🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.2

Radius: 9.2

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.48 AU - 1.72 AU

Year: 1397 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,770,246 km

• M1: 114,442 km (0.081 R)
• M2: 494,571 km (0.092 R)
• M3: 786,735 km (0.083 R)
• M4: 1,186,311 km (0.116 R)
• M5: 1,634,357 km (0.074 R)
• M6: 2,151,666 km (0.112 R)
• M7: 3,050,600 km (0.068 R)
• M8: 3,428,484 km (0.103 R)
• M9: 4,101,525 km (0.11 R)
• M10: 4,701,113 km (0.087 R)
• M11: 5,095,603 km (0.104 R)
• M12: 5,550,979 km (0.092 R)
• M13: 6,095,664 km (0.058 R)
• M14: 7,796,592 km (0.076 R)
• M15: 8,480,105 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.1

Radius: 8.6

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.61 AU - 1.83 AU

Year: 1557 Days

Day: 6.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,770,246 km

• M1: 107,411 km (0.073 R)
• M2: 391,049 km (0.118 R)
• M3: 728,691 km (0.085 R)
• M4: 1,003,503 km (0.063 R)
• M5: 1,893,460 km (0.091 R)
• M6: 2,194,152 km (0.057 R)
• M7: 2,825,305 km (0.09 R)
• M8: 3,765,977 km (0.072 R)
• M9: 4,157,175 km (0.094 R)
• M10: 5,517,020 km (0.069 R)
• M11: 8,387,205 km (0.115 R)
• M12: 9,236,023 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.1

Radius: 15

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.65 AU - 2.27 AU

Year: 1894 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,770,246 km

• M1: 189,092 km (0.117 R)
• M2: 724,502 km (0.105 R)
• M3: 1,201,720 km (0.104 R)
• M4: 1,938,788 km (0.104 R)
• M5: 2,689,171 km (0.066 R)
• M6: 3,627,748 km (0.078 R)
• M7: 4,685,256 km (0.087 R)
• M8: 6,068,138 km (0.118 R)
• M9: 7,433,069 km (0.107 R)
• M10: 9,022,547 km (0.113 R)
• M11: 9,897,694 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 8.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.33 AU - 3.57 AU

Year: 3497 Days

Day: 10.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,770,246 km

• M1: 103,821 km (0.055 R)
• M2: 553,662 km (0.1 R)
• M3: 1,155,195 km (0.078 R)
• M4: 1,518,718 km (0.097 R)
• M5: 1,778,270 km (0.111 R)
• M6: 3,691,327 km (0.105 R)
• M7: 4,628,109 km (0.089 R)
• M8: 6,177,494 km (0.117 R)
• M9: 6,801,467 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 9.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.87 AU - 4.35 AU

Year: 4734 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,770,246 km

• M1: 115,938 km (0.063 R)
• M2: 404,513 km (0.108 R)
• M3: 812,017 km (0.114 R)
• M4: 1,182,870 km (0.084 R)
• M5: 3,093,684 km (0.089 R)
• M6: 3,613,387 km (0.103 R)
• M7: 4,573,506 km (0.056 R)
• M8: 8,037,146 km (0.115 R)
• M9: 8,566,572 km (0.099 R)
• M10: 9,319,648 km (0.108 R)
• M11: 11,452,914 km (0.073 R)
• M12: 12,285,127 km (0.104 R)
• M13: 14,248,300 km (0.11 R)

Asteroid Belt

Center: 4.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.1

Radius: 5.1

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.95 AU - 6.91 AU

Year: 9968 Days

Day: 19.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,770,246 km

• M1: 63,429 km (0.095 R)
• M2: 393,891 km (0.116 R)
• M3: 1,471,295 km (0.097 R)
• M4: 1,885,083 km (0.044 R)
• M5: 2,654,913 km (0.077 R)
• M6: 3,207,229 km (0.106 R)
• M7: 4,661,769 km (0.098 R)
• M8: 10,828,941 km (0.067 R)
• M9: 11,280,577 km (0.116 R)
• M10: 11,839,026 km (0.05 R)
• M11: 15,132,423 km (0.059 R)
• M12: 15,412,919 km (0.074 R)
• M13: 16,392,336 km (0.066 R)
• M14: 19,711,614 km (0.092 R)
• M15: 21,281,943 km (0.086 R)
• M16: 24,591,796 km (0.107 R)
• M17: 26,897,248 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.9

Radius: 6.4

Gravity: 19.48 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.98 AU - 7.02 AU

Year: 11439 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,770,246 km

• M1: 79,586 km (0.098 R)
• M2: 336,146 km (0.08 R)
• M3: 749,785 km (0.116 R)
• M4: 950,694 km (0.09 R)
• M5: 1,263,055 km (0.103 R)
• M6: 1,508,096 km (0.087 R)
• M7: 1,720,525 km (0.106 R)
• M8: 2,023,311 km (0.077 R)
• M9: 2,302,311 km (0.058 R)
• M10: 3,346,953 km (0.086 R)
• M11: 5,336,904 km (0.077 R)
• M12: 6,760,328 km (0.044 R)
• M13: 6,964,828 km (0.114 R)
• M14: 7,516,096 km (0.073 R)
• M15: 9,045,435 km (0.107 R)
• M16: 9,961,722 km (0.107 R)
• M17: 11,107,193 km (0.06 R)
• M18: 13,463,060 km (0.084 R)
• M19: 14,654,907 km (0.056 R)
• M20: 24,546,916 km (0.096 R)
• M21: 25,031,165 km (0.079 R)
• M22: 27,444,178 km (0.049 R)
• M23: 28,813,896 km (0.107 R)
• M24: 32,727,227 km (0.099 R)
• M25: 33,787,876 km (0.059 R)
• M26: 39,569,086 km (0.059 R)
• M27: 42,414,587 km (0.082 R)
• M28: 42,831,965 km (0.057 R)
• M29: 47,156,989 km (0.06 R)
• M30: 51,764,154 km (0.079 R)
• M31: 54,503,740 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.3

Radius: 3.4

Gravity: 39.39 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.14 AU - 8.16 AU

Year: 14605 Days

Day: 16.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 43,770,246 km

• M1: 42,336 km (0.088 R)
• M2: 350,807 km (0.116 R)
• M3: 680,072 km (0.098 R)
• M4: 872,904 km (0.079 R)
• M5: 1,395,748 km (0.05 R)
• M6: 1,855,462 km (0.113 R)
• M7: 2,429,170 km (0.102 R)
• M8: 2,615,868 km (0.087 R)
• M9: 4,201,905 km (0.042 R)
• M10: 7,012,999 km (0.115 R)
• M11: 8,514,812 km (0.105 R)
• M12: 9,190,994 km (0.077 R)
• M13: 9,491,536 km (0.118 R)
• M14: 11,433,466 km (0.074 R)
• M15: 12,741,999 km (0.088 R)
• M16: 15,652,276 km (0.097 R)
• M17: 17,110,256 km (0.098 R)
• M18: 18,105,082 km (0.088 R)
• M19: 18,339,951 km (0.12 R)
• M20: 19,875,274 km (0.104 R)
• M21: 23,015,184 km (0.09 R)
• M22: 23,198,740 km (0.116 R)
• M23: 26,874,061 km (0.037 R)
• M24: 29,492,622 km (0.098 R)
• M25: 30,365,226 km (0.073 R)
• M26: 31,142,686 km (0.034 R)
• M27: 32,047,305 km (0.095 R)
• M28: 33,554,503 km (0.036 R)
• M29: 35,718,586 km (0.042 R)
• M30: 39,266,748 km (0.033 R)
• M31: 41,260,888 km (0.086 R)
• M32: 46,028,572 km (0.061 R)
• M33: 49,606,504 km (0.072 R)
• M34: 50,994,623 km (0.117 R)
• M35: 51,150,504 km (0.109 R)
• M36: 51,306,684 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.5

Radius: 3.1

Gravity: 20.86 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.65 AU - 8.75 AU

Year: 16208 Days

Day: 24.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,770,246 km

• M1: 39,643 km (0.102 R)
• M2: 218,263 km (0.032 R)
• M3: 384,317 km (0.097 R)
• M4: 971,040 km (0.095 R)
• M5: 2,661,197 km (0.094 R)
• M6: 3,776,000 km (0.109 R)
• M7: 5,824,443 km (0.108 R)
• M8: 6,570,488 km (0.117 R)
• M9: 7,258,937 km (0.107 R)
• M10: 7,826,512 km (0.114 R)
• M11: 9,003,697 km (0.098 R)
• M12: 9,562,894 km (0.117 R)
• M13: 10,144,980 km (0.11 R)
• M14: 11,325,756 km (0.116 R)
• M15: 12,143,308 km (0.043 R)
• M16: 12,825,175 km (0.067 R)
• M17: 13,412,496 km (0.066 R)
• M18: 13,895,099 km (0.046 R)
• M19: 16,827,516 km (0.111 R)
• M20: 18,920,839 km (0.085 R)
• M21: 22,841,052 km (0.109 R)
• M22: 27,173,705 km (0.075 R)
• M23: 27,365,340 km (0.08 R)
• M24: 27,557,723 km (0.115 R)
• M25: 28,140,556 km (0.053 R)
• M26: 28,830,651 km (0.092 R)
• M27: 32,883,706 km (0.092 R)
• M28: 41,080,772 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.7

Radius: 6.1

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.36 AU - 10.78 AU

Year: 23720 Days

Day: 18.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,770,246 km

• M1: 76,594 km (0.113 R)
• M2: 734,376 km (0.096 R)
• M3: 2,148,674 km (0.089 R)
• M4: 2,473,451 km (0.085 R)
• M5: 3,153,972 km (0.093 R)
• M6: 3,697,311 km (0.112 R)
• M7: 4,164,655 km (0.119 R)
• M8: 4,729,088 km (0.11 R)
• M9: 5,603,487 km (0.06 R)
• M10: 6,729,361 km (0.087 R)
• M11: 7,148,983 km (0.094 R)
• M12: 12,075,391 km (0.049 R)
• M13: 14,429,911 km (0.081 R)
• M14: 15,714,508 km (0.09 R)
• M15: 21,537,157 km (0.06 R)
• M16: 23,816,729 km (0.036 R)
• M17: 25,240,751 km (0.042 R)
• M18: 25,973,631 km (0.099 R)
• M19: 27,385,985 km (0.118 R)
• M20: 31,929,122 km (0.101 R)
• M21: 32,141,851 km (0.029 R)
• M22: 35,563,004 km (0.101 R)
• M23: 36,252,052 km (0.051 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 18,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit