🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.7

Radius: 11.7

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.5 AU - 0.62 AU

Year: 295 Days

Day: 13.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,724,982 km

• M1: 146,606 km (0.105 R)
• M2: 557,551 km (0.083 R)
• M3: 934,837 km (0.106 R)
• M4: 1,364,333 km (0.083 R)
• M5: 2,138,651 km (0.067 R)
• M6: 2,528,204 km (0.114 R)
• M7: 2,996,445 km (0.092 R)
• M8: 3,373,881 km (0.062 R)
• M9: 3,893,883 km (0.114 R)
• M10: 4,385,611 km (0.05 R)
• M11: 5,110,562 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.9

Radius: 14.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.63 AU - 0.71 AU

Year: 385 Days

Day: 13.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 19,724,982 km

• M1: 180,265 km (0.104 R)
• M2: 631,602 km (0.079 R)
• M3: 1,117,197 km (0.118 R)
• M4: 2,148,076 km (0.088 R)
• M5: 4,006,231 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.6

Radius: 14.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.57 AU - 0.83 AU

Year: 412 Days

Day: 13.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,724,982 km

• M1: 178,021 km (0.045 R)
• M2: 660,624 km (0.097 R)
• M3: 1,308,682 km (0.088 R)
• M4: 1,807,292 km (0.039 R)
• M5: 2,461,932 km (0.088 R)
• M6: 3,051,198 km (0.089 R)
• M7: 3,515,400 km (0.115 R)
• M8: 4,474,921 km (0.109 R)
• M9: 5,001,805 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.7

Radius: 8.9

Gravity: 12.51 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.26 AU - 1.34 AU

Year: 1042 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,724,982 km

• M1: 110,702 km (0.12 R)
• M2: 763,248 km (0.102 R)
• M3: 1,130,511 km (0.054 R)
• M4: 1,588,281 km (0.106 R)
• M5: 2,078,363 km (0.119 R)
• M6: 2,442,933 km (0.106 R)
• M7: 2,809,897 km (0.103 R)
• M8: 3,112,533 km (0.039 R)
• M9: 3,391,533 km (0.07 R)
• M10: 4,017,152 km (0.038 R)
• M11: 4,348,810 km (0.035 R)
• M12: 5,127,467 km (0.074 R)
• M13: 5,996,032 km (0.107 R)
• M14: 8,353,396 km (0.101 R)
• M15: 10,274,083 km (0.05 R)
• M16: 11,931,178 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.3

Radius: 13.1

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.51 AU - 1.94 AU

Year: 1586 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 56.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,724,982 km

• M1: 162,912 km (0.098 R)
• M2: 607,517 km (0.098 R)
• M3: 1,029,533 km (0.094 R)
• M4: 1,443,171 km (0.027 R)
• M5: 2,252,495 km (0.069 R)
• M6: 2,899,955 km (0.104 R)
• M7: 3,456,908 km (0.116 R)
• M8: 4,436,026 km (0.084 R)
• M9: 6,460,085 km (0.076 R)
• M10: 7,228,270 km (0.078 R)
• M11: 7,690,079 km (0.1 R)
• M12: 8,258,700 km (0.119 R)
• M13: 8,916,482 km (0.073 R)
• M14: 9,512,330 km (0.117 R)
• M15: 10,438,939 km (0.098 R)
• M16: 11,172,717 km (0.057 R)
• M17: 12,356,635 km (0.107 R)
• M18: 12,979,111 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.3

Radius: 13.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.56 AU - 2.4 AU

Year: 1958 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 19,724,982 km

• M1: 169,195 km (0.114 R)
• M2: 811,120 km (0.092 R)
• M3: 1,286,242 km (0.094 R)
• M4: 1,766,003 km (0.06 R)
• M5: 2,317,570 km (0.114 R)
• M6: 3,315,388 km (0.113 R)
• M7: 3,983,941 km (0.094 R)
• M8: 4,427,199 km (0.091 R)
• M9: 5,197,180 km (0.081 R)
• M10: 6,150,417 km (0.104 R)
• M11: 7,823,221 km (0.055 R)
• M12: 8,255,858 km (0.113 R)
• M13: 9,683,620 km (0.109 R)
• M14: 10,594,970 km (0.095 R)
• M15: 11,270,105 km (0.056 R)
• M16: 12,549,765 km (0.051 R)
• M17: 14,008,045 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 8.3

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.15 AU - 2.57 AU

Year: 2548 Days

Day: 11.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,724,982 km

• M1: 103,821 km (0.042 R)
• M2: 409,749 km (0.086 R)
• M3: 704,905 km (0.054 R)
• M4: 1,312,572 km (0.082 R)
• M5: 2,286,753 km (0.119 R)
• M6: 2,721,335 km (0.055 R)
• M7: 3,192,867 km (0.067 R)
• M8: 4,071,904 km (0.08 R)
• M9: 5,491,887 km (0.093 R)
• M10: 6,084,295 km (0.101 R)
• M11: 7,155,715 km (0.101 R)
• M12: 7,580,573 km (0.098 R)
• M13: 8,249,425 km (0.096 R)
• M14: 10,647,329 km (0.052 R)
• M15: 10,961,634 km (0.098 R)
• M16: 14,076,262 km (0.071 R)
• M17: 15,134,667 km (0.102 R)
• M18: 16,039,285 km (0.094 R)
• M19: 18,233,886 km (0.081 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 15,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit