🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 10.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.13 AU - 1.15 AU

Year: 812 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,970,914 km

• M1: 126,859 km (0.107 R)
• M2: 452,833 km (0.061 R)
• M3: 783,444 km (0.107 R)
• M4: 1,129,614 km (0.11 R)
• M5: 1,455,138 km (0.115 R)
• M6: 1,930,261 km (0.117 R)
• M7: 2,303,059 km (0.082 R)
• M8: 3,283,673 km (0.09 R)
• M9: 4,334,748 km (0.069 R)
• M10: 5,238,319 km (0.108 R)
• M11: 5,559,954 km (0.097 R)
• M12: 6,362,248 km (0.113 R)
• M13: 7,639,963 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716

Radius: 10.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.74 AU - 2.68 AU

Year: 2191 Days

Day: 11.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,970,914 km

• M1: 130,749 km (0.106 R)
• M2: 673,789 km (0.077 R)
• M3: 1,108,819 km (0.078 R)
• M4: 1,719,029 km (0.081 R)
• M5: 3,920,960 km (0.079 R)
• M6: 4,773,967 km (0.094 R)
• M7: 5,623,982 km (0.077 R)
• M8: 6,047,045 km (0.116 R)
• M9: 6,845,599 km (0.068 R)
• M10: 7,270,457 km (0.039 R)
• M11: 8,848,415 km (0.114 R)
• M12: 9,525,644 km (0.04 R)
• M13: 10,128,225 km (0.09 R)
• M14: 11,686,137 km (0.098 R)
• M15: 12,252,963 km (0.094 R)
• M16: 16,596,388 km (0.118 R)
• M17: 16,951,982 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.9

Radius: 14.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.07 AU - 2.99 AU

Year: 2684 Days

Day: 10.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,970,914 km

• M1: 185,950 km (0.118 R)
• M2: 1,066,334 km (0.117 R)
• M3: 1,783,207 km (0.117 R)
• M4: 2,562,612 km (0.069 R)
• M5: 3,302,971 km (0.104 R)
• M6: 4,554,208 km (0.092 R)
• M7: 5,239,366 km (0.078 R)
• M8: 7,651,781 km (0.101 R)
• M9: 8,381,520 km (0.099 R)
• M10: 10,975,248 km (0.096 R)
• M11: 11,818,082 km (0.081 R)
• M12: 12,344,068 km (0.066 R)
• M13: 14,857,612 km (0.112 R)
• M14: 16,531,163 km (0.1 R)
• M15: 18,560,608 km (0.063 R)
• M16: 19,092,877 km (0.085 R)
• M17: 19,757,391 km (0.11 R)
• M18: 20,941,458 km (0.099 R)
• M19: 22,040,404 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.7

Radius: 9.6

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.87 AU - 3.65 AU

Year: 3925 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,970,914 km

• M1: 119,529 km (0.101 R)
• M2: 471,233 km (0.103 R)
• M3: 974,630 km (0.12 R)
• M4: 1,306,887 km (0.071 R)
• M5: 1,802,355 km (0.084 R)
• M6: 2,643,394 km (0.076 R)
• M7: 3,115,525 km (0.046 R)
• M8: 3,789,314 km (0.053 R)
• M9: 4,138,625 km (0.062 R)
• M10: 5,534,523 km (0.118 R)
• M11: 6,897,509 km (0.108 R)
• M12: 8,004,533 km (0.113 R)
• M13: 10,356,511 km (0.026 R)
• M14: 12,081,374 km (0.077 R)
• M15: 12,987,788 km (0.084 R)
• M16: 13,482,658 km (0.049 R)
• M17: 16,894,836 km (0.118 R)
• M18: 19,083,004 km (0.076 R)
• M19: 20,113,733 km (0.116 R)
• M20: 22,995,287 km (0.103 R)
• M21: 23,500,928 km (0.092 R)
• M22: 24,087,950 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 13.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.89 AU - 5.51 AU

Year: 6795 Days

Day: 13.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,970,914 km

• M1: 172,187 km (0.079 R)
• M2: 783,893 km (0.12 R)
• M3: 1,391,410 km (0.057 R)
• M4: 1,859,651 km (0.111 R)
• M5: 2,810,046 km (0.075 R)
• M6: 3,510,314 km (0.096 R)
• M7: 4,572,459 km (0.113 R)
• M8: 5,042,645 km (0.061 R)
• M9: 6,983,827 km (0.118 R)
• M10: 7,432,471 km (0.052 R)
• M11: 9,015,815 km (0.102 R)
• M12: 9,887,073 km (0.114 R)
• M13: 10,454,198 km (0.087 R)
• M14: 11,653,674 km (0.117 R)
• M15: 12,436,370 km (0.116 R)
• M16: 14,658,048 km (0.115 R)
• M17: 15,454,208 km (0.115 R)
• M18: 19,466,573 km (0.077 R)
• M19: 20,289,510 km (0.092 R)
• M20: 23,583,506 km (0.099 R)
• M21: 24,048,007 km (0.078 R)
• M22: 27,303,407 km (0.072 R)
• M23: 28,684,195 km (0.119 R)
• M24: 29,125,209 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.9

Radius: 13.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.79 AU - 4.91 AU

Year: 7123 Days

Day: 11.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,970,914 km

• M1: 170,392 km (0.12 R)
• M2: 898,186 km (0.075 R)
• M3: 1,437,336 km (0.086 R)
• M4: 2,617,514 km (0.098 R)
• M5: 3,327,954 km (0.084 R)
• M6: 3,776,299 km (0.053 R)
• M7: 4,420,019 km (0.113 R)
• M8: 5,049,676 km (0.105 R)
• M9: 6,254,238 km (0.116 R)
• M10: 6,730,707 km (0.102 R)
• M11: 8,843,179 km (0.116 R)
• M12: 9,982,666 km (0.09 R)
• M13: 14,512,789 km (0.113 R)
• M14: 15,048,349 km (0.11 R)
• M15: 17,060,291 km (0.11 R)
• M16: 19,175,006 km (0.094 R)
• M17: 22,547,989 km (0.111 R)
• M18: 23,591,734 km (0.098 R)
• M19: 24,920,312 km (0.088 R)
• M20: 26,298,109 km (0.07 R)
• M21: 30,156,238 km (0.111 R)
• M22: 31,324,448 km (0.086 R)
• M23: 35,010,090 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.6

Radius: 3.2

Gravity: 49.47 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.87 AU - 7.71 AU

Year: 10520 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,970,914 km

• M1: 49,517 km (0.079 R)
• M2: 209,886 km (0.099 R)
• M3: 398,230 km (0.117 R)
• M4: 550,071 km (0.103 R)
• M5: 748,139 km (0.065 R)
• M6: 892,501 km (0.118 R)
• M7: 1,023,100 km (0.05 R)
• M8: 1,273,676 km (0.105 R)
• M9: 1,387,221 km (0.084 R)
• M10: 1,679,087 km (0.05 R)
• M11: 2,060,860 km (0.09 R)
• M12: 2,993,603 km (0.092 R)
• M13: 3,601,419 km (0.027 R)
• M14: 3,803,975 km (0.064 R)
• M15: 3,960,753 km (0.05 R)
• M16: 5,150,355 km (0.105 R)
• M17: 5,740,669 km (0.086 R)
• M18: 7,172,320 km (0.113 R)
• M19: 7,411,827 km (0.114 R)
• M20: 8,076,490 km (0.113 R)
• M21: 8,916,482 km (0.107 R)
• M22: 11,455,756 km (0.114 R)
• M23: 11,837,979 km (0.118 R)
• M24: 12,918,524 km (0.115 R)
• M25: 14,249,796 km (0.083 R)
• M26: 14,438,289 km (0.09 R)
• M27: 15,143,044 km (0.1 R)
• M28: 17,110,705 km (0.088 R)
• M29: 21,709,493 km (0.045 R)
• M30: 22,975,540 km (0.117 R)
• M31: 26,119,489 km (0.089 R)
• M32: 28,532,802 km (0.067 R)
• M33: 32,155,165 km (0.12 R)
• M34: 32,370,885 km (0.112 R)
• M35: 34,244,149 km (0.111 R)
• M36: 34,808,582 km (0.087 R)
• M37: 38,325,927 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.8

Radius: 6.8

Gravity: 18.18 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.75 AU - 9.53 AU

Year: 14082 Days

Day: 18.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,970,914 km

• M1: 84,972 km (0.097 R)
• M2: 358,287 km (0.04 R)
• M3: 631,303 km (0.109 R)
• M4: 2,893,073 km (0.105 R)
• M5: 5,874,559 km (0.114 R)
• M6: 6,352,374 km (0.1 R)
• M7: 6,685,080 km (0.069 R)
• M8: 7,073,287 km (0.09 R)
• M9: 12,583,724 km (0.112 R)
• M10: 12,910,296 km (0.117 R)
• M11: 15,357,269 km (0.064 R)
• M12: 19,888,738 km (0.077 R)
• M13: 20,872,793 km (0.116 R)
• M14: 24,522,233 km (0.104 R)
• M15: 39,770,145 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.5

Radius: 4

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.87 AU - 9.14 AU

Year: 18005 Days

Day: 15.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,970,914 km

• M1: 53,855 km (0.08 R)
• M2: 186,399 km (0.113 R)
• M3: 517,309 km (0.094 R)
• M4: 835,654 km (0.109 R)
• M5: 1,165,816 km (0.083 R)
• M6: 6,264,411 km (0.077 R)
• M7: 7,216,003 km (0.043 R)
• M8: 7,915,672 km (0.103 R)
• M9: 8,173,130 km (0.064 R)
• M10: 9,544,643 km (0.081 R)
• M11: 11,657,264 km (0.094 R)
• M12: 12,559,788 km (0.099 R)
• M13: 21,683,763 km (0.066 R)
• M14: 38,425,859 km (0.094 R)
• M15: 39,410,811 km (0.083 R)
• M16: 41,302,925 km (0.042 R)
• M17: 42,336,347 km (0.028 R)
• M18: 42,466,647 km (0.028 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.2

Radius: 5.2

Gravity: 27.6 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 10.41 AU - 11.53 AU

Year: 24229 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,970,914 km

• M1: 64,626 km (0.065 R)
• M2: 269,127 km (0.059 R)
• M3: 493,823 km (0.115 R)
• M4: 786,586 km (0.04 R)
• M5: 1,309,131 km (0.114 R)
• M6: 1,538,913 km (0.044 R)
• M7: 3,230,716 km (0.108 R)
• M8: 3,942,203 km (0.116 R)
• M9: 4,678,524 km (0.066 R)
• M10: 4,981,759 km (0.089 R)
• M11: 5,257,767 km (0.068 R)
• M12: 5,970,750 km (0.065 R)
• M13: 6,147,425 km (0.119 R)
• M14: 6,841,559 km (0.083 R)
• M15: 8,005,281 km (0.073 R)
• M16: 9,061,442 km (0.09 R)
• M17: 11,045,110 km (0.039 R)
• M18: 14,536,126 km (0.107 R)
• M19: 16,100,022 km (0.118 R)
• M20: 17,955,335 km (0.109 R)
• M21: 21,151,194 km (0.106 R)
• M22: 24,934,076 km (0.103 R)
• M23: 27,896,562 km (0.11 R)
• M24: 35,366,283 km (0.105 R)
• M25: 38,632,005 km (0.076 R)
• M26: 44,232,650 km (0.105 R)
• M27: 48,370,826 km (0.063 R)
• M28: 57,805,814 km (0.108 R)
• M29: 59,014,415 km (0.065 R)
• M30: 62,109,146 km (0.092 R)
• M31: 69,069,337 km (0.071 R)
• M32: 69,747,314 km (0.049 R)
• M33: 74,855,483 km (0.181 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 19,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit