🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 13.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.73 AU - 0.79 AU

Year: 457 Days

Day: 8.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,444,533 km

• M1: 173,384 km (0.037 R)
• M2: 682,166 km (0.103 R)
• M3: 1,382,135 km (0.055 R)
• M4: 2,314,429 km (0.088 R)
• M5: 2,937,953 km (0.028 R)
• M6: 3,505,976 km (0.116 R)
• M7: 4,034,954 km (0.072 R)
• M8: 4,616,889 km (0.097 R)
• M9: 5,089,918 km (0.118 R)
• M10: 5,560,553 km (0.067 R)
• M11: 6,041,959 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 8.9

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.06 AU - 1.3 AU

Year: 885 Days

Day: 14.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,444,533 km

• M1: 110,852 km (0.102 R)
• M2: 413,489 km (0.073 R)
• M3: 757,414 km (0.089 R)
• M4: 1,095,505 km (0.097 R)
• M5: 1,373,907 km (0.089 R)
• M6: 2,051,884 km (0.077 R)
• M7: 4,867,167 km (0.108 R)
• M8: 5,216,328 km (0.065 R)
• M9: 5,653,752 km (0.093 R)
• M10: 6,582,157 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 12.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.45 AU - 1.85 AU

Year: 1463 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,444,533 km

• M1: 154,684 km (0.117 R)
• M2: 597,045 km (0.032 R)
• M3: 1,114,803 km (0.037 R)
• M4: 1,532,630 km (0.116 R)
• M5: 2,014,335 km (0.107 R)
• M6: 3,365,354 km (0.102 R)
• M7: 4,671,044 km (0.092 R)
• M8: 5,105,925 km (0.03 R)
• M9: 5,764,754 km (0.065 R)
• M10: 6,360,602 km (0.085 R)
• M11: 6,771,996 km (0.049 R)
• M12: 7,756,799 km (0.107 R)
• M13: 8,716,619 km (0.113 R)
• M14: 9,134,147 km (0.104 R)
• M15: 9,690,800 km (0.116 R)
• M16: 10,872,025 km (0.077 R)
• M17: 11,426,884 km (0.111 R)
• M18: 12,480,801 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.5

Radius: 12.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.02 AU - 3.12 AU

Year: 3713 Days

Day: 14.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,444,533 km

• M1: 154,235 km (0.079 R)
• M2: 584,628 km (0.118 R)
• M3: 1,470,248 km (0.076 R)
• M4: 2,226,316 km (0.083 R)
• M5: 2,669,574 km (0.084 R)
• M6: 3,171,774 km (0.107 R)
• M7: 3,716,161 km (0.102 R)
• M8: 4,649,502 km (0.087 R)
• M9: 5,650,461 km (0.064 R)
• M10: 7,332,091 km (0.068 R)
• M11: 8,288,320 km (0.095 R)
• M12: 8,871,004 km (0.05 R)
• M13: 9,996,878 km (0.065 R)
• M14: 10,699,838 km (0.041 R)
• M15: 12,158,417 km (0.098 R)
• M16: 14,510,993 km (0.083 R)
• M17: 15,358,615 km (0.038 R)
• M18: 15,904,946 km (0.053 R)
• M19: 16,577,538 km (0.12 R)
• M20: 17,327,622 km (0.084 R)
• M21: 19,082,256 km (0.057 R)
• M22: 19,906,091 km (0.083 R)
• M23: 20,359,373 km (0.036 R)
• M24: 24,755,755 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 9.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.9 AU - 4.22 AU

Year: 5647 Days

Day: 14.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,444,533 km

• M1: 117,434 km (0.107 R)
• M2: 597,045 km (0.064 R)
• M3: 976,575 km (0.119 R)
• M4: 1,419,684 km (0.098 R)
• M5: 1,993,541 km (0.11 R)
• M6: 2,920,749 km (0.086 R)
• M7: 3,521,085 km (0.086 R)
• M8: 4,134,137 km (0.04 R)
• M9: 5,710,600 km (0.115 R)
• M10: 6,496,288 km (0.119 R)
• M11: 9,286,737 km (0.089 R)
• M12: 10,497,133 km (0.056 R)
• M13: 12,084,666 km (0.042 R)
• M14: 14,651,915 km (0.026 R)
• M15: 15,400,802 km (0.074 R)
• M16: 17,384,619 km (0.054 R)
• M17: 18,345,935 km (0.103 R)
• M18: 20,243,434 km (0.1 R)
• M19: 20,837,188 km (0.094 R)
• M20: 21,510,678 km (0.061 R)
• M21: 23,114,517 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.9

Radius: 6.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.23 AU - 7.87 AU

Year: 14320 Days

Day: 24 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,444,533 km

• M1: 85,271 km (0.062 R)
• M2: 774,767 km (0.047 R)
• M3: 1,238,820 km (0.114 R)
• M4: 1,906,625 km (0.05 R)
• M5: 2,123,841 km (0.112 R)
• M6: 2,689,171 km (0.026 R)
• M7: 2,985,375 km (0.118 R)
• M8: 3,519,290 km (0.106 R)
• M9: 3,848,256 km (0.079 R)
• M10: 4,309,167 km (0.108 R)
• M11: 4,596,993 km (0.094 R)
• M12: 4,928,651 km (0.085 R)
• M13: 5,406,317 km (0.109 R)
• M14: 6,869,983 km (0.11 R)
• M15: 8,625,065 km (0.098 R)
• M16: 9,318,451 km (0.098 R)
• M17: 9,899,340 km (0.104 R)
• M18: 10,607,387 km (0.101 R)
• M19: 11,294,639 km (0.083 R)
• M20: 13,718,125 km (0.1 R)
• M21: 22,084,834 km (0.054 R)
• M22: 22,339,600 km (0.114 R)
• M23: 24,178,756 km (0.049 R)
• M24: 25,833,458 km (0.072 R)
• M25: 27,366,537 km (0.115 R)
• M26: 30,402,626 km (0.118 R)
• M27: 31,035,724 km (0.094 R)
• M28: 35,715,744 km (0.065 R)
• M29: 37,494,911 km (0.057 R)
• M30: 40,463,382 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 16,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit