🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.2

Radius: 13.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.79 AU - 0.81 AU

Year: 503 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,098,746 km

• M1: 171,589 km (0.098 R)
• M2: 745,446 km (0.087 R)
• M3: 1,579,305 km (0.076 R)
• M4: 2,148,973 km (0.033 R)
• M5: 2,895,467 km (0.096 R)
• M6: 4,062,779 km (0.052 R)
• M7: 4,704,105 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.7

Radius: 10

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.68 AU - 1.1 AU

Year: 590 Days

Day: 14.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,098,746 km

• M1: 126,111 km (0.11 R)
• M2: 551,867 km (0.054 R)
• M3: 910,303 km (0.092 R)
• M4: 2,115,613 km (0.037 R)
• M5: 2,535,385 km (0.119 R)
• M6: 2,917,757 km (0.103 R)
• M7: 3,401,856 km (0.116 R)
• M8: 4,009,821 km (0.117 R)
• M9: 4,332,654 km (0.059 R)
• M10: 4,752,724 km (0.111 R)
• M11: 6,275,032 km (0.068 R)
• M12: 6,958,545 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.2

Radius: 11

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.26 AU - 1.26 AU

Year: 994 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,098,746 km

• M1: 137,032 km (0.049 R)
• M2: 748,139 km (0.072 R)
• M3: 1,094,907 km (0.027 R)
• M4: 1,709,305 km (0.096 R)
• M5: 2,246,960 km (0.111 R)
• M6: 2,744,223 km (0.032 R)
• M7: 3,748,773 km (0.075 R)
• M8: 4,301,836 km (0.096 R)
• M9: 4,968,145 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 8.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.55 AU - 1.61 AU

Year: 1396 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,098,746 km

• M1: 102,026 km (0.099 R)
• M2: 420,370 km (0.1 R)
• M3: 804,687 km (0.114 R)
• M4: 1,245,701 km (0.105 R)
• M5: 1,609,823 km (0.087 R)
• M6: 1,907,074 km (0.086 R)
• M7: 2,542,865 km (0.076 R)
• M8: 2,871,980 km (0.114 R)
• M9: 3,215,756 km (0.083 R)
• M10: 3,557,138 km (0.083 R)
• M11: 3,938,463 km (0.103 R)
• M12: 5,021,552 km (0.09 R)
• M13: 5,662,429 km (0.11 R)
• M14: 5,971,349 km (0.093 R)
• M15: 6,645,437 km (0.108 R)
• M16: 7,273,000 km (0.073 R)
• M17: 7,588,950 km (0.104 R)
• M18: 9,139,832 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.4

Radius: 13.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.79 AU - 2.23 AU

Year: 2003 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,098,746 km

• M1: 170,392 km (0.099 R)
• M2: 1,185,114 km (0.113 R)
• M3: 2,009,099 km (0.084 R)
• M4: 2,665,086 km (0.112 R)
• M5: 3,102,061 km (0.096 R)
• M6: 4,522,493 km (0.079 R)
• M7: 5,294,568 km (0.101 R)
• M8: 6,555,528 km (0.06 R)
• M9: 7,413,622 km (0.091 R)
• M10: 9,823,943 km (0.104 R)
• M11: 11,016,986 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.9

Radius: 13.4

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.98 AU - 2.28 AU

Year: 2185 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,098,746 km

• M1: 169,494 km (0.052 R)
• M2: 632,799 km (0.117 R)
• M3: 1,314,068 km (0.059 R)
• M4: 2,110,228 km (0.09 R)
• M5: 2,906,986 km (0.053 R)
• M6: 4,245,737 km (0.057 R)
• M7: 4,744,646 km (0.093 R)
• M8: 5,836,411 km (0.118 R)
• M9: 7,947,536 km (0.086 R)
• M10: 8,514,363 km (0.04 R)
• M11: 9,623,781 km (0.109 R)
• M12: 10,564,003 km (0.045 R)
• M13: 12,627,407 km (0.108 R)
• M14: 14,947,071 km (0.034 R)
• M15: 15,812,495 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 9.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.48 AU - 6.26 AU

Year: 8747 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,098,746 km

• M1: 130,300 km (0.102 R)
• M2: 797,207 km (0.058 R)
• M3: 1,925,025 km (0.095 R)
• M4: 2,417,202 km (0.106 R)
• M5: 5,639,391 km (0.055 R)
• M6: 6,024,157 km (0.049 R)
• M7: 8,218,309 km (0.076 R)
• M8: 10,584,797 km (0.119 R)
• M9: 12,860,331 km (0.059 R)
• M10: 14,166,320 km (0.094 R)
• M11: 15,789,606 km (0.099 R)
• M12: 19,070,737 km (0.08 R)
• M13: 21,685,707 km (0.047 R)
• M14: 28,382,456 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.7

Radius: 5.7

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.49 AU - 6.71 AU

Year: 11919 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,098,746 km

• M1: 71,059 km (0.104 R)
• M2: 311,912 km (0.098 R)
• M3: 524,490 km (0.062 R)
• M4: 1,737,430 km (0.07 R)
• M5: 1,967,062 km (0.103 R)
• M6: 2,469,262 km (0.117 R)
• M7: 2,801,220 km (0.086 R)
• M8: 2,988,666 km (0.095 R)
• M9: 3,977,807 km (0.073 R)
• M10: 4,661,021 km (0.117 R)
• M11: 5,106,823 km (0.094 R)
• M12: 5,645,973 km (0.113 R)
• M13: 5,946,366 km (0.12 R)
• M14: 6,222,224 km (0.053 R)
• M15: 7,610,941 km (0.084 R)
• M16: 8,968,542 km (0.072 R)
• M17: 9,610,466 km (0.109 R)
• M18: 10,184,473 km (0.095 R)
• M19: 11,506,619 km (0.053 R)
• M20: 12,263,884 km (0.114 R)
• M21: 13,877,446 km (0.1 R)
• M22: 14,363,191 km (0.111 R)
• M23: 16,353,291 km (0.074 R)
• M24: 19,332,832 km (0.084 R)
• M25: 25,070,060 km (0.115 R)
• M26: 25,790,224 km (0.086 R)
• M27: 27,271,991 km (0.111 R)
• M28: 28,129,785 km (0.069 R)
• M29: 28,322,916 km (0.076 R)
• M30: 29,103,967 km (0.085 R)
• M31: 31,016,575 km (0.049 R)
• M32: 33,658,623 km (0.077 R)
• M33: 34,534,818 km (0.084 R)
• M34: 35,764,213 km (0.119 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 10,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit