🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.3

Radius: 12.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.61 AU - 0.89 AU

Year: 419 Days

Day: 11 Hours

Environment

Temp: -149 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,835,888 km

• M1: 155,582 km (0.108 R)
• M2: 720,912 km (0.093 R)
• M3: 1,151,455 km (0.111 R)
• M4: 1,560,156 km (0.052 R)
• M5: 2,111,724 km (0.078 R)
• M6: 2,649,977 km (0.057 R)
• M7: 3,238,495 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.4

Radius: 8.6

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.64 AU - 0.9 AU

Year: 436 Days

Day: 9.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,835,888 km

• M1: 106,962 km (0.072 R)
• M2: 378,183 km (0.062 R)
• M3: 677,379 km (0.037 R)
• M4: 1,059,303 km (0.08 R)
• M5: 1,452,745 km (0.068 R)
• M6: 1,733,989 km (0.105 R)
• M7: 2,092,425 km (0.109 R)
• M8: 2,747,664 km (0.099 R)
• M9: 3,128,839 km (0.113 R)
• M10: 3,440,452 km (0.084 R)
• M11: 3,724,089 km (0.11 R)
• M12: 4,599,686 km (0.099 R)
• M13: 5,093,658 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.2

Radius: 10.9

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.13 AU - 1.21 AU

Year: 817 Days

Day: 6.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,835,888 km

• M1: 135,536 km (0.075 R)
• M2: 540,946 km (0.104 R)
• M3: 996,471 km (0.093 R)
• M4: 1,362,238 km (0.079 R)
• M5: 1,766,452 km (0.118 R)
• M6: 2,169,468 km (0.06 R)
• M7: 2,657,008 km (0.047 R)
• M8: 3,137,815 km (0.092 R)
• M9: 3,589,601 km (0.117 R)
• M10: 4,693,035 km (0.079 R)
• M11: 5,787,792 km (0.069 R)
• M12: 7,996,006 km (0.049 R)
• M13: 8,399,472 km (0.106 R)
• M14: 9,165,562 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.8

Radius: 13.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.27 AU - 2.73 AU

Year: 2552 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,835,888 km

• M1: 169,943 km (0.067 R)
• M2: 671,994 km (0.063 R)
• M3: 1,417,589 km (0.038 R)
• M4: 2,837,423 km (0.086 R)
• M5: 4,495,715 km (0.069 R)
• M6: 5,427,860 km (0.074 R)
• M7: 6,299,866 km (0.093 R)
• M8: 7,234,553 km (0.084 R)
• M9: 7,979,251 km (0.042 R)
• M10: 8,578,989 km (0.12 R)
• M11: 10,338,858 km (0.098 R)
• M12: 12,662,413 km (0.079 R)
• M13: 13,523,648 km (0.084 R)
• M14: 14,240,521 km (0.12 R)
• M15: 15,029,799 km (0.104 R)
• M16: 17,679,028 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 9.6

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.33 AU - 2.73 AU

Year: 2598 Days

Day: 6.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 21,835,888 km

• M1: 119,379 km (0.099 R)
• M2: 464,501 km (0.106 R)
• M3: 795,113 km (0.108 R)
• M4: 1,361,191 km (0.03 R)
• M5: 1,791,285 km (0.048 R)
• M6: 2,178,594 km (0.094 R)
• M7: 2,818,125 km (0.07 R)
• M8: 4,036,001 km (0.092 R)
• M9: 4,468,488 km (0.11 R)
• M10: 6,298,220 km (0.084 R)
• M11: 7,083,758 km (0.097 R)
• M12: 7,409,732 km (0.052 R)
• M13: 7,807,812 km (0.098 R)
• M14: 8,680,416 km (0.093 R)
• M15: 9,760,962 km (0.055 R)
• M16: 10,734,395 km (0.031 R)
• M17: 11,086,100 km (0.109 R)
• M18: 11,895,125 km (0.102 R)
• M19: 12,229,626 km (0.108 R)
• M20: 13,137,386 km (0.106 R)
• M21: 14,606,437 km (0.08 R)
• M22: 15,528,857 km (0.096 R)
• M23: 17,275,562 km (0.056 R)
• M24: 17,759,062 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694

Radius: 12.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.13 AU - 3.55 AU

Year: 3090 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,835,888 km

• M1: 153,188 km (0.111 R)
• M2: 597,643 km (0.062 R)
• M3: 989,291 km (0.117 R)
• M4: 1,380,639 km (0.036 R)
• M5: 2,131,022 km (0.114 R)
• M6: 3,709,878 km (0.11 R)
• M7: 4,350,755 km (0.091 R)
• M8: 4,779,203 km (0.092 R)
• M9: 5,881,291 km (0.059 R)
• M10: 6,754,643 km (0.113 R)
• M11: 7,809,906 km (0.098 R)
• M12: 9,043,790 km (0.094 R)
• M13: 10,207,063 km (0.106 R)
• M14: 10,683,233 km (0.04 R)
• M15: 12,557,544 km (0.097 R)
• M16: 14,691,857 km (0.118 R)
• M17: 17,503,848 km (0.055 R)
• M18: 19,425,732 km (0.112 R)
• M19: 20,846,014 km (0.107 R)
• M20: 21,291,667 km (0.085 R)
• M21: 22,004,800 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 11.6

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.69 AU - 3.85 AU

Year: 4726 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,835,888 km

• M1: 144,212 km (0.106 R)
• M2: 741,706 km (0.104 R)
• M3: 1,156,242 km (0.072 R)
• M4: 1,595,910 km (0.098 R)
• M5: 2,068,639 km (0.061 R)
• M6: 3,428,783 km (0.051 R)
• M7: 4,182,607 km (0.091 R)
• M8: 6,046,447 km (0.11 R)
• M9: 6,437,346 km (0.086 R)
• M10: 7,520,883 km (0.096 R)
• M11: 7,940,805 km (0.106 R)
• M12: 9,077,599 km (0.113 R)
• M13: 13,139,181 km (0.033 R)
• M14: 15,027,555 km (0.111 R)
• M15: 15,799,779 km (0.111 R)
• M16: 16,980,256 km (0.106 R)
• M17: 17,931,998 km (0.079 R)
• M18: 18,742,070 km (0.096 R)
• M19: 20,685,496 km (0.038 R)
• M20: 21,835,904 km (0.104 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: 192 - 13,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit