🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 9.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.02 AU - 1.5 AU

Year: 899 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,321,220 km

• M1: 117,734 km (0.07 R)
• M2: 431,440 km (0.082 R)
• M3: 888,312 km (0.063 R)
• M4: 1,704,518 km (0.1 R)
• M5: 2,352,277 km (0.104 R)
• M6: 2,642,048 km (0.118 R)
• M7: 3,032,498 km (0.039 R)
• M8: 3,400,958 km (0.062 R)
• M9: 3,696,863 km (0.118 R)
• M10: 4,780,101 km (0.08 R)
• M11: 5,662,579 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 10.5

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.09 AU - 1.49 AU

Year: 932 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,321,220 km

• M1: 130,898 km (0.104 R)
• M2: 524,041 km (0.073 R)
• M3: 858,991 km (0.091 R)
• M4: 1,307,635 km (0.062 R)
• M5: 1,682,378 km (0.111 R)
• M6: 2,266,408 km (0.036 R)
• M7: 2,776,985 km (0.086 R)
• M8: 3,334,836 km (0.089 R)
• M9: 4,030,017 km (0.039 R)
• M10: 4,604,024 km (0.071 R)
• M11: 7,098,868 km (0.098 R)
• M12: 7,584,163 km (0.112 R)
• M13: 8,812,511 km (0.069 R)
• M14: 9,899,041 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 8.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.76 AU - 2.1 AU

Year: 1705 Days

Day: 7.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,321,220 km

• M1: 105,766 km (0.117 R)
• M2: 505,342 km (0.092 R)
• M3: 815,757 km (0.077 R)
• M4: 1,107,473 km (0.035 R)
• M5: 1,381,088 km (0.108 R)
• M6: 1,717,384 km (0.064 R)
• M7: 2,031,090 km (0.099 R)
• M8: 2,775,639 km (0.117 R)
• M9: 3,107,597 km (0.063 R)
• M10: 3,662,305 km (0.091 R)
• M11: 4,062,629 km (0.064 R)
• M12: 4,777,558 km (0.07 R)
• M13: 6,104,341 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.5

Radius: 9.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.99 AU - 4.63 AU

Year: 4728 Days

Day: 14.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,321,220 km

• M1: 116,387 km (0.057 R)
• M2: 481,406 km (0.104 R)
• M3: 841,189 km (0.118 R)
• M4: 1,139,786 km (0.103 R)
• M5: 1,521,111 km (0.109 R)
• M6: 3,310,302 km (0.073 R)
• M7: 3,622,363 km (0.115 R)
• M8: 4,954,981 km (0.036 R)
• M9: 5,693,545 km (0.087 R)
• M10: 11,203,534 km (0.096 R)
• M11: 11,784,123 km (0.032 R)
• M12: 13,005,440 km (0.094 R)
• M13: 18,741,472 km (0.109 R)
• M14: 19,323,407 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.3

Radius: 9.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.67 AU - 7.13 AU

Year: 9112 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,321,220 km

• M1: 115,490 km (0.11 R)
• M2: 408,552 km (0.103 R)
• M3: 1,050,925 km (0.087 R)
• M4: 3,072,890 km (0.07 R)
• M5: 3,551,154 km (0.096 R)
• M6: 5,175,488 km (0.108 R)
• M7: 5,463,613 km (0.072 R)
• M8: 6,040,612 km (0.108 R)
• M9: 6,458,439 km (0.1 R)
• M10: 7,316,084 km (0.065 R)
• M11: 7,979,401 km (0.119 R)
• M12: 8,641,970 km (0.099 R)
• M13: 9,048,726 km (0.099 R)
• M14: 11,421,199 km (0.088 R)
• M15: 16,167,491 km (0.082 R)
• M16: 17,677,382 km (0.075 R)
• M17: 24,987,931 km (0.112 R)
• M18: 30,128,413 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.1

Radius: 3.2

Gravity: 90.05 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.92 AU - 6.76 AU

Year: 10150 Days

Day: 19.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,321,220 km

• M1: 41,289 km (0.114 R)
• M2: 159,920 km (0.109 R)
• M3: 266,883 km (0.077 R)
• M4: 632,201 km (0.088 R)
• M5: 967,749 km (0.064 R)
• M6: 1,383,332 km (0.097 R)
• M7: 1,839,755 km (0.055 R)
• M8: 1,941,930 km (0.04 R)
• M9: 3,183,891 km (0.106 R)
• M10: 4,082,526 km (0.064 R)
• M11: 4,376,037 km (0.08 R)
• M12: 4,652,045 km (0.089 R)
• M13: 5,137,789 km (0.098 R)
• M14: 7,250,859 km (0.075 R)
• M15: 8,311,059 km (0.104 R)
• M16: 8,974,975 km (0.025 R)
• M17: 9,319,947 km (0.101 R)
• M18: 12,343,320 km (0.077 R)
• M19: 14,912,514 km (0.06 R)
• M20: 20,394,528 km (0.103 R)
• M21: 23,027,301 km (0.101 R)
• M22: 24,902,959 km (0.052 R)
• M23: 25,582,732 km (0.091 R)
• M24: 26,575,164 km (0.067 R)
• M25: 28,007,414 km (0.078 R)
• M26: 32,726,629 km (0.117 R)
• M27: 32,842,268 km (0.117 R)
• M28: 36,191,914 km (0.027 R)
• M29: 37,567,765 km (0.057 R)
• M30: 38,204,603 km (0.11 R)
• M31: 40,556,581 km (0.067 R)
• M32: 40,957,803 km (0.098 R)
• M33: 41,632,190 km (0.099 R)
• M34: 45,835,142 km (0.1 R)
• M35: 51,085,578 km (0.088 R)
• M36: 52,656,057 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.5

Radius: 7.6

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.91 AU - 8.41 AU

Year: 12182 Days

Day: 18.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,321,220 km

• M1: 94,845 km (0.101 R)
• M2: 464,651 km (0.048 R)
• M3: 1,123,929 km (0.112 R)
• M4: 1,377,198 km (0.117 R)
• M5: 1,653,206 km (0.097 R)
• M6: 2,338,514 km (0.116 R)
• M7: 2,846,399 km (0.057 R)
• M8: 3,582,271 km (0.067 R)
• M9: 5,149,009 km (0.117 R)
• M10: 6,834,229 km (0.049 R)
• M11: 8,005,880 km (0.077 R)
• M12: 9,458,625 km (0.084 R)
• M13: 9,874,058 km (0.085 R)
• M14: 10,741,127 km (0.083 R)
• M15: 11,658,162 km (0.103 R)
• M16: 13,130,056 km (0.114 R)
• M17: 13,778,562 km (0.072 R)
• M18: 15,139,155 km (0.095 R)
• M19: 18,847,387 km (0.071 R)
• M20: 19,839,969 km (0.111 R)
• M21: 21,129,203 km (0.09 R)
• M22: 24,643,706 km (0.114 R)
• M23: 25,529,774 km (0.082 R)
• M24: 26,031,077 km (0.072 R)
• M25: 26,538,961 km (0.067 R)
• M26: 27,053,429 km (0.065 R)
• M27: 27,469,759 km (0.104 R)
• M28: 29,726,144 km (0.052 R)
• M29: 30,955,988 km (0.113 R)
• M30: 32,335,879 km (0.089 R)
• M31: 37,746,984 km (0.106 R)
• M32: 39,721,376 km (0.083 R)
• M33: 46,649,852 km (0.09 R)
• M34: 49,384,651 km (0.12 R)
• M35: 53,684,542 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.3

Radius: 7.8

Gravity: 15.65 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.46 AU - 9.56 AU

Year: 15784 Days

Day: 24.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,321,220 km

• M1: 99,782 km (0.052 R)
• M2: 498,610 km (0.108 R)
• M3: 837,150 km (0.098 R)
• M4: 1,603,240 km (0.087 R)
• M5: 3,765,678 km (0.081 R)
• M6: 5,236,225 km (0.101 R)
• M7: 5,539,908 km (0.116 R)
• M8: 7,908,192 km (0.082 R)
• M9: 9,204,757 km (0.072 R)
• M10: 9,704,414 km (0.119 R)
• M11: 10,458,088 km (0.106 R)
• M12: 11,187,677 km (0.091 R)
• M13: 11,821,373 km (0.057 R)
• M14: 13,794,270 km (0.088 R)
• M15: 14,671,362 km (0.054 R)
• M16: 15,507,614 km (0.077 R)
• M17: 18,905,730 km (0.072 R)
• M18: 20,449,730 km (0.048 R)
• M19: 22,075,859 km (0.047 R)
• M20: 23,580,813 km (0.093 R)
• M21: 24,939,311 km (0.076 R)
• M22: 26,793,577 km (0.059 R)
• M23: 27,697,148 km (0.098 R)
• M24: 29,445,947 km (0.057 R)
• M25: 29,804,384 km (0.031 R)
• M26: 36,351,385 km (0.105 R)
• M27: 37,318,685 km (0.12 R)
• M28: 38,445,157 km (0.103 R)
• M29: 45,843,819 km (0.12 R)
• M30: 47,790,087 km (0.059 R)
• M31: 51,500,563 km (0.043 R)
• M32: 53,248,764 km (0.089 R)
• M33: 54,316,593 km (0.107 R)
• M34: 63,576,552 km (0.047 R)
• M35: 70,372,484 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.4

Radius: 3.4

Gravity: 67.85 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 9.15 AU - 11.71 AU

Year: 21417 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,321,220 km

• M1: 42,486 km (0.119 R)
• M2: 162,463 km (0.092 R)
• M3: 504,145 km (0.109 R)
• M4: 881,580 km (0.114 R)
• M5: 990,936 km (0.106 R)
• M6: 1,164,919 km (0.085 R)
• M7: 1,774,231 km (0.037 R)
• M8: 2,359,009 km (0.109 R)
• M9: 2,981,037 km (0.081 R)
• M10: 3,491,913 km (0.12 R)
• M11: 5,452,543 km (0.066 R)
• M12: 5,908,817 km (0.061 R)
• M13: 9,309,924 km (0.045 R)
• M14: 9,900,088 km (0.106 R)
• M15: 14,356,309 km (0.095 R)
• M16: 17,320,591 km (0.107 R)
• M17: 26,343,587 km (0.109 R)
• M18: 30,355,353 km (0.117 R)
• M19: 51,729,448 km (0.053 R)
• M20: 59,546,535 km (0.099 R)
• M21: 63,005,986 km (0.113 R)
• M22: 81,092,817 km (0.078 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: 381 - 14,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit