🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.1

Radius: 12.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.54 AU - 0.84 AU

Year: 389 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,969,275 km

• M1: 160,369 km (0.111 R)
• M2: 624,721 km (0.1 R)
• M3: 1,061,397 km (0.043 R)
• M4: 1,799,962 km (0.082 R)
• M5: 2,282,116 km (0.112 R)
• M6: 2,725,972 km (0.094 R)
• M7: 3,185,387 km (0.096 R)
• M8: 4,327,118 km (0.105 R)
• M9: 4,814,807 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.5

Radius: 11.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.73 AU - 0.77 AU

Year: 441 Days

Day: 10.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,969,275 km

• M1: 139,874 km (0.078 R)
• M2: 519,703 km (0.113 R)
• M3: 913,744 km (0.052 R)
• M4: 1,342,491 km (0.049 R)
• M5: 1,732,493 km (0.109 R)
• M6: 2,356,166 km (0.111 R)
• M7: 2,705,627 km (0.047 R)
• M8: 3,136,170 km (0.087 R)
• M9: 3,651,086 km (0.115 R)
• M10: 4,066,669 km (0.117 R)
• M11: 4,665,060 km (0.102 R)
• M12: 5,025,890 km (0.071 R)
• M13: 5,507,595 km (0.096 R)
• M14: 6,372,720 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 14

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.18 AU - 1.24 AU

Year: 903 Days

Day: 12.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 85,969,275 km

• M1: 174,132 km (0.076 R)
• M2: 643,420 km (0.108 R)
• M3: 1,083,687 km (0.076 R)
• M4: 1,573,321 km (0.03 R)
• M5: 2,075,222 km (0.109 R)
• M6: 2,551,840 km (0.108 R)
• M7: 3,433,271 km (0.1 R)
• M8: 4,095,541 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.8

Radius: 9.7

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.24 AU - 1.7 AU

Year: 1209 Days

Day: 12.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 140 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,969,275 km

• M1: 121,025 km (0.107 R)
• M2: 444,455 km (0.061 R)
• M3: 895,642 km (0.058 R)
• M4: 1,328,279 km (0.12 R)
• M5: 1,679,386 km (0.035 R)
• M6: 2,324,153 km (0.118 R)
• M7: 2,974,006 km (0.091 R)
• M8: 3,371,637 km (0.087 R)
• M9: 3,836,886 km (0.082 R)
• M10: 4,469,236 km (0.115 R)
• M11: 5,854,363 km (0.096 R)
• M12: 6,505,114 km (0.109 R)
• M13: 7,480,642 km (0.12 R)
• M14: 8,495,214 km (0.114 R)
• M15: 9,997,476 km (0.089 R)
• M16: 11,226,722 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.3

Radius: 9.7

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.75 AU - 4.53 AU

Year: 5713 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,969,275 km

• M1: 120,576 km (0.094 R)
• M2: 463,753 km (0.074 R)
• M3: 837,150 km (0.057 R)
• M4: 1,300,454 km (0.055 R)
• M5: 1,828,535 km (0.072 R)
• M6: 2,442,185 km (0.056 R)
• M7: 3,125,249 km (0.061 R)
• M8: 3,882,663 km (0.086 R)
• M9: 5,300,851 km (0.094 R)
• M10: 5,603,039 km (0.056 R)
• M11: 6,110,774 km (0.092 R)
• M12: 7,781,483 km (0.074 R)
• M13: 10,238,179 km (0.11 R)
• M14: 10,660,943 km (0.102 R)
• M15: 11,693,018 km (0.113 R)
• M16: 13,170,896 km (0.038 R)
• M17: 15,008,107 km (0.119 R)
• M18: 16,239,597 km (0.071 R)
• M19: 17,272,271 km (0.107 R)
• M20: 18,623,888 km (0.084 R)
• M21: 19,113,372 km (0.079 R)
• M22: 19,972,213 km (0.087 R)
• M23: 20,707,337 km (0.055 R)
• M24: 24,157,962 km (0.119 R)
• M25: 29,268,075 km (0.12 R)
• M26: 29,929,747 km (0.077 R)
• M27: 34,633,702 km (0.069 R)
• M28: 34,949,653 km (0.063 R)
• M29: 35,694,501 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.9

Radius: 12.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.57 AU - 5.03 AU

Year: 6048 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,969,275 km

• M1: 151,692 km (0.09 R)
• M2: 551,717 km (0.094 R)
• M3: 939,325 km (0.115 R)
• M4: 1,532,331 km (0.117 R)
• M5: 2,349,734 km (0.057 R)
• M6: 2,877,515 km (0.054 R)
• M7: 3,528,266 km (0.098 R)
• M8: 5,096,051 km (0.088 R)
• M9: 5,699,529 km (0.057 R)
• M10: 6,452,156 km (0.066 R)
• M11: 7,159,455 km (0.084 R)
• M12: 7,608,249 km (0.083 R)
• M13: 8,438,965 km (0.053 R)
• M14: 9,068,623 km (0.082 R)
• M15: 9,865,381 km (0.087 R)
• M16: 11,296,434 km (0.111 R)
• M17: 13,080,539 km (0.119 R)
• M18: 14,924,931 km (0.116 R)
• M19: 15,784,221 km (0.115 R)
• M20: 17,266,885 km (0.107 R)
• M21: 19,553,788 km (0.08 R)
• M22: 20,210,972 km (0.085 R)
• M23: 27,254,638 km (0.12 R)
• M24: 27,799,772 km (0.064 R)
• M25: 28,911,733 km (0.082 R)
• M26: 30,053,165 km (0.114 R)
• M27: 33,553,905 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.2

Radius: 4.9

Gravity: 37.78 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.33 AU - 10.31 AU

Year: 20872 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,969,275 km

• M1: 61,036 km (0.079 R)
• M2: 387,010 km (0.103 R)
• M3: 717,771 km (0.096 R)
• M4: 2,091,827 km (0.06 R)
• M5: 2,955,904 km (0.107 R)
• M6: 3,176,412 km (0.099 R)
• M7: 3,558,036 km (0.085 R)
• M8: 4,342,228 km (0.049 R)
• M9: 6,380,349 km (0.075 R)
• M10: 6,609,234 km (0.104 R)
• M11: 7,181,147 km (0.081 R)
• M12: 8,532,464 km (0.05 R)
• M13: 8,810,567 km (0.071 R)
• M14: 10,292,184 km (0.111 R)
• M15: 12,070,753 km (0.118 R)
• M16: 23,436,451 km (0.101 R)
• M17: 24,535,397 km (0.086 R)
• M18: 25,324,825 km (0.119 R)
• M19: 26,247,694 km (0.081 R)
• M20: 27,192,555 km (0.099 R)
• M21: 28,405,494 km (0.109 R)
• M22: 30,678,783 km (0.114 R)
• M23: 40,360,309 km (0.03 R)
• M24: 41,301,130 km (0.066 R)
• M25: 41,617,978 km (0.116 R)
• M26: 43,226,454 km (0.12 R)
• M27: 47,775,426 km (0.087 R)
• M28: 53,379,961 km (0.104 R)
• M29: 54,703,453 km (0.056 R)
• M30: 57,612,833 km (0.111 R)
• M31: 66,521,386 km (0.069 R)
• M32: 69,384,988 km (0.119 R)
• M33: 70,282,426 km (0.092 R)
• M34: 71,187,493 km (0.092 R)
• M35: 71,871,455 km (0.157 R)
• M36: 72,790,135 km (0.097 R)
• M37: 76,543,097 km (0.083 R)
• M38: 82,662,248 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 10,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit