🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.7

Radius: 9.2

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.66 AU - 0.82 AU

Year: 432 Days

Day: 12.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,541,171 km

• M1: 116,986 km (0.06 R)
• M2: 426,204 km (0.119 R)
• M3: 726,148 km (0.067 R)
• M4: 1,105,678 km (0.085 R)
• M5: 1,407,566 km (0.057 R)
• M6: 1,736,233 km (0.088 R)
• M7: 2,260,873 km (0.052 R)
• M8: 2,775,938 km (0.053 R)
• M9: 3,242,683 km (0.099 R)
• M10: 3,911,835 km (0.101 R)
• M11: 4,499,904 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.8

Radius: 11.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.69 AU - 0.97 AU

Year: 513 Days

Day: 10.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 10,541,171 km

• M1: 139,276 km (0.067 R)
• M2: 792,719 km (0.113 R)
• M3: 1,309,580 km (0.117 R)
• M4: 1,658,741 km (0.067 R)
• M5: 2,019,870 km (0.084 R)
• M6: 2,574,579 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.5

Radius: 11.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.86 AU - 1.14 AU

Year: 678 Days

Day: 6.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,541,171 km

• M1: 142,118 km (0.108 R)
• M2: 502,350 km (0.08 R)
• M3: 863,629 km (0.098 R)
• M4: 1,261,110 km (0.052 R)
• M5: 1,714,990 km (0.068 R)
• M6: 2,250,102 km (0.085 R)
• M7: 2,663,590 km (0.1 R)
• M8: 3,196,906 km (0.119 R)
• M9: 3,761,638 km (0.027 R)
• M10: 4,178,867 km (0.071 R)
• M11: 4,552,562 km (0.079 R)
• M12: 5,285,442 km (0.044 R)
• M13: 6,095,365 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 11.2

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.17 AU - 1.39 AU

Year: 982 Days

Day: 9.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 10,541,171 km

• M1: 139,276 km (0.094 R)
• M2: 521,947 km (0.117 R)
• M3: 1,096,403 km (0.09 R)
• M4: 1,503,010 km (0.084 R)
• M5: 1,992,045 km (0.039 R)
• M6: 2,364,993 km (0.108 R)
• M7: 2,796,882 km (0.06 R)
• M8: 3,572,547 km (0.073 R)
• M9: 4,353,896 km (0.068 R)
• M10: 5,208,399 km (0.108 R)
• M11: 5,804,547 km (0.103 R)
• M12: 7,318,777 km (0.112 R)
• M13: 9,299,452 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.7

Radius: 13.5

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.17 AU - 1.87 AU

Year: 1271 Days

Day: 13.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 10,541,171 km

• M1: 169,644 km (0.077 R)
• M2: 603,777 km (0.12 R)
• M3: 1,253,630 km (0.1 R)
• M4: 1,899,893 km (0.073 R)
• M5: 2,373,669 km (0.116 R)
• M6: 3,462,592 km (0.111 R)
• M7: 3,982,744 km (0.116 R)
• M8: 4,842,932 km (0.074 R)
• M9: 5,802,752 km (0.094 R)
• M10: 6,631,524 km (0.084 R)
• M11: 7,512,805 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.3

Radius: 9.8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.22 AU - 2.02 AU

Year: 1399 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 10,541,171 km

• M1: 122,670 km (0.095 R)
• M2: 553,811 km (0.109 R)
• M3: 885,320 km (0.079 R)
• M4: 1,279,810 km (0.078 R)
• M5: 1,720,076 km (0.088 R)
• M6: 2,038,271 km (0.073 R)
• M7: 2,370,827 km (0.107 R)
• M8: 3,365,802 km (0.09 R)
• M9: 3,939,959 km (0.097 R)
• M10: 4,422,113 km (0.107 R)
• M11: 5,069,124 km (0.053 R)
• M12: 6,376,759 km (0.112 R)
• M13: 8,274,557 km (0.096 R)
• M14: 9,352,859 km (0.059 R)
• M15: 9,677,486 km (0.091 R)
• M16: 10,043,253 km (0.075 R)
• M17: 11,051,991 km (0.074 R)
• M18: 11,748,669 km (0.059 R)
• M19: 12,749,179 km (0.12 R)
• M20: 13,189,147 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 11.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.33 AU - 2.03 AU

Year: 1477 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 10,541,171 km

• M1: 147,204 km (0.1 R)
• M2: 566,228 km (0.08 R)
• M3: 1,075,160 km (0.099 R)
• M4: 1,591,422 km (0.046 R)
• M5: 2,217,040 km (0.104 R)
• M6: 2,721,185 km (0.096 R)
• M7: 3,108,045 km (0.104 R)
• M8: 3,561,477 km (0.081 R)
• M9: 4,058,889 km (0.09 R)
• M10: 4,818,547 km (0.117 R)
• M11: 5,448,803 km (0.096 R)
• M12: 6,735,195 km (0.077 R)
• M13: 7,474,508 km (0.102 R)
• M14: 8,400,220 km (0.104 R)
• M15: 9,058,600 km (0.032 R)
• M16: 9,692,296 km (0.067 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: 491 - 14,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit