🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.5

Radius: 9.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.8 AU - 0.88 AU

Year: 522 Days

Day: 10.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,710,666 km

• M1: 120,576 km (0.099 R)
• M2: 496,964 km (0.117 R)
• M3: 807,829 km (0.112 R)
• M4: 1,232,836 km (0.07 R)
• M5: 1,550,432 km (0.066 R)
• M6: 1,992,344 km (0.078 R)
• M7: 2,753,798 km (0.087 R)
• M8: 3,350,544 km (0.085 R)
• M9: 3,709,878 km (0.11 R)
• M10: 4,384,414 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.5

Radius: 10.1

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.46 AU - 1.55 AU

Year: 1246 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 80.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,710,666 km

• M1: 125,662 km (0.075 R)
• M2: 488,138 km (0.09 R)
• M3: 1,012,179 km (0.093 R)
• M4: 1,640,789 km (0.097 R)
• M5: 2,290,942 km (0.074 R)
• M6: 2,700,242 km (0.101 R)
• M7: 3,564,020 km (0.075 R)
• M8: 4,230,329 km (0.095 R)
• M9: 4,689,893 km (0.064 R)
• M10: 5,163,520 km (0.098 R)
• M11: 6,444,826 km (0.103 R)
• M12: 8,181,358 km (0.05 R)
• M13: 8,626,860 km (0.119 R)
• M14: 9,255,321 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.3

Radius: 14.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.62 AU - 1.72 AU

Year: 1464 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,710,666 km

• M1: 180,565 km (0.113 R)
• M2: 651,499 km (0.12 R)
• M3: 1,196,185 km (0.11 R)
• M4: 1,654,702 km (0.094 R)
• M5: 2,164,382 km (0.114 R)
• M6: 3,034,294 km (0.025 R)
• M7: 3,966,737 km (0.101 R)
• M8: 6,228,956 km (0.097 R)
• M9: 6,774,091 km (0.093 R)
• M10: 8,336,341 km (0.113 R)
• M11: 9,061,891 km (0.08 R)
• M12: 9,665,818 km (0.103 R)
• M13: 10,195,095 km (0.092 R)
• M14: 11,751,362 km (0.091 R)
• M15: 12,316,692 km (0.056 R)
• M16: 13,138,433 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.9

Radius: 11.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.5 AU - 2.14 AU

Year: 1665 Days

Day: 8.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,710,666 km

• M1: 143,016 km (0.096 R)
• M2: 522,695 km (0.099 R)
• M3: 938,577 km (0.085 R)
• M4: 2,086,442 km (0.104 R)
• M5: 3,321,073 km (0.045 R)
• M6: 4,695,129 km (0.101 R)
• M7: 5,086,627 km (0.042 R)
• M8: 9,112,006 km (0.116 R)
• M9: 10,239,226 km (0.106 R)
• M10: 10,804,706 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.4

Radius: 8

Gravity: 12.16 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.51 AU - 2.29 AU

Year: 1776 Days

Day: 7.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,710,666 km

• M1: 99,483 km (0.117 R)
• M2: 388,506 km (0.078 R)
• M3: 705,952 km (0.107 R)
• M4: 1,009,786 km (0.067 R)
• M5: 1,392,307 km (0.034 R)
• M6: 1,992,943 km (0.058 R)
• M7: 2,269,998 km (0.109 R)
• M8: 2,828,297 km (0.102 R)
• M9: 3,989,476 km (0.047 R)
• M10: 4,472,827 km (0.082 R)
• M11: 4,887,063 km (0.082 R)
• M12: 5,349,470 km (0.11 R)
• M13: 5,888,920 km (0.053 R)
• M14: 6,994,149 km (0.078 R)
• M15: 7,354,082 km (0.087 R)
• M16: 8,854,848 km (0.1 R)
• M17: 9,309,326 km (0.096 R)
• M18: 10,335,567 km (0.066 R)
• M19: 11,097,469 km (0.078 R)
• M20: 11,359,714 km (0.073 R)
• M21: 11,896,322 km (0.069 R)
• M22: 14,257,724 km (0.106 R)
• M23: 14,836,967 km (0.093 R)
• M24: 15,805,913 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 8.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.74 AU - 2.08 AU

Year: 1790 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,710,666 km

• M1: 104,270 km (0.104 R)
• M2: 406,607 km (0.073 R)
• M3: 767,587 km (0.064 R)
• M4: 1,074,711 km (0.095 R)
• M5: 1,526,347 km (0.097 R)
• M6: 2,398,951 km (0.066 R)
• M7: 2,702,934 km (0.106 R)
• M8: 3,240,439 km (0.089 R)
• M9: 4,836,050 km (0.109 R)
• M10: 5,268,239 km (0.032 R)
• M11: 5,686,813 km (0.105 R)
• M12: 6,356,114 km (0.08 R)
• M13: 6,655,609 km (0.049 R)
• M14: 7,167,982 km (0.089 R)
• M15: 7,492,609 km (0.084 R)
• M16: 8,448,839 km (0.06 R)
• M17: 8,758,806 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 9

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.08 AU - 3.88 AU

Year: 4403 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,710,666 km

• M1: 111,899 km (0.041 R)
• M2: 736,321 km (0.04 R)
• M3: 2,557,525 km (0.114 R)
• M4: 2,981,186 km (0.119 R)
• M5: 3,465,135 km (0.073 R)
• M6: 3,816,242 km (0.115 R)
• M7: 4,906,511 km (0.088 R)
• M8: 8,035,201 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.5

Radius: 4.9

Gravity: 34.17 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 5.71 AU - 8.51 AU

Year: 12859 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,710,666 km

• M1: 61,036 km (0.102 R)
• M2: 280,496 km (0.096 R)
• M3: 1,589,029 km (0.105 R)
• M4: 2,163,634 km (0.085 R)
• M5: 2,508,906 km (0.098 R)
• M6: 2,728,665 km (0.079 R)
• M7: 4,452,781 km (0.047 R)
• M8: 4,677,177 km (0.096 R)
• M9: 5,838,057 km (0.076 R)
• M10: 6,384,239 km (0.057 R)
• M11: 8,322,578 km (0.096 R)
• M12: 10,341,102 km (0.069 R)
• M13: 10,964,477 km (0.079 R)
• M14: 14,462,075 km (0.086 R)
• M15: 15,824,762 km (0.06 R)
• M16: 18,146,970 km (0.048 R)
• M17: 18,472,943 km (0.083 R)
• M18: 20,074,239 km (0.087 R)
• M19: 21,765,892 km (0.114 R)
• M20: 22,882,042 km (0.049 R)
• M21: 23,071,582 km (0.109 R)
• M22: 23,358,062 km (0.079 R)
• M23: 24,035,591 km (0.091 R)
• M24: 24,626,801 km (0.113 R)
• M25: 27,621,152 km (0.081 R)
• M26: 29,822,036 km (0.096 R)
• M27: 31,313,677 km (0.062 R)
• M28: 34,196,876 km (0.092 R)
• M29: 40,484,325 km (0.075 R)
• M30: 41,040,530 km (0.114 R)
• M31: 42,739,962 km (0.061 R)
• M32: 43,752,590 km (0.038 R)
• M33: 44,781,225 km (0.07 R)
• M34: 48,899,804 km (0.115 R)
• M35: 54,435,972 km (0.115 R)
• M36: 59,118,984 km (0.089 R)
• M37: 59,834,810 km (0.116 R)
• M38: 60,014,776 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125.6

Radius: 5

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 7.62 AU - 8.56 AU

Year: 15607 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,710,666 km

• M1: 140,772 km (0.106 R)
• M2: 484,398 km (0.074 R)
• M3: 640,578 km (0.089 R)
• M4: 1,216,380 km (0.108 R)
• M5: 5,853,765 km (0.118 R)
• M6: 9,560,950 km (0.098 R)
• M7: 10,818,619 km (0.058 R)
• M8: 12,500,697 km (0.092 R)
• M9: 14,704,424 km (0.114 R)
• M10: 30,539,358 km (0.1 R)
• M11: 35,017,570 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.1

Radius: 6.4

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.2 AU - 10.34 AU

Year: 16131 Days

Day: 19.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 67,710,666 km

• M1: 79,586 km (0.107 R)
• M2: 298,897 km (0.068 R)
• M3: 799,750 km (0.118 R)
• M4: 1,214,286 km (0.074 R)
• M5: 1,470,846 km (0.115 R)
• M6: 1,960,929 km (0.071 R)
• M7: 2,422,738 km (0.09 R)
• M8: 2,954,558 km (0.112 R)
• M9: 4,878,536 km (0.113 R)
• M10: 5,090,217 km (0.077 R)
• M11: 5,308,032 km (0.089 R)
• M12: 5,532,129 km (0.049 R)
• M13: 7,843,117 km (0.047 R)
• M14: 8,584,375 km (0.074 R)
• M15: 11,027,607 km (0.044 R)
• M16: 12,936,925 km (0.057 R)
• M17: 16,990,578 km (0.108 R)
• M18: 17,314,757 km (0.036 R)
• M19: 17,891,905 km (0.09 R)
• M20: 18,143,230 km (0.068 R)
• M21: 18,396,798 km (0.1 R)
• M22: 19,700,544 km (0.115 R)
• M23: 20,879,375 km (0.065 R)
• M24: 21,344,923 km (0.109 R)
• M25: 26,173,643 km (0.094 R)
• M26: 27,153,360 km (0.087 R)
• M27: 30,120,933 km (0.097 R)
• M28: 34,577,005 km (0.108 R)
• M29: 34,836,707 km (0.042 R)
• M30: 36,691,271 km (0.115 R)
• M31: 37,232,965 km (0.114 R)
• M32: 37,505,832 km (0.034 R)
• M33: 40,595,776 km (0.115 R)
• M34: 41,321,026 km (0.088 R)
• M35: 42,054,804 km (0.096 R)
• M36: 42,499,259 km (0.114 R)
• M37: 44,003,466 km (0.084 R)
• M38: 47,276,817 km (0.044 R)
• M39: 53,780,135 km (0.096 R)
• M40: 61,995,751 km (0.087 R)
• M41: 63,733,480 km (0.098 R)
• M42: 64,712,748 km (0.12 R)
• M43: 66,300,280 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 15,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit