🌌 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: 657.6

Radius: 9.5

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.51 AU - 0.57 AU

Year: 269 Days

Day: 7.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 72.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,488,292 km

• M1: 118,182 km (0.047 R)
• M2: 496,815 km (0.097 R)
• M3: 915,389 km (0.09 R)
• M4: 1,241,513 km (0.068 R)
• M5: 1,564,794 km (0.111 R)
• M6: 2,054,876 km (0.113 R)
• M7: 2,386,086 km (0.12 R)
• M8: 2,780,875 km (0.109 R)
• M9: 3,536,344 km (0.116 R)
• M10: 4,099,730 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.1

Radius: 11.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.37 AU - 1.47 AU

Year: 1148 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,488,292 km

• M1: 144,362 km (0.096 R)
• M2: 511,924 km (0.092 R)
• M3: 970,142 km (0.094 R)
• M4: 1,425,518 km (0.104 R)
• M5: 1,879,548 km (0.081 R)
• M6: 2,589,689 km (0.091 R)
• M7: 3,440,452 km (0.076 R)
• M8: 3,856,035 km (0.066 R)
• M9: 4,251,571 km (0.07 R)
• M10: 5,206,305 km (0.1 R)
• M11: 5,712,843 km (0.044 R)
• M12: 6,321,856 km (0.112 R)
• M13: 6,800,570 km (0.03 R)
• M14: 8,785,883 km (0.089 R)
• M15: 9,201,167 km (0.071 R)
• M16: 10,232,046 km (0.117 R)
• M17: 10,725,419 km (0.034 R)
• M18: 11,938,508 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 13.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.75 AU - 1.83 AU

Year: 1624 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,488,292 km

• M1: 165,455 km (0.095 R)
• M2: 587,321 km (0.097 R)
• M3: 1,219,522 km (0.091 R)
• M4: 1,851,872 km (0.068 R)
• M5: 2,446,673 km (0.098 R)
• M6: 2,860,610 km (0.053 R)
• M7: 4,090,903 km (0.059 R)
• M8: 4,589,663 km (0.041 R)
• M9: 5,484,856 km (0.107 R)
• M10: 5,963,719 km (0.078 R)
• M11: 6,723,078 km (0.071 R)
• M12: 7,672,426 km (0.026 R)
• M13: 9,074,906 km (0.09 R)
• M14: 9,867,476 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.6

Radius: 10

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.8 AU - 1.84 AU

Year: 1665 Days

Day: 11.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,488,292 km

• M1: 124,465 km (0.064 R)
• M2: 541,095 km (0.086 R)
• M3: 994,227 km (0.089 R)
• M4: 1,348,326 km (0.12 R)
• M5: 2,208,214 km (0.088 R)
• M6: 2,594,326 km (0.057 R)
• M7: 3,549,957 km (0.09 R)
• M8: 4,083,124 km (0.117 R)
• M9: 4,631,999 km (0.093 R)
• M10: 5,309,976 km (0.049 R)
• M11: 6,119,450 km (0.115 R)
• M12: 7,282,275 km (0.057 R)
• M13: 7,666,143 km (0.093 R)
• M14: 8,009,620 km (0.107 R)
• M15: 8,363,419 km (0.111 R)
• M16: 8,841,982 km (0.101 R)
• M17: 10,743,521 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 8.7

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.81 AU - 1.93 AU

Year: 1734 Days

Day: 8.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,488,292 km

• M1: 108,159 km (0.087 R)
• M2: 403,465 km (0.093 R)
• M3: 696,827 km (0.081 R)
• M4: 1,276,668 km (0.071 R)
• M5: 1,677,740 km (0.038 R)
• M6: 2,149,123 km (0.093 R)
• M7: 2,565,753 km (0.115 R)
• M8: 3,258,541 km (0.053 R)
• M9: 3,810,258 km (0.11 R)
• M10: 4,648,155 km (0.039 R)
• M11: 5,347,825 km (0.094 R)
• M12: 5,699,080 km (0.12 R)
• M13: 6,191,407 km (0.1 R)
• M14: 6,605,344 km (0.1 R)
• M15: 7,780,735 km (0.093 R)
• M16: 9,659,385 km (0.113 R)
• M17: 10,685,626 km (0.068 R)
• M18: 12,500,847 km (0.118 R)
• M19: 13,205,154 km (0.1 R)
• M20: 13,631,807 km (0.065 R)
• M21: 15,430,721 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.1

Radius: 10.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.52 AU - 2.26 AU

Year: 1762 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,488,292 km

• M1: 129,402 km (0.094 R)
• M2: 494,122 km (0.101 R)
• M3: 825,331 km (0.118 R)
• M4: 1,164,171 km (0.115 R)
• M5: 1,766,152 km (0.106 R)
• M6: 2,172,909 km (0.066 R)
• M7: 2,991,359 km (0.1 R)
• M8: 3,402,454 km (0.1 R)
• M9: 4,177,820 km (0.12 R)
• M10: 6,009,197 km (0.114 R)
• M11: 6,546,253 km (0.118 R)
• M12: 7,140,456 km (0.078 R)
• M13: 9,141,028 km (0.116 R)
• M14: 9,725,806 km (0.115 R)
• M15: 10,270,193 km (0.069 R)
• M16: 10,936,352 km (0.03 R)
• M17: 11,349,841 km (0.069 R)
• M18: 12,025,724 km (0.107 R)
• M19: 12,578,039 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.3

Radius: 10.9

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.28 AU - 4.96 AU

Year: 5672 Days

Day: 7.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,488,292 km

• M1: 135,536 km (0.043 R)
• M2: 610,359 km (0.083 R)
• M3: 1,008,290 km (0.093 R)
• M4: 1,392,307 km (0.089 R)
• M5: 2,157,052 km (0.109 R)
• M6: 2,502,324 km (0.101 R)
• M7: 2,846,847 km (0.072 R)
• M8: 3,244,030 km (0.051 R)
• M9: 3,839,280 km (0.057 R)
• M10: 5,694,593 km (0.03 R)
• M11: 6,038,069 km (0.1 R)
• M12: 8,201,703 km (0.051 R)
• M13: 9,522,952 km (0.083 R)
• M14: 12,015,851 km (0.064 R)
• M15: 17,916,739 km (0.095 R)
• M16: 19,348,540 km (0.091 R)
• M17: 27,669,024 km (0.118 R)
• M18: 32,358,169 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.4

Radius: 4.5

Gravity: 39.62 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.83 AU - 6.71 AU

Year: 9401 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,488,292 km

• M1: 55,950 km (0.098 R)
• M2: 209,736 km (0.103 R)
• M3: 357,689 km (0.054 R)
• M4: 750,981 km (0.096 R)
• M5: 977,772 km (0.044 R)
• M6: 1,153,699 km (0.112 R)
• M7: 1,443,619 km (0.116 R)
• M8: 2,449,964 km (0.107 R)
• M9: 3,018,287 km (0.044 R)
• M10: 3,960,604 km (0.048 R)
• M11: 5,246,547 km (0.052 R)
• M12: 6,146,378 km (0.096 R)
• M13: 6,944,782 km (0.105 R)
• M14: 7,104,403 km (0.104 R)
• M15: 8,291,013 km (0.072 R)
• M16: 9,167,657 km (0.103 R)
• M17: 10,003,011 km (0.113 R)
• M18: 12,281,985 km (0.092 R)
• M19: 12,457,015 km (0.094 R)
• M20: 13,479,815 km (0.095 R)
• M21: 14,234,836 km (0.058 R)
• M22: 16,526,226 km (0.033 R)
• M23: 18,512,437 km (0.087 R)
• M24: 20,082,467 km (0.103 R)
• M25: 23,663,990 km (0.075 R)
• M26: 25,227,138 km (0.111 R)
• M27: 25,794,862 km (0.068 R)
• M28: 26,760,067 km (0.113 R)
• M29: 28,967,533 km (0.06 R)
• M30: 37,646,753 km (0.09 R)
• M31: 41,711,925 km (0.038 R)
• M32: 42,239,707 km (0.063 R)
• M33: 43,443,670 km (0.093 R)
• M34: 43,714,293 km (0.077 R)
• M35: 45,919,814 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 19,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit