🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 9.3

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.85 AU - 1.27 AU

Year: 728 Days

Day: 15 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,614,064 km

• M1: 115,789 km (0.117 R)
• M2: 453,730 km (0.085 R)
• M3: 1,265,748 km (0.09 R)
• M4: 1,708,108 km (0.086 R)
• M5: 2,224,371 km (0.115 R)
• M6: 2,820,518 km (0.058 R)
• M7: 3,243,282 km (0.098 R)
• M8: 3,631,788 km (0.057 R)
• M9: 4,517,407 km (0.045 R)
• M10: 4,925,061 km (0.097 R)
• M11: 5,901,935 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330

Radius: 14

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.03 AU - 1.11 AU

Year: 738 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,614,064 km

• M1: 174,132 km (0.087 R)
• M2: 647,609 km (0.089 R)
• M3: 1,121,685 km (0.092 R)
• M4: 1,845,888 km (0.061 R)
• M5: 2,382,196 km (0.106 R)
• M6: 3,067,504 km (0.114 R)
• M7: 3,633,433 km (0.107 R)
• M8: 4,297,348 km (0.076 R)
• M9: 5,521,059 km (0.09 R)
• M10: 6,013,236 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897

Radius: 14.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.26 AU - 1.54 AU

Year: 1105 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,614,064 km

• M1: 184,155 km (0.105 R)
• M2: 680,820 km (0.096 R)
• M3: 1,142,629 km (0.112 R)
• M4: 1,761,066 km (0.062 R)
• M5: 2,515,787 km (0.104 R)
• M6: 3,586,609 km (0.113 R)
• M7: 4,511,573 km (0.08 R)
• M8: 5,739,622 km (0.081 R)
• M9: 6,225,665 km (0.072 R)
• M10: 6,957,498 km (0.083 R)
• M11: 8,258,401 km (0.055 R)
• M12: 8,736,067 km (0.109 R)
• M13: 10,801,565 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 15

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.64 AU - 2.64 AU

Year: 2088 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,614,064 km

• M1: 189,989 km (0.096 R)
• M2: 702,063 km (0.119 R)
• M3: 1,333,366 km (0.079 R)
• M4: 2,258,180 km (0.107 R)
• M5: 2,735,547 km (0.077 R)
• M6: 3,452,420 km (0.085 R)
• M7: 4,329,512 km (0.112 R)
• M8: 5,481,266 km (0.094 R)
• M9: 5,977,482 km (0.09 R)
• M10: 6,982,780 km (0.107 R)
• M11: 7,594,635 km (0.104 R)
• M12: 8,594,547 km (0.073 R)
• M13: 10,040,111 km (0.092 R)
• M14: 11,900,810 km (0.049 R)
• M15: 13,209,791 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.9

Radius: 11.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.14 AU - 2.26 AU

Year: 2176 Days

Day: 7.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,614,064 km

• M1: 160,818 km (0.048 R)
• M2: 557,402 km (0.063 R)
• M3: 1,581,848 km (0.066 R)
• M4: 2,004,163 km (0.088 R)
• M5: 2,477,042 km (0.113 R)
• M6: 3,553,548 km (0.043 R)
• M7: 4,108,706 km (0.046 R)
• M8: 4,624,519 km (0.095 R)
• M9: 5,457,779 km (0.093 R)
• M10: 6,013,236 km (0.053 R)
• M11: 6,955,104 km (0.077 R)
• M12: 7,689,929 km (0.09 R)
• M13: 8,132,739 km (0.118 R)
• M14: 10,540,217 km (0.092 R)
• M15: 11,510,060 km (0.073 R)
• M16: 12,350,351 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.2

Radius: 11.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.08 AU - 2.56 AU

Year: 2356 Days

Day: 6 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,614,064 km

• M1: 147,952 km (0.081 R)
• M2: 866,471 km (0.097 R)
• M3: 1,256,772 km (0.114 R)
• M4: 2,110,676 km (0.103 R)
• M5: 2,511,299 km (0.08 R)
• M6: 3,423,398 km (0.094 R)
• M7: 3,931,282 km (0.072 R)
• M8: 4,599,686 km (0.032 R)
• M9: 6,208,760 km (0.074 R)
• M10: 7,217,050 km (0.103 R)
• M11: 7,628,743 km (0.082 R)
• M12: 8,110,598 km (0.08 R)
• M13: 8,900,774 km (0.081 R)
• M14: 9,834,564 km (0.09 R)
• M15: 10,899,102 km (0.12 R)
• M16: 12,039,038 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.8

Radius: 14.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.4 AU - 5.4 AU

Year: 8368 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,614,064 km

• M1: 176,525 km (0.081 R)
• M2: 670,348 km (0.098 R)
• M3: 1,226,104 km (0.08 R)
• M4: 1,706,912 km (0.1 R)
• M5: 2,794,488 km (0.081 R)
• M6: 3,788,416 km (0.104 R)
• M7: 4,565,278 km (0.061 R)
• M8: 7,031,250 km (0.115 R)
• M9: 7,660,757 km (0.052 R)
• M10: 10,375,061 km (0.09 R)
• M11: 10,850,782 km (0.047 R)
• M12: 11,744,031 km (0.081 R)
• M13: 13,396,789 km (0.079 R)
• M14: 16,832,752 km (0.118 R)
• M15: 23,799,824 km (0.071 R)
• M16: 25,823,584 km (0.093 R)
• M17: 26,434,841 km (0.057 R)
• M18: 26,966,512 km (0.078 R)
• M19: 28,883,758 km (0.055 R)
• M20: 31,778,178 km (0.037 R)
• M21: 34,333,609 km (0.079 R)
• M22: 35,179,585 km (0.045 R)
• M23: 35,715,444 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.9

Radius: 5.6

Gravity: 26.97 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.9 AU - 8.86 AU

Year: 14751 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,614,064 km

• M1: 73,303 km (0.116 R)
• M2: 268,379 km (0.106 R)
• M3: 484,398 km (0.097 R)
• M4: 1,147,715 km (0.031 R)
• M5: 2,483,773 km (0.117 R)
• M6: 2,923,741 km (0.067 R)
• M7: 4,557,649 km (0.078 R)
• M8: 4,931,494 km (0.064 R)
• M9: 5,252,232 km (0.102 R)
• M10: 6,937,003 km (0.092 R)
• M11: 9,322,042 km (0.096 R)
• M12: 13,192,737 km (0.085 R)
• M13: 13,602,785 km (0.1 R)
• M14: 14,665,229 km (0.085 R)
• M15: 15,934,716 km (0.115 R)
• M16: 18,776,178 km (0.115 R)
• M17: 19,382,349 km (0.105 R)
• M18: 23,296,278 km (0.117 R)
• M19: 27,706,274 km (0.069 R)
• M20: 29,755,465 km (0.105 R)
• M21: 32,890,438 km (0.115 R)
• M22: 34,280,651 km (0.108 R)
• M23: 35,841,406 km (0.097 R)
• M24: 43,754,086 km (0.074 R)
• M25: 49,739,198 km (0.101 R)
• M26: 55,008,184 km (0.112 R)
• M27: 57,324,109 km (0.073 R)
• M28: 61,201,386 km (0.113 R)
• M29: 64,856,810 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 7.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.68 AU - 9.44 AU

Year: 16701 Days

Day: 24.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,614,064 km

• M1: 98,286 km (0.112 R)
• M2: 384,317 km (0.115 R)
• M3: 653,144 km (0.059 R)
• M4: 977,772 km (0.097 R)
• M5: 1,342,342 km (0.084 R)
• M6: 2,446,823 km (0.075 R)
• M7: 2,827,101 km (0.08 R)
• M8: 3,445,389 km (0.059 R)
• M9: 4,064,873 km (0.099 R)
• M10: 4,981,609 km (0.09 R)
• M11: 6,142,339 km (0.112 R)
• M12: 6,409,970 km (0.045 R)
• M13: 6,805,955 km (0.12 R)
• M14: 7,647,144 km (0.114 R)
• M15: 8,321,980 km (0.115 R)
• M16: 8,938,622 km (0.098 R)
• M17: 9,282,997 km (0.11 R)
• M18: 11,252,602 km (0.042 R)
• M19: 15,220,985 km (0.096 R)
• M20: 15,571,044 km (0.079 R)
• M21: 17,708,349 km (0.114 R)
• M22: 21,663,417 km (0.105 R)
• M23: 22,555,619 km (0.049 R)
• M24: 23,658,454 km (0.099 R)
• M25: 24,508,769 km (0.107 R)
• M26: 26,170,352 km (0.049 R)
• M27: 28,748,223 km (0.104 R)
• M28: 30,706,010 km (0.072 R)
• M29: 31,490,801 km (0.12 R)
• M30: 33,100,324 km (0.106 R)
• M31: 35,006,051 km (0.091 R)
• M32: 41,160,807 km (0.054 R)
• M33: 43,502,762 km (0.067 R)
• M34: 44,066,446 km (0.101 R)
• M35: 45,932,081 km (0.074 R)
• M36: 46,810,670 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.1

Radius: 3.5

Gravity: 62.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.68 AU - 12.06 AU

Year: 20678 Days

Day: 15.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,614,064 km

• M1: 48,619 km (0.054 R)
• M2: 159,771 km (0.117 R)
• M3: 1,542,952 km (0.095 R)
• M4: 2,028,996 km (0.063 R)
• M5: 2,537,928 km (0.093 R)
• M6: 4,058,889 km (0.088 R)
• M7: 5,200,022 km (0.099 R)
• M8: 5,395,846 km (0.103 R)
• M9: 5,515,673 km (0.109 R)
• M10: 9,235,275 km (0.085 R)
• M11: 10,481,724 km (0.067 R)
• M12: 14,575,470 km (0.107 R)
• M13: 15,763,876 km (0.084 R)
• M14: 18,876,409 km (0.072 R)
• M15: 31,515,783 km (0.045 R)
• M16: 32,692,670 km (0.061 R)
• M17: 33,898,429 km (0.059 R)
• M18: 38,278,505 km (0.032 R)
• M19: 46,781,947 km (0.076 R)
• M20: 57,034,936 km (0.078 R)
• M21: 57,999,842 km (0.089 R)
• M22: 68,687,264 km (0.062 R)
• M23: 74,721,144 km (0.141 R)
• M24: 75,412,586 km (0.068 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 14,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit