🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 10

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.63 AU - 0.79 AU

Year: 380 Days

Day: 14.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,025,461 km

• M1: 124,465 km (0.095 R)
• M2: 893,997 km (0.109 R)
• M3: 1,405,921 km (0.114 R)
• M4: 1,727,257 km (0.089 R)
• M5: 2,450,563 km (0.057 R)
• M6: 2,922,095 km (0.086 R)
• M7: 4,047,819 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 14

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.36 AU - 1.9 AU

Year: 1323 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,025,461 km

• M1: 174,282 km (0.102 R)
• M2: 615,446 km (0.057 R)
• M3: 1,102,536 km (0.076 R)
• M4: 1,868,178 km (0.119 R)
• M5: 2,499,332 km (0.077 R)
• M6: 2,955,306 km (0.11 R)
• M7: 4,160,466 km (0.095 R)
• M8: 4,826,626 km (0.086 R)
• M9: 5,288,883 km (0.085 R)
• M10: 5,736,779 km (0.091 R)
• M11: 6,660,845 km (0.077 R)
• M12: 7,261,630 km (0.092 R)
• M13: 8,174,476 km (0.073 R)
• M14: 8,834,502 km (0.043 R)
• M15: 10,927,825 km (0.076 R)
• M16: 11,658,312 km (0.107 R)
• M17: 12,607,809 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 8

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.41 AU - 2.11 AU

Year: 1485 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,025,461 km

• M1: 99,632 km (0.088 R)
• M2: 438,920 km (0.118 R)
• M3: 972,685 km (0.087 R)
• M4: 1,329,476 km (0.07 R)
• M5: 1,614,460 km (0.051 R)
• M6: 1,897,350 km (0.04 R)
• M7: 2,300,366 km (0.116 R)
• M8: 2,871,980 km (0.034 R)
• M9: 4,811,816 km (0.03 R)
• M10: 5,161,426 km (0.097 R)
• M11: 5,456,732 km (0.118 R)
• M12: 6,215,642 km (0.087 R)
• M13: 6,570,338 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.8

Radius: 13.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.51 AU - 2.03 AU

Year: 1497 Days

Day: 13.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,025,461 km

• M1: 171,589 km (0.057 R)
• M2: 644,767 km (0.071 R)
• M3: 1,295,817 km (0.117 R)
• M4: 1,818,063 km (0.114 R)
• M5: 2,481,230 km (0.034 R)
• M6: 3,256,297 km (0.039 R)
• M7: 3,701,650 km (0.083 R)
• M8: 4,816,004 km (0.036 R)
• M9: 7,164,242 km (0.114 R)
• M10: 7,840,424 km (0.088 R)
• M11: 8,707,793 km (0.104 R)
• M12: 10,194,347 km (0.11 R)
• M13: 10,806,501 km (0.083 R)
• M14: 12,908,202 km (0.09 R)
• M15: 13,423,417 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.7

Radius: 13

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.02 AU - 3.26 AU

Year: 2727 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,025,461 km

• M1: 161,715 km (0.079 R)
• M2: 668,702 km (0.099 R)
• M3: 1,105,678 km (0.083 R)
• M4: 1,616,555 km (0.045 R)
• M5: 2,023,311 km (0.113 R)
• M6: 2,458,192 km (0.099 R)
• M7: 3,050,749 km (0.033 R)
• M8: 3,811,604 km (0.091 R)
• M9: 4,892,150 km (0.063 R)
• M10: 6,953,309 km (0.117 R)
• M11: 9,435,586 km (0.085 R)
• M12: 10,743,072 km (0.1 R)
• M13: 15,245,818 km (0.11 R)
• M14: 17,724,206 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.8

Radius: 8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.97 AU - 5.27 AU

Year: 7366 Days

Day: 11 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,025,461 km

• M1: 100,081 km (0.1 R)
• M2: 360,680 km (0.094 R)
• M3: 752,776 km (0.058 R)
• M4: 1,283,999 km (0.113 R)
• M5: 3,285,768 km (0.092 R)
• M6: 3,539,635 km (0.118 R)
• M7: 3,985,287 km (0.119 R)
• M8: 4,359,731 km (0.091 R)
• M9: 4,965,303 km (0.059 R)
• M10: 5,990,497 km (0.082 R)
• M11: 7,301,722 km (0.081 R)
• M12: 9,108,416 km (0.063 R)
• M13: 11,647,092 km (0.034 R)
• M14: 12,854,197 km (0.102 R)
• M15: 16,390,092 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.4

Radius: 8.5

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.34 AU - 5.56 AU

Year: 8090 Days

Day: 10.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,025,461 km

• M1: 108,608 km (0.117 R)
• M2: 397,781 km (0.106 R)
• M3: 800,648 km (0.113 R)
• M4: 1,116,150 km (0.096 R)
• M5: 1,654,852 km (0.082 R)
• M6: 2,290,643 km (0.088 R)
• M7: 2,601,507 km (0.087 R)
• M8: 3,991,720 km (0.117 R)
• M9: 4,392,642 km (0.082 R)
• M10: 6,370,476 km (0.118 R)
• M11: 6,744,321 km (0.071 R)
• M12: 7,724,037 km (0.088 R)
• M13: 9,963,517 km (0.11 R)
• M14: 11,477,747 km (0.062 R)
• M15: 12,393,884 km (0.115 R)
• M16: 13,858,298 km (0.045 R)
• M17: 14,256,079 km (0.048 R)
• M18: 15,800,527 km (0.12 R)
• M19: 17,127,161 km (0.12 R)
• M20: 19,009,252 km (0.07 R)
• M21: 22,471,994 km (0.086 R)
• M22: 23,100,454 km (0.114 R)
• M23: 24,722,993 km (0.111 R)
• M24: 26,594,163 km (0.091 R)
• M25: 30,424,766 km (0.08 R)
• M26: 33,988,337 km (0.104 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 19,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit