 19391 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,237,831 km

• M1: 73,303 km (0.03 R)
• M2: 289,322 km (0.075 R)
• M3: 477,068 km (0.11 R)
• M4: 720,912 km (0.098 R)
• M5: 1,181,075 km (0.115 R)
• M6: 1,551,031 km (0.091 R)
• M7: 1,763,609 km (0.092 R)
• M8: 2,015,682 km (0.096 R)
• M9: 3,274,398 km (0.074 R)
• M10: 4,617,637 km (0.109 R)
• M11: 6,930,271 km (0.092 R)
• M12: 7,461,194 km (0.047 R)
• M13: 8,879,082 km (0.085 R)
• M14: 11,165,985 km (0.065 R)
• M15: 14,425,573 km (0.115 R)
• M16: 15,775,245 km (0.112 R)
• M17: 17,909,707 km (0.048 R)
• M18: 18,815,074 km (0.112 R)
• M19: 21,210,884 km (0.066 R)
• M20: 21,814,810 km (0.057 R)
• M21: 23,588,143 km (0.077 R)
• M22: 24,674,972 km (0.063 R)
• M23: 26,598,501 km (0.089 R)
• M24: 28,864,012 km (0.095 R)
• M25: 35,575,122 km (0.083 R)
• M26: 36,714,160 km (0.058 R)
• M27: 37,877,283 km (0.084 R)
• M28: 53,621,113 km (0.115 R)
• M29: 59,771,829 km (0.035 R)
• M30: 63,222,903 km (0.073 R)
• M31: 66,162,949 km (0.025 R)
• M32: 72,994,635 km (0.053 R)
• M33: 76,228,343 km (0.118 R)
• M34: 80,281,548 km (0.095 R)
• M35: 81,991,601 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 14,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit