🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904

Radius: 10.4

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 11.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,945,030 km

• M1: 129,402 km (0.074 R)
• M2: 585,825 km (0.112 R)
• M3: 1,180,178 km (0.089 R)
• M4: 1,873,564 km (0.118 R)
• M5: 2,868,240 km (0.069 R)
• M6: 3,394,675 km (0.111 R)
• M7: 3,863,814 km (0.113 R)
• M8: 4,246,784 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.8

Radius: 9

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 5.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,945,030 km

• M1: 111,899 km (0.072 R)
• M2: 404,961 km (0.106 R)
• M3: 701,764 km (0.06 R)
• M4: 1,127,220 km (0.061 R)
• M5: 2,710,115 km (0.05 R)
• M6: 3,060,473 km (0.098 R)
• M7: 3,494,905 km (0.081 R)
• M8: 3,806,967 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.9

Radius: 10.1

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 5 Hours

Environment

Temp: -138 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,945,030 km

• M1: 125,662 km (0.025 R)
• M2: 505,192 km (0.026 R)
• M3: 820,993 km (0.119 R)
• M4: 1,434,195 km (0.074 R)
• M5: 1,843,794 km (0.114 R)
• M6: 2,211,954 km (0.073 R)
• M7: 2,763,521 km (0.119 R)
• M8: 3,293,098 km (0.12 R)
• M9: 3,827,761 km (0.109 R)
• M10: 4,155,081 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.4

Radius: 12

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.31 AU - 2.61 AU

Year: 2573 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,945,030 km

• M1: 149,299 km (0.113 R)
• M2: 566,976 km (0.049 R)
• M3: 975,677 km (0.119 R)
• M4: 1,421,629 km (0.076 R)
• M5: 1,992,644 km (0.108 R)
• M6: 2,535,834 km (0.077 R)
• M7: 2,930,323 km (0.064 R)
• M8: 3,348,599 km (0.086 R)
• M9: 3,922,905 km (0.109 R)
• M10: 4,411,791 km (0.055 R)
• M11: 5,197,928 km (0.116 R)
• M12: 5,713,143 km (0.066 R)
• M13: 6,535,781 km (0.085 R)
• M14: 7,837,133 km (0.103 R)
• M15: 10,177,891 km (0.11 R)
• M16: 12,004,481 km (0.119 R)
• M17: 12,385,956 km (0.085 R)
• M18: 13,307,628 km (0.108 R)
• M19: 17,511,179 km (0.104 R)
• M20: 19,070,138 km (0.055 R)
• M21: 19,590,290 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.1

Radius: 11.8

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.39 AU - 2.61 AU

Year: 2636 Days

Day: 9.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,945,030 km

• M1: 146,905 km (0.09 R)
• M2: 518,506 km (0.046 R)
• M3: 977,472 km (0.112 R)
• M4: 1,999,525 km (0.078 R)
• M5: 2,508,457 km (0.09 R)
• M6: 3,034,593 km (0.114 R)
• M7: 4,075,495 km (0.108 R)
• M8: 5,340,644 km (0.086 R)
• M9: 5,833,719 km (0.081 R)
• M10: 6,385,436 km (0.108 R)
• M11: 8,084,269 km (0.101 R)
• M12: 8,735,917 km (0.099 R)
• M13: 9,646,370 km (0.101 R)
• M14: 12,132,836 km (0.1 R)
• M15: 16,271,012 km (0.042 R)
• M16: 17,254,618 km (0.093 R)
• M17: 21,074,600 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.1

Radius: 12.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.94 AU - 4.6 AU

Year: 5884 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,945,030 km

• M1: 153,039 km (0.108 R)
• M2: 964,607 km (0.098 R)
• M3: 1,523,355 km (0.069 R)
• M4: 1,919,939 km (0.03 R)
• M5: 2,514,591 km (0.08 R)
• M6: 3,001,831 km (0.119 R)
• M7: 4,145,207 km (0.073 R)
• M8: 7,004,920 km (0.099 R)
• M9: 8,534,409 km (0.11 R)
• M10: 11,530,705 km (0.106 R)
• M11: 14,342,696 km (0.078 R)
• M12: 15,167,429 km (0.102 R)
• M13: 17,707,601 km (0.061 R)
• M14: 20,110,143 km (0.117 R)
• M15: 20,933,978 km (0.071 R)
• M16: 25,952,987 km (0.099 R)
• M17: 28,014,894 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.2

Radius: 13.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.08 AU - 5.62 AU

Year: 8252 Days

Day: 9.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,945,030 km

• M1: 170,392 km (0.066 R)
• M2: 1,344,586 km (0.113 R)
• M3: 2,239,779 km (0.11 R)
• M4: 2,851,485 km (0.115 R)
• M5: 4,146,255 km (0.116 R)
• M6: 7,543,173 km (0.103 R)
• M7: 9,196,529 km (0.097 R)
• M8: 9,703,815 km (0.118 R)
• M9: 12,865,118 km (0.06 R)
• M10: 19,893,824 km (0.098 R)
• M11: 21,538,802 km (0.091 R)
• M12: 24,743,338 km (0.083 R)
• M13: 30,227,746 km (0.117 R)
• M14: 32,504,476 km (0.098 R)
• M15: 34,011,525 km (0.081 R)
• M16: 35,790,243 km (0.11 R)
• M17: 37,396,925 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.6

Radius: 4

Gravity: 43.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.6 AU - 9.48 AU

Year: 16642 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 47,945,030 km

• M1: 49,816 km (0.109 R)
• M2: 205,099 km (0.092 R)
• M3: 342,280 km (0.083 R)
• M4: 640,279 km (0.083 R)
• M5: 937,530 km (0.119 R)
• M6: 1,454,540 km (0.052 R)
• M7: 1,596,957 km (0.088 R)
• M8: 1,819,260 km (0.082 R)
• M9: 2,728,067 km (0.071 R)
• M10: 3,123,005 km (0.072 R)
• M11: 3,388,541 km (0.114 R)
• M12: 4,118,429 km (0.065 R)
• M13: 7,851,345 km (0.096 R)
• M14: 9,275,816 km (0.113 R)
• M15: 10,685,776 km (0.058 R)
• M16: 11,287,608 km (0.093 R)
• M17: 12,297,244 km (0.08 R)
• M18: 13,781,554 km (0.099 R)
• M19: 13,922,176 km (0.111 R)
• M20: 15,608,593 km (0.114 R)
• M21: 15,838,226 km (0.095 R)
• M22: 16,461,301 km (0.089 R)
• M23: 16,699,162 km (0.028 R)
• M24: 25,366,264 km (0.09 R)
• M25: 37,428,639 km (0.087 R)
• M26: 37,977,663 km (0.072 R)
• M27: 39,091,719 km (0.052 R)
• M28: 41,093,488 km (0.099 R)
• M29: 42,564,484 km (0.115 R)
• M30: 46,394,788 km (0.045 R)
• M31: 49,784,526 km (0.114 R)
• M32: 51,286,488 km (0.076 R)
• M33: 53,162,895 km (0.06 R)
• M34: 54,908,103 km (0.071 R)
• M35: 56,691,011 km (0.112 R)
• M36: 62,462,646 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.2

Radius: 7.3

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.89 AU - 9.89 AU

Year: 17676 Days

Day: 23.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 47,945,030 km

• M1: 101,727 km (0.113 R)
• M2: 536,907 km (0.095 R)
• M3: 839,244 km (0.058 R)
• M4: 1,267,692 km (0.086 R)
• M5: 1,501,514 km (0.088 R)
• M6: 2,058,018 km (0.116 R)
• M7: 2,341,506 km (0.1 R)
• M8: 3,518,093 km (0.054 R)
• M9: 3,805,919 km (0.072 R)
• M10: 4,267,279 km (0.092 R)
• M11: 4,628,857 km (0.077 R)
• M12: 5,413,349 km (0.118 R)
• M13: 6,118,703 km (0.097 R)
• M14: 6,536,230 km (0.109 R)
• M15: 7,152,424 km (0.11 R)
• M16: 10,123,886 km (0.027 R)
• M17: 11,314,835 km (0.11 R)
• M18: 11,944,044 km (0.071 R)
• M19: 13,135,142 km (0.093 R)
• M20: 13,759,414 km (0.114 R)
• M21: 16,456,065 km (0.117 R)
• M22: 19,574,881 km (0.099 R)
• M23: 20,573,148 km (0.091 R)
• M24: 21,037,949 km (0.097 R)
• M25: 23,467,568 km (0.071 R)
• M26: 26,842,496 km (0.095 R)
• M27: 28,876,279 km (0.073 R)
• M28: 32,616,076 km (0.046 R)
• M29: 35,857,712 km (0.107 R)
• M30: 41,186,388 km (0.098 R)
• M31: 44,038,621 km (0.117 R)
• M32: 46,859,588 km (0.093 R)
• M33: 54,258,101 km (0.103 R)
• M34: 55,145,066 km (0.067 R)
• M35: 61,626,693 km (0.117 R)
• M36: 64,157,889 km (0.098 R)
• M37: 64,950,459 km (0.08 R)

Asteroid Belt

Center: 9.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.9

Radius: 4

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.73 AU - 11.83 AU

Year: 21980 Days

Day: 16 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,945,030 km

• M1: 49,816 km (0.116 R)
• M2: 181,163 km (0.104 R)
• M3: 319,840 km (0.063 R)
• M4: 1,317,209 km (0.092 R)
• M5: 2,085,694 km (0.098 R)
• M6: 2,535,235 km (0.103 R)
• M7: 2,825,754 km (0.118 R)
• M8: 4,046,772 km (0.116 R)
• M9: 5,615,904 km (0.11 R)
• M10: 6,218,035 km (0.117 R)
• M11: 11,028,355 km (0.09 R)
• M12: 15,647,339 km (0.103 R)
• M13: 16,477,757 km (0.065 R)
• M14: 17,191,937 km (0.089 R)
• M15: 21,576,501 km (0.096 R)
• M16: 25,315,251 km (0.119 R)
• M17: 25,977,521 km (0.099 R)
• M18: 26,748,548 km (0.051 R)
• M19: 29,463,450 km (0.093 R)
• M20: 29,880,679 km (0.115 R)
• M21: 42,822,989 km (0.106 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 17,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit