🌌 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: 437.4

Radius: 12.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.66 AU - 0.76 AU

Year: 380 Days

Day: 14.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,319,641 km

• M1: 153,039 km (0.089 R)
• M2: 595,400 km (0.066 R)
• M3: 1,123,480 km (0.089 R)
• M4: 1,888,075 km (0.103 R)
• M5: 2,534,936 km (0.115 R)
• M6: 3,065,410 km (0.091 R)
• M7: 3,843,917 km (0.087 R)
• M8: 4,601,032 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.4

Radius: 13.6

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.66 AU - 1.1 AU

Year: 525 Days

Day: 5.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,319,641 km

• M1: 169,195 km (0.119 R)
• M2: 687,402 km (0.11 R)
• M3: 1,296,714 km (0.067 R)
• M4: 1,724,714 km (0.096 R)
• M5: 2,161,988 km (0.089 R)
• M6: 2,704,580 km (0.082 R)
• M7: 3,279,335 km (0.078 R)
• M8: 3,830,603 km (0.079 R)
• M9: 5,971,797 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 13.6

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.36 AU - 2.52 AU

Year: 2423 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,319,641 km

• M1: 169,345 km (0.044 R)
• M2: 727,644 km (0.041 R)
• M3: 1,759,869 km (0.06 R)
• M4: 2,516,236 km (0.065 R)
• M5: 3,214,858 km (0.083 R)
• M6: 3,672,628 km (0.072 R)
• M7: 4,291,813 km (0.046 R)
• M8: 5,001,954 km (0.105 R)
• M9: 6,187,518 km (0.117 R)
• M10: 6,711,409 km (0.075 R)
• M11: 8,494,915 km (0.09 R)
• M12: 8,978,266 km (0.097 R)
• M13: 9,445,909 km (0.03 R)
• M14: 10,797,974 km (0.103 R)
• M15: 11,520,682 km (0.091 R)
• M16: 12,356,784 km (0.058 R)
• M17: 12,936,476 km (0.104 R)
• M18: 14,329,681 km (0.118 R)
• M19: 16,307,215 km (0.091 R)
• M20: 17,055,803 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 11.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.28 AU - 5.22 AU

Year: 6582 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,319,641 km

• M1: 139,276 km (0.079 R)
• M2: 498,460 km (0.06 R)
• M3: 861,085 km (0.09 R)
• M4: 1,268,740 km (0.069 R)
• M5: 2,076,718 km (0.107 R)
• M6: 2,684,235 km (0.113 R)
• M7: 3,240,439 km (0.114 R)
• M8: 8,975,872 km (0.117 R)
• M9: 9,478,521 km (0.096 R)
• M10: 11,777,392 km (0.092 R)
• M11: 15,115,818 km (0.106 R)
• M12: 18,165,370 km (0.045 R)
• M13: 18,632,116 km (0.043 R)
• M14: 20,436,266 km (0.103 R)
• M15: 21,160,320 km (0.086 R)
• M16: 24,875,882 km (0.026 R)
• M17: 26,036,612 km (0.093 R)
• M18: 32,484,729 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132

Radius: 8.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.46 AU - 5.04 AU

Year: 6582 Days

Day: 12.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,319,641 km

• M1: 104,419 km (0.094 R)
• M2: 403,615 km (0.115 R)
• M3: 938,278 km (0.11 R)
• M4: 1,294,022 km (0.044 R)
• M5: 1,978,731 km (0.115 R)
• M6: 2,482,577 km (0.09 R)
• M7: 3,069,449 km (0.089 R)
• M8: 3,629,693 km (0.103 R)
• M9: 4,213,873 km (0.102 R)
• M10: 4,652,195 km (0.066 R)
• M11: 5,646,123 km (0.08 R)
• M12: 5,962,223 km (0.077 R)
• M13: 6,515,286 km (0.105 R)
• M14: 11,724,434 km (0.044 R)
• M15: 15,453,011 km (0.101 R)
• M16: 16,073,094 km (0.09 R)
• M17: 16,389,344 km (0.094 R)
• M18: 16,656,077 km (0.089 R)
• M19: 18,604,590 km (0.09 R)
• M20: 19,783,870 km (0.046 R)
• M21: 20,086,357 km (0.099 R)
• M22: 20,514,954 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.3

Radius: 14.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.46 AU - 5.82 AU

Year: 7409 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,319,641 km

• M1: 183,257 km (0.074 R)
• M2: 654,191 km (0.086 R)
• M3: 1,173,894 km (0.069 R)
• M4: 3,154,720 km (0.115 R)
• M5: 3,731,120 km (0.034 R)
• M6: 4,256,807 km (0.11 R)
• M7: 5,573,418 km (0.117 R)
• M8: 6,358,209 km (0.115 R)
• M9: 7,530,009 km (0.088 R)
• M10: 8,413,833 km (0.075 R)
• M11: 10,745,316 km (0.082 R)
• M12: 11,674,019 km (0.08 R)
• M13: 12,605,266 km (0.051 R)
• M14: 13,585,581 km (0.114 R)
• M15: 14,449,958 km (0.069 R)
• M16: 16,169,435 km (0.08 R)
• M17: 17,640,581 km (0.074 R)
• M18: 21,779,505 km (0.111 R)
• M19: 22,888,624 km (0.085 R)
• M20: 24,112,933 km (0.118 R)
• M21: 25,059,588 km (0.09 R)
• M22: 25,542,041 km (0.056 R)
• M23: 26,692,150 km (0.091 R)
• M24: 27,364,592 km (0.06 R)
• M25: 29,007,177 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.9

Radius: 4.4

Gravity: 18.59 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.04 AU - 8.2 AU

Year: 10830 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,319,641 km

• M1: 60,138 km (0.095 R)
• M2: 247,884 km (0.06 R)
• M3: 416,032 km (0.035 R)
• M4: 977,921 km (0.1 R)
• M5: 1,440,179 km (0.08 R)
• M6: 1,669,961 km (0.11 R)
• M7: 1,877,154 km (0.061 R)
• M8: 2,760,679 km (0.097 R)
• M9: 3,051,198 km (0.1 R)
• M10: 3,454,215 km (0.096 R)
• M11: 3,766,575 km (0.067 R)
• M12: 4,123,965 km (0.047 R)
• M13: 4,876,442 km (0.115 R)
• M14: 5,055,361 km (0.038 R)
• M15: 6,468,911 km (0.095 R)
• M16: 6,648,728 km (0.119 R)
• M17: 7,718,203 km (0.093 R)
• M18: 7,920,609 km (0.081 R)
• M19: 8,126,456 km (0.102 R)
• M20: 9,346,127 km (0.062 R)
• M21: 9,576,208 km (0.093 R)
• M22: 10,288,743 km (0.088 R)
• M23: 10,435,499 km (0.047 R)
• M24: 10,934,408 km (0.071 R)
• M25: 14,757,531 km (0.086 R)
• M26: 15,901,057 km (0.088 R)
• M27: 17,795,265 km (0.067 R)
• M28: 18,148,765 km (0.083 R)
• M29: 26,236,175 km (0.084 R)
• M30: 29,750,080 km (0.079 R)
• M31: 30,549,082 km (0.111 R)
• M32: 35,645,283 km (0.117 R)
• M33: 37,577,938 km (0.067 R)

Asteroid Belt

Center: 6.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.3

Radius: 6.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.77 AU - 7.55 AU

Year: 12182 Days

Day: 23 Hours

Environment

Temp: -219 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,319,641 km

• M1: 82,428 km (0.119 R)
• M2: 360,680 km (0.088 R)
• M3: 594,951 km (0.093 R)
• M4: 968,197 km (0.094 R)
• M5: 1,525,749 km (0.117 R)
• M6: 2,182,633 km (0.102 R)
• M7: 2,655,213 km (0.094 R)
• M8: 3,133,028 km (0.091 R)
• M9: 3,403,352 km (0.089 R)
• M10: 4,062,779 km (0.12 R)
• M11: 5,753,684 km (0.099 R)
• M12: 6,288,945 km (0.073 R)
• M13: 7,030,352 km (0.092 R)
• M14: 7,278,086 km (0.075 R)
• M15: 8,605,318 km (0.087 R)
• M16: 9,474,931 km (0.084 R)
• M17: 10,401,839 km (0.104 R)
• M18: 10,723,774 km (0.109 R)
• M19: 11,631,384 km (0.106 R)
• M20: 14,375,907 km (0.082 R)
• M21: 14,603,295 km (0.099 R)
• M22: 15,418,604 km (0.095 R)
• M23: 16,263,682 km (0.113 R)
• M24: 16,572,901 km (0.104 R)
• M25: 17,266,885 km (0.062 R)
• M26: 21,768,884 km (0.113 R)
• M27: 23,453,954 km (0.106 R)
• M28: 25,224,295 km (0.03 R)
• M29: 29,028,569 km (0.055 R)
• M30: 31,734,795 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.4

Radius: 7.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.6 AU - 9.86 AU

Year: 16400 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,319,641 km

• M1: 95,743 km (0.099 R)
• M2: 439,967 km (0.081 R)
• M3: 781,798 km (0.095 R)
• M4: 1,201,420 km (0.08 R)
• M5: 1,748,949 km (0.099 R)
• M6: 2,549,896 km (0.049 R)
• M7: 4,580,687 km (0.093 R)
• M8: 4,913,243 km (0.03 R)
• M9: 5,392,704 km (0.036 R)
• M10: 7,058,925 km (0.03 R)
• M11: 8,902,868 km (0.106 R)
• M12: 11,756,897 km (0.093 R)
• M13: 13,758,965 km (0.063 R)
• M14: 14,071,325 km (0.06 R)
• M15: 15,302,067 km (0.084 R)
• M16: 16,602,970 km (0.082 R)
• M17: 17,680,823 km (0.025 R)
• M18: 20,215,011 km (0.111 R)
• M19: 21,028,524 km (0.105 R)
• M20: 23,245,265 km (0.075 R)
• M21: 24,776,100 km (0.106 R)
• M22: 26,758,571 km (0.059 R)
• M23: 29,151,090 km (0.108 R)
• M24: 29,459,710 km (0.086 R)
• M25: 31,574,127 km (0.1 R)
• M26: 31,899,801 km (0.103 R)
• M27: 33,449,186 km (0.109 R)
• M28: 38,521,003 km (0.1 R)
• M29: 44,082,753 km (0.068 R)
• M30: 46,002,841 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.7

Radius: 3.5

Gravity: 72.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.69 AU - 10.59 AU

Year: 20530 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 84,319,641 km

• M1: 43,982 km (0.106 R)
• M2: 216,169 km (0.091 R)
• M3: 357,389 km (0.053 R)
• M4: 697,724 km (0.026 R)
• M5: 892,800 km (0.089 R)
• M6: 1,252,733 km (0.048 R)
• M7: 1,392,158 km (0.114 R)
• M8: 1,559,259 km (0.107 R)
• M9: 1,796,222 km (0.068 R)
• M10: 2,077,765 km (0.088 R)
• M11: 2,702,785 km (0.097 R)
• M12: 3,269,013 km (0.1 R)
• M13: 3,444,341 km (0.064 R)
• M14: 4,704,554 km (0.071 R)
• M15: 5,518,516 km (0.1 R)
• M16: 6,422,087 km (0.105 R)
• M17: 8,300,288 km (0.073 R)
• M18: 8,905,561 km (0.106 R)
• M19: 9,190,096 km (0.109 R)
• M20: 9,598,798 km (0.079 R)
• M21: 10,080,503 km (0.119 R)
• M22: 13,611,013 km (0.049 R)
• M23: 13,988,598 km (0.111 R)
• M24: 17,002,396 km (0.066 R)
• M25: 21,826,778 km (0.11 R)
• M26: 22,552,777 km (0.115 R)
• M27: 31,368,579 km (0.038 R)
• M28: 33,506,632 km (0.083 R)
• M29: 34,611,263 km (0.1 R)
• M30: 34,750,987 km (0.111 R)
• M31: 37,625,959 km (0.054 R)
• M32: 44,997,394 km (0.116 R)
• M33: 47,365,827 km (0.105 R)
• M34: 54,777,654 km (0.063 R)
• M35: 55,923,274 km (0.069 R)
• M36: 58,262,088 km (0.055 R)
• M37: 59,255,567 km (0.05 R)
• M38: 64,816,120 km (0.101 R)
• M39: 66,097,276 km (0.114 R)
• M40: 67,177,672 km (0.111 R)
• M41: 67,395,187 km (0.1 R)
• M42: 72,528,189 km (0.092 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 17,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit