🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 13

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.48 AU - 0.54 AU

Year: 256 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 16,294,749 km

• M1: 161,715 km (0.085 R)
• M2: 578,495 km (0.091 R)
• M3: 1,021,903 km (0.111 R)
• M4: 1,696,141 km (0.093 R)
• M5: 2,156,005 km (0.05 R)
• M6: 2,907,135 km (0.114 R)
• M7: 3,344,560 km (0.062 R)
• M8: 3,756,403 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.8

Radius: 10.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.49 AU - 0.73 AU

Year: 335 Days

Day: 10.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,294,749 km

• M1: 125,961 km (0.079 R)
• M2: 551,717 km (0.113 R)
• M3: 886,966 km (0.076 R)
• M4: 1,417,141 km (0.111 R)
• M5: 1,937,143 km (0.086 R)
• M6: 2,338,664 km (0.1 R)
• M7: 2,769,057 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.7

Radius: 8.1

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.94 AU - 0.98 AU

Year: 661 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 16,294,749 km

• M1: 100,679 km (0.112 R)
• M2: 561,142 km (0.098 R)
• M3: 1,127,370 km (0.11 R)
• M4: 1,629,570 km (0.051 R)
• M5: 2,671,818 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.6

Radius: 14.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.85 AU - 1.15 AU

Year: 703 Days

Day: 11.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,294,749 km

• M1: 184,155 km (0.118 R)
• M2: 650,152 km (0.085 R)
• M3: 1,260,063 km (0.085 R)
• M4: 2,377,409 km (0.101 R)
• M5: 2,938,401 km (0.094 R)
• M6: 5,684,869 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 12.5

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.42 AU - 1.44 AU

Year: 1202 Days

Day: 8.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,294,749 km

• M1: 155,582 km (0.117 R)
• M2: 593,305 km (0.107 R)
• M3: 1,068,129 km (0.108 R)
• M4: 2,322,058 km (0.093 R)
• M5: 3,479,646 km (0.099 R)
• M6: 4,157,026 km (0.088 R)
• M7: 4,972,484 km (0.059 R)
• M8: 5,718,379 km (0.109 R)
• M9: 6,642,744 km (0.115 R)
• M10: 7,163,195 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 11.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.73 AU - 2.27 AU

Year: 1988 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 16,294,749 km

• M1: 141,819 km (0.109 R)
• M2: 509,082 km (0.067 R)
• M3: 898,485 km (0.103 R)
• M4: 1,304,942 km (0.064 R)
• M5: 2,024,807 km (0.117 R)
• M6: 2,715,800 km (0.064 R)
• M7: 3,080,370 km (0.103 R)
• M8: 3,541,879 km (0.116 R)
• M9: 4,031,812 km (0.087 R)
• M10: 4,585,923 km (0.085 R)
• M11: 5,961,625 km (0.068 R)
• M12: 6,732,353 km (0.103 R)
• M13: 7,460,296 km (0.091 R)
• M14: 9,383,526 km (0.083 R)
• M15: 11,436,757 km (0.119 R)
• M16: 12,935,877 km (0.099 R)
• M17: 13,611,162 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 11.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.63 AU - 2.39 AU

Year: 2003 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 16,294,749 km

• M1: 147,354 km (0.091 R)
• M2: 587,172 km (0.105 R)
• M3: 1,046,886 km (0.114 R)
• M4: 1,457,682 km (0.044 R)
• M5: 2,430,367 km (0.088 R)
• M6: 2,862,854 km (0.055 R)
• M7: 3,232,660 km (0.118 R)
• M8: 3,669,785 km (0.03 R)
• M9: 4,203,700 km (0.119 R)
• M10: 4,684,508 km (0.118 R)
• M11: 5,829,231 km (0.116 R)
• M12: 6,454,400 km (0.09 R)
• M13: 8,728,437 km (0.103 R)
• M14: 9,547,785 km (0.107 R)
• M15: 10,098,754 km (0.098 R)
• M16: 10,597,962 km (0.104 R)
• M17: 11,264,121 km (0.091 R)
• M18: 13,010,228 km (0.112 R)
• M19: 13,860,841 km (0.081 R)
• M20: 14,388,922 km (0.103 R)
• M21: 15,862,610 km (0.05 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: 473 - 13,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit