🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.1

Radius: 14.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.46 AU - 0.56 AU

Year: 243 Days

Day: 10.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,161,945 km

• M1: 183,856 km (0.113 R)
• M2: 719,117 km (0.081 R)
• M3: 1,242,859 km (0.066 R)
• M4: 1,728,005 km (0.106 R)
• M5: 2,507,709 km (0.109 R)
• M6: 3,163,097 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71

Radius: 10.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.89 AU - 1.05 AU

Year: 637 Days

Day: 12 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,161,945 km

• M1: 127,158 km (0.046 R)
• M2: 453,282 km (0.102 R)
• M3: 838,496 km (0.088 R)
• M4: 1,995,486 km (0.11 R)
• M5: 2,416,305 km (0.053 R)
• M6: 2,798,527 km (0.048 R)
• M7: 3,192,119 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 13.6

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.91 AU - 2.35 AU

Year: 2073 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,161,945 km

• M1: 169,195 km (0.08 R)
• M2: 592,707 km (0.09 R)
• M3: 1,050,177 km (0.093 R)
• M4: 2,955,904 km (0.111 R)
• M5: 4,837,098 km (0.098 R)
• M6: 5,945,917 km (0.087 R)
• M7: 7,738,847 km (0.108 R)
• M8: 10,956,398 km (0.063 R)
• M9: 13,283,693 km (0.115 R)
• M10: 15,256,739 km (0.037 R)
• M11: 16,461,301 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 12.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.65 AU - 3.27 AU

Year: 3396 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,161,945 km

• M1: 279,000 km (0.099 R)
• M2: 835,355 km (0.091 R)
• M3: 1,242,410 km (0.12 R)
• M4: 1,847,235 km (0.112 R)
• M5: 2,993,902 km (0.091 R)
• M6: 3,655,274 km (0.117 R)
• M7: 4,185,898 km (0.027 R)
• M8: 5,649,115 km (0.104 R)
• M9: 6,165,377 km (0.075 R)
• M10: 7,211,964 km (0.113 R)
• M11: 8,314,051 km (0.1 R)
• M12: 9,854,161 km (0.101 R)
• M13: 10,993,499 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.1

Radius: 13.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.5 AU - 5.84 AU

Year: 7839 Days

Day: 10.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,161,945 km

• M1: 174,581 km (0.092 R)
• M2: 606,021 km (0.114 R)
• M3: 1,103,284 km (0.079 R)
• M4: 1,557,015 km (0.052 R)
• M5: 2,185,774 km (0.066 R)
• M6: 3,314,191 km (0.085 R)
• M7: 3,935,621 km (0.081 R)
• M8: 5,629,667 km (0.086 R)
• M9: 6,079,358 km (0.117 R)
• M10: 9,614,954 km (0.089 R)
• M11: 10,119,249 km (0.11 R)
• M12: 16,700,807 km (0.094 R)
• M13: 20,416,968 km (0.097 R)
• M14: 21,795,512 km (0.105 R)
• M15: 24,737,205 km (0.097 R)
• M16: 27,383,142 km (0.039 R)
• M17: 28,305,712 km (0.114 R)
• M18: 30,604,134 km (0.108 R)
• M19: 36,779,085 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.6

Radius: 12.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.32 AU - 5.76 AU

Year: 8695 Days

Day: 14 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,161,945 km

• M1: 153,188 km (0.05 R)
• M2: 617,540 km (0.113 R)
• M3: 1,169,407 km (0.095 R)
• M4: 1,931,159 km (0.106 R)
• M5: 2,406,282 km (0.082 R)
• M6: 4,104,966 km (0.075 R)
• M7: 6,207,564 km (0.073 R)
• M8: 7,819,630 km (0.113 R)
• M9: 12,813,207 km (0.054 R)
• M10: 15,078,568 km (0.115 R)
• M11: 15,733,956 km (0.111 R)
• M12: 19,300,668 km (0.089 R)
• M13: 20,706,888 km (0.074 R)
• M14: 21,271,770 km (0.08 R)
• M15: 24,074,785 km (0.115 R)
• M16: 25,610,856 km (0.094 R)
• M17: 26,449,951 km (0.118 R)
• M18: 29,077,787 km (0.089 R)
• M19: 31,449,811 km (0.12 R)
• M20: 32,846,157 km (0.107 R)
• M21: 35,877,758 km (0.062 R)
• M22: 37,046,417 km (0.094 R)
• M23: 38,724,905 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.8

Radius: 3.6

Gravity: 38.64 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.99 AU - 8.11 AU

Year: 15231 Days

Day: 23 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,161,945 km

• M1: 45,029 km (0.118 R)
• M2: 198,217 km (0.114 R)
• M3: 372,349 km (0.115 R)
• M4: 529,726 km (0.092 R)
• M5: 844,330 km (0.069 R)
• M6: 958,773 km (0.06 R)
• M7: 1,083,837 km (0.117 R)
• M8: 1,353,113 km (0.102 R)
• M9: 1,618,051 km (0.066 R)
• M10: 2,390,275 km (0.068 R)
• M11: 4,156,726 km (0.09 R)
• M12: 5,677,090 km (0.087 R)
• M13: 6,682,537 km (0.098 R)
• M14: 8,596,492 km (0.115 R)
• M15: 10,291,885 km (0.094 R)
• M16: 13,460,816 km (0.079 R)
• M17: 14,531,788 km (0.104 R)
• M18: 19,552,143 km (0.089 R)
• M19: 20,144,101 km (0.118 R)
• M20: 25,216,965 km (0.081 R)
• M21: 27,780,175 km (0.063 R)
• M22: 28,098,968 km (0.053 R)
• M23: 28,852,343 km (0.092 R)
• M24: 35,995,641 km (0.096 R)
• M25: 37,011,860 km (0.099 R)
• M26: 40,993,108 km (0.044 R)
• M27: 45,987,433 km (0.061 R)
• M28: 50,736,417 km (0.034 R)
• M29: 53,474,507 km (0.116 R)
• M30: 53,967,731 km (0.093 R)
• M31: 55,465,505 km (0.04 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 12,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit