🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.7

Radius: 12.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.56 AU - 0.58 AU

Year: 287 Days

Day: 9.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,752,580 km

• M1: 159,322 km (0.11 R)
• M2: 599,738 km (0.103 R)
• M3: 1,030,281 km (0.099 R)
• M4: 1,455,138 km (0.113 R)
• M5: 1,885,382 km (0.088 R)
• M6: 2,545,109 km (0.109 R)
• M7: 3,064,064 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 9.3

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.58 AU - 2.26 AU

Year: 1774 Days

Day: 7.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,752,580 km

• M1: 115,639 km (0.039 R)
• M2: 526,734 km (0.072 R)
• M3: 828,174 km (0.107 R)
• M4: 1,211,444 km (0.068 R)
• M5: 1,534,126 km (0.065 R)
• M6: 2,111,275 km (0.064 R)
• M7: 2,444,579 km (0.093 R)
• M8: 2,868,689 km (0.11 R)
• M9: 3,435,665 km (0.071 R)
• M10: 4,111,249 km (0.115 R)
• M11: 4,994,774 km (0.106 R)
• M12: 5,838,805 km (0.083 R)
• M13: 7,724,935 km (0.116 R)
• M14: 8,881,775 km (0.099 R)
• M15: 9,250,534 km (0.054 R)
• M16: 9,693,493 km (0.09 R)
• M17: 10,967,469 km (0.076 R)
• M18: 11,535,941 km (0.113 R)
• M19: 12,387,452 km (0.105 R)
• M20: 12,886,959 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 10.6

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.17 AU - 2.19 AU

Year: 2146 Days

Day: 14.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,752,580 km

• M1: 320,588 km (0.096 R)
• M2: 680,970 km (0.099 R)
• M3: 1,136,495 km (0.108 R)
• M4: 1,605,634 km (0.105 R)
• M5: 2,864,650 km (0.1 R)
• M6: 6,238,680 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 9.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.46 AU - 2.52 AU

Year: 2620 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,752,580 km

• M1: 127,607 km (0.113 R)
• M2: 509,231 km (0.116 R)
• M3: 1,324,390 km (0.12 R)
• M4: 1,829,432 km (0.048 R)
• M5: 2,752,152 km (0.094 R)
• M6: 3,921,858 km (0.08 R)
• M7: 5,012,875 km (0.108 R)
• M8: 5,918,840 km (0.101 R)
• M9: 6,821,663 km (0.074 R)
• M10: 8,390,795 km (0.098 R)
• M11: 10,223,369 km (0.066 R)
• M12: 10,840,011 km (0.118 R)
• M13: 11,290,151 km (0.087 R)
• M14: 12,227,831 km (0.119 R)
• M15: 13,817,607 km (0.078 R)
• M16: 14,169,162 km (0.118 R)
• M17: 15,730,067 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.6

Radius: 9.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.04 AU - 3.68 AU

Year: 4107 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,752,580 km

• M1: 113,844 km (0.06 R)
• M2: 455,675 km (0.052 R)
• M3: 830,418 km (0.098 R)
• M4: 1,173,745 km (0.098 R)
• M5: 1,858,155 km (0.107 R)
• M6: 2,458,192 km (0.112 R)
• M7: 3,146,342 km (0.077 R)
• M8: 3,772,709 km (0.115 R)
• M9: 4,191,284 km (0.086 R)
• M10: 4,829,318 km (0.117 R)
• M11: 7,135,220 km (0.09 R)
• M12: 7,580,573 km (0.111 R)
• M13: 8,456,917 km (0.098 R)
• M14: 9,588,326 km (0.056 R)
• M15: 10,983,625 km (0.098 R)
• M16: 11,621,211 km (0.109 R)
• M17: 11,926,989 km (0.099 R)
• M18: 12,830,860 km (0.082 R)
• M19: 16,464,293 km (0.064 R)
• M20: 17,299,348 km (0.074 R)
• M21: 17,583,883 km (0.103 R)
• M22: 18,045,692 km (0.114 R)
• M23: 19,053,832 km (0.108 R)
• M24: 21,442,312 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.4

Radius: 6.4

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 9.88 AU - 11.98 AU

Year: 24097 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,752,580 km

• M1: 80,035 km (0.102 R)
• M2: 505,641 km (0.116 R)
• M3: 1,056,610 km (0.037 R)
• M4: 1,517,521 km (0.108 R)
• M5: 1,821,055 km (0.094 R)
• M6: 3,083,811 km (0.119 R)
• M7: 3,460,049 km (0.109 R)
• M8: 3,717,806 km (0.118 R)
• M9: 4,809,272 km (0.067 R)
• M10: 5,466,605 km (0.041 R)
• M11: 7,048,752 km (0.097 R)
• M12: 7,323,863 km (0.093 R)
• M13: 9,181,420 km (0.073 R)
• M14: 12,424,552 km (0.116 R)
• M15: 13,030,423 km (0.089 R)
• M16: 13,585,431 km (0.107 R)
• M17: 15,268,707 km (0.098 R)
• M18: 16,438,712 km (0.113 R)
• M19: 19,043,659 km (0.072 R)
• M20: 20,676,071 km (0.114 R)
• M21: 21,814,810 km (0.056 R)
• M22: 22,795,275 km (0.083 R)
• M23: 24,633,384 km (0.079 R)
• M24: 26,238,868 km (0.073 R)
• M25: 30,014,120 km (0.089 R)
• M26: 37,777,352 km (0.075 R)
• M27: 39,332,272 km (0.083 R)
• M28: 43,328,630 km (0.07 R)
• M29: 44,407,230 km (0.113 R)
• M30: 48,241,274 km (0.056 R)
• M31: 60,290,934 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 14,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit