🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 11.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.63 AU - 0.63 AU

Year: 345 Days

Day: 14.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,637,971 km

• M1: 146,756 km (0.037 R)
• M2: 576,999 km (0.051 R)
• M3: 1,025,045 km (0.104 R)
• M4: 1,425,219 km (0.099 R)
• M5: 2,010,147 km (0.066 R)
• M6: 2,687,975 km (0.1 R)
• M7: 3,230,865 km (0.052 R)
• M8: 3,766,426 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854

Radius: 8.5

Gravity: 11.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.75 AU - 1.09 AU

Year: 609 Days

Day: 8.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,637,971 km

• M1: 105,766 km (0.026 R)
• M2: 399,277 km (0.076 R)
• M3: 681,269 km (0.055 R)
• M4: 1,044,193 km (0.079 R)
• M5: 1,474,885 km (0.059 R)
• M6: 1,816,417 km (0.103 R)
• M7: 2,200,734 km (0.09 R)
• M8: 2,660,897 km (0.103 R)
• M9: 2,974,305 km (0.104 R)
• M10: 3,260,486 km (0.114 R)
• M11: 3,903,308 km (0.117 R)
• M12: 4,324,874 km (0.097 R)
• M13: 5,277,364 km (0.101 R)
• M14: 5,605,432 km (0.106 R)
• M15: 6,547,450 km (0.048 R)
• M16: 7,298,132 km (0.113 R)
• M17: 7,775,499 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.2

Radius: 13.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.83 AU - 1.27 AU

Year: 743 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,637,971 km

• M1: 166,652 km (0.038 R)
• M2: 677,828 km (0.118 R)
• M3: 1,362,537 km (0.072 R)
• M4: 2,949,920 km (0.118 R)
• M5: 3,958,808 km (0.101 R)
• M6: 4,895,142 km (0.075 R)
• M7: 6,307,345 km (0.092 R)
• M8: 7,449,376 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 13.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.07 AU - 1.11 AU

Year: 786 Days

Day: 9.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,637,971 km

• M1: 169,046 km (0.098 R)
• M2: 714,779 km (0.049 R)
• M3: 1,324,988 km (0.071 R)
• M4: 1,780,813 km (0.119 R)
• M5: 2,256,833 km (0.066 R)
• M6: 2,980,738 km (0.088 R)
• M7: 4,043,780 km (0.119 R)
• M8: 4,537,303 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.9

Radius: 13.6

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.34 AU - 3.08 AU

Year: 3079 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,637,971 km

• M1: 169,345 km (0.111 R)
• M2: 604,076 km (0.093 R)
• M3: 1,191,248 km (0.097 R)
• M4: 1,786,348 km (0.041 R)
• M5: 2,322,956 km (0.1 R)
• M6: 4,166,301 km (0.073 R)
• M7: 4,828,720 km (0.115 R)
• M8: 5,429,356 km (0.101 R)
• M9: 5,939,783 km (0.088 R)
• M10: 6,452,755 km (0.099 R)
• M11: 7,633,979 km (0.086 R)
• M12: 8,311,209 km (0.093 R)
• M13: 8,991,430 km (0.063 R)
• M14: 10,959,989 km (0.116 R)
• M15: 12,499,351 km (0.113 R)
• M16: 12,964,600 km (0.119 R)
• M17: 14,839,062 km (0.091 R)
• M18: 15,680,101 km (0.085 R)
• M19: 18,755,235 km (0.12 R)
• M20: 21,146,557 km (0.076 R)
• M21: 22,009,437 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 10.7

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.92 AU - 4.16 AU

Year: 4597 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,637,971 km

• M1: 136,433 km (0.112 R)
• M2: 613,351 km (0.119 R)
• M3: 1,037,162 km (0.099 R)
• M4: 1,430,305 km (0.081 R)
• M5: 1,867,879 km (0.116 R)
• M6: 2,297,375 km (0.081 R)
• M7: 2,998,390 km (0.089 R)
• M8: 4,770,676 km (0.109 R)
• M9: 6,159,692 km (0.077 R)
• M10: 6,578,566 km (0.08 R)
• M11: 7,189,823 km (0.051 R)
• M12: 7,913,129 km (0.086 R)
• M13: 8,369,851 km (0.074 R)
• M14: 8,723,949 km (0.115 R)
• M15: 11,063,511 km (0.039 R)
• M16: 11,586,953 km (0.109 R)
• M17: 11,928,485 km (0.063 R)
• M18: 13,684,764 km (0.104 R)
• M19: 15,607,247 km (0.093 R)
• M20: 18,552,530 km (0.067 R)
• M21: 18,953,452 km (0.084 R)
• M22: 19,428,425 km (0.048 R)
• M23: 21,628,262 km (0.115 R)
• M24: 24,866,756 km (0.078 R)
• M25: 27,714,801 km (0.117 R)
• M26: 28,063,513 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.5

Radius: 3.6

Gravity: 16.24 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.97 AU - 8.33 AU

Year: 14605 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,637,971 km

• M1: 44,730 km (0.088 R)
• M2: 287,378 km (0.088 R)
• M3: 446,699 km (0.053 R)
• M4: 577,747 km (0.066 R)
• M5: 726,298 km (0.108 R)
• M6: 891,005 km (0.098 R)
• M7: 1,038,359 km (0.119 R)
• M8: 1,752,689 km (0.104 R)
• M9: 2,238,134 km (0.108 R)
• M10: 3,612,041 km (0.081 R)
• M11: 4,014,608 km (0.064 R)
• M12: 4,878,536 km (0.063 R)
• M13: 6,237,034 km (0.094 R)
• M14: 6,630,626 km (0.089 R)
• M15: 7,310,100 km (0.061 R)
• M16: 7,546,614 km (0.112 R)
• M17: 8,118,228 km (0.112 R)
• M18: 8,806,228 km (0.101 R)
• M19: 10,494,590 km (0.117 R)
• M20: 12,950,688 km (0.12 R)
• M21: 14,868,682 km (0.067 R)
• M22: 18,016,371 km (0.057 R)
• M23: 31,079,257 km (0.094 R)
• M24: 36,044,709 km (0.111 R)
• M25: 37,538,145 km (0.068 R)
• M26: 41,638,024 km (0.119 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: 180 - 14,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit