🌌 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: 314.6

Radius: 13.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.44 AU - 0.58 AU

Year: 256 Days

Day: 13.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 85.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,314,825 km

• M1: 172,935 km (0.079 R)
• M2: 638,334 km (0.088 R)
• M3: 1,078,900 km (0.072 R)
• M4: 1,593,217 km (0.081 R)
• M5: 2,133,266 km (0.064 R)
• M6: 2,921,347 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.9

Radius: 14

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.61 AU - 0.79 AU

Year: 412 Days

Day: 8.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,314,825 km

• M1: 175,179 km (0.11 R)
• M2: 654,939 km (0.112 R)
• M3: 1,247,197 km (0.089 R)
• M4: 1,823,748 km (0.076 R)
• M5: 2,779,678 km (0.106 R)
• M6: 3,360,118 km (0.095 R)
• M7: 3,887,301 km (0.081 R)
• M8: 4,440,663 km (0.058 R)
• M9: 5,587,480 km (0.105 R)
• M10: 6,148,772 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.4

Radius: 8.9

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.91 AU - 1.09 AU

Year: 703 Days

Day: 13.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,314,825 km

• M1: 110,702 km (0.069 R)
• M2: 431,141 km (0.058 R)
• M3: 765,044 km (0.07 R)
• M4: 1,077,105 km (0.117 R)
• M5: 1,372,560 km (0.117 R)
• M6: 1,756,728 km (0.111 R)
• M7: 2,262,369 km (0.116 R)
• M8: 3,072,142 km (0.078 R)
• M9: 3,399,462 km (0.095 R)
• M10: 3,867,255 km (0.097 R)
• M11: 4,171,237 km (0.113 R)
• M12: 5,704,316 km (0.115 R)
• M13: 6,428,819 km (0.09 R)
• M14: 7,281,228 km (0.109 R)
• M15: 8,507,332 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.1

Radius: 12.5

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.33 AU - 1.65 AU

Year: 1278 Days

Day: 9.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,314,825 km

• M1: 155,582 km (0.065 R)
• M2: 593,006 km (0.072 R)
• M3: 1,153,998 km (0.062 R)
• M4: 1,636,601 km (0.075 R)
• M5: 2,196,097 km (0.08 R)
• M6: 2,638,158 km (0.066 R)
• M7: 3,445,688 km (0.074 R)
• M8: 5,683,223 km (0.082 R)
• M9: 6,332,029 km (0.104 R)
• M10: 7,451,021 km (0.036 R)
• M11: 7,861,368 km (0.096 R)
• M12: 9,528,636 km (0.092 R)
• M13: 11,492,557 km (0.071 R)
• M14: 12,379,523 km (0.041 R)
• M15: 13,311,368 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.6

Radius: 14.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.54 AU - 4.08 AU

Year: 4233 Days

Day: 10.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,314,825 km

• M1: 193,430 km (0.058 R)
• M2: 721,959 km (0.084 R)
• M3: 1,231,490 km (0.1 R)
• M4: 1,838,707 km (0.108 R)
• M5: 2,324,751 km (0.094 R)
• M6: 3,201,993 km (0.081 R)
• M7: 4,011,766 km (0.046 R)
• M8: 5,371,162 km (0.117 R)
• M9: 5,988,852 km (0.062 R)
• M10: 6,435,850 km (0.106 R)
• M11: 7,636,822 km (0.085 R)
• M12: 8,291,013 km (0.061 R)
• M13: 9,290,477 km (0.098 R)
• M14: 11,093,729 km (0.095 R)
• M15: 13,652,152 km (0.093 R)
• M16: 14,477,035 km (0.09 R)
• M17: 15,383,448 km (0.097 R)
• M18: 17,842,239 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983

Radius: 6.8

Gravity: 21.26 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.91 AU - 7.71 AU

Year: 13893 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,314,825 km

• M1: 84,523 km (0.077 R)
• M2: 344,673 km (0.107 R)
• M3: 716,125 km (0.115 R)
• M4: 957,127 km (0.084 R)
• M5: 1,467,555 km (0.117 R)
• M6: 1,758,373 km (0.091 R)
• M7: 3,773,606 km (0.118 R)
• M8: 5,318,803 km (0.114 R)
• M9: 7,945,741 km (0.089 R)
• M10: 8,950,441 km (0.076 R)
• M11: 9,374,999 km (0.098 R)
• M12: 14,389,520 km (0.106 R)
• M13: 14,898,751 km (0.087 R)
• M14: 18,804,452 km (0.111 R)
• M15: 19,237,837 km (0.078 R)
• M16: 21,037,949 km (0.076 R)
• M17: 23,742,678 km (0.104 R)
• M18: 25,704,505 km (0.069 R)
• M19: 33,865,068 km (0.085 R)
• M20: 35,286,847 km (0.069 R)
• M21: 36,747,819 km (0.088 R)
• M22: 38,525,940 km (0.077 R)
• M23: 39,648,223 km (0.083 R)
• M24: 45,900,067 km (0.039 R)
• M25: 48,121,745 km (0.119 R)
• M26: 50,914,588 km (0.112 R)
• M27: 51,587,031 km (0.104 R)
• M28: 52,606,839 km (0.044 R)
• M29: 53,121,755 km (0.071 R)
• M30: 56,103,390 km (0.105 R)
• M31: 63,749,337 km (0.053 R)
• M32: 64,139,189 km (0.109 R)
• M33: 66,711,525 km (0.088 R)
• M34: 67,113,345 km (0.077 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 16,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit