🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.8

Radius: 13.5

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.62 AU - 0.72 AU

Year: 372 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,135,189 km

• M1: 170,392 km (0.076 R)
• M2: 621,130 km (0.06 R)
• M3: 1,070,672 km (0.097 R)
• M4: 1,837,959 km (0.117 R)
• M5: 2,283,911 km (0.038 R)
• M6: 2,886,192 km (0.038 R)
• M7: 3,988,429 km (0.109 R)
• M8: 4,413,137 km (0.052 R)
• M9: 5,115,200 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.3

Radius: 11

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.2 AU - 1.24 AU

Year: 914 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,135,189 km

• M1: 136,732 km (0.101 R)
• M2: 571,464 km (0.086 R)
• M3: 921,373 km (0.102 R)
• M4: 1,318,107 km (0.082 R)
• M5: 1,776,026 km (0.088 R)
• M6: 2,159,445 km (0.075 R)
• M7: 3,272,453 km (0.113 R)
• M8: 4,011,617 km (0.119 R)
• M9: 5,078,848 km (0.062 R)
• M10: 5,638,942 km (0.037 R)
• M11: 6,048,840 km (0.106 R)
• M12: 6,975,001 km (0.113 R)
• M13: 9,615,702 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.6

Radius: 9.6

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.77 AU - 2.17 AU

Year: 1875 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,135,189 km

• M1: 125,662 km (0.086 R)
• M2: 525,837 km (0.106 R)
• M3: 836,102 km (0.097 R)
• M4: 1,137,991 km (0.039 R)
• M5: 2,225,119 km (0.112 R)
• M6: 2,635,466 km (0.04 R)
• M7: 3,207,079 km (0.092 R)
• M8: 3,662,006 km (0.12 R)
• M9: 4,414,783 km (0.103 R)
• M10: 4,785,636 km (0.083 R)
• M11: 5,289,930 km (0.117 R)
• M12: 5,853,465 km (0.089 R)
• M13: 6,225,665 km (0.101 R)
• M14: 8,207,089 km (0.119 R)
• M15: 9,191,892 km (0.098 R)
• M16: 9,492,134 km (0.068 R)
• M17: 11,394,870 km (0.062 R)
• M18: 11,897,967 km (0.09 R)
• M19: 12,659,869 km (0.092 R)
• M20: 14,059,806 km (0.082 R)
• M21: 14,774,585 km (0.078 R)
• M22: 15,140,950 km (0.105 R)
• M23: 15,749,215 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 8.8

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.03 AU - 4.25 AU

Year: 4710 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,135,189 km

• M1: 109,655 km (0.117 R)
• M2: 428,299 km (0.1 R)
• M3: 847,921 km (0.085 R)
• M4: 1,400,386 km (0.054 R)
• M5: 1,885,980 km (0.092 R)
• M6: 2,161,689 km (0.088 R)
• M7: 3,251,809 km (0.105 R)
• M8: 3,756,702 km (0.087 R)
• M9: 4,526,084 km (0.117 R)
• M10: 4,821,539 km (0.053 R)
• M11: 5,369,816 km (0.043 R)
• M12: 6,405,631 km (0.114 R)
• M13: 7,299,329 km (0.11 R)
• M14: 7,637,869 km (0.119 R)
• M15: 8,792,465 km (0.093 R)
• M16: 11,308,851 km (0.1 R)
• M17: 11,716,804 km (0.095 R)
• M18: 11,994,308 km (0.106 R)
• M19: 13,397,836 km (0.103 R)
• M20: 15,233,701 km (0.105 R)
• M21: 17,231,281 km (0.099 R)
• M22: 18,015,922 km (0.046 R)
• M23: 19,851,637 km (0.07 R)
• M24: 20,246,426 km (0.094 R)
• M25: 21,808,677 km (0.074 R)
• M26: 23,376,762 km (0.086 R)
• M27: 24,942,303 km (0.08 R)
• M28: 25,402,167 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.4

Radius: 3.1

Gravity: 86.31 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.74 AU - 9.7 AU

Year: 15984 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,135,189 km

• M1: 38,895 km (0.05 R)
• M2: 141,968 km (0.062 R)
• M3: 246,986 km (0.108 R)
• M4: 346,469 km (0.11 R)
• M5: 648,806 km (0.108 R)
• M6: 876,793 km (0.118 R)
• M7: 1,265,448 km (0.084 R)
• M8: 1,443,320 km (0.062 R)
• M9: 2,038,570 km (0.065 R)
• M10: 2,325,948 km (0.1 R)
• M11: 2,501,725 km (0.117 R)
• M12: 3,991,122 km (0.051 R)
• M13: 5,359,344 km (0.072 R)
• M14: 8,453,776 km (0.069 R)
• M15: 9,684,667 km (0.105 R)
• M16: 10,081,849 km (0.089 R)
• M17: 11,400,704 km (0.064 R)
• M18: 12,036,495 km (0.109 R)
• M19: 12,363,217 km (0.115 R)
• M20: 12,762,793 km (0.12 R)
• M21: 12,965,947 km (0.063 R)
• M22: 14,085,388 km (0.091 R)
• M23: 15,116,416 km (0.061 R)
• M24: 15,343,655 km (0.068 R)
• M25: 19,386,089 km (0.057 R)
• M26: 20,566,715 km (0.116 R)
• M27: 21,987,297 km (0.069 R)
• M28: 27,193,751 km (0.062 R)
• M29: 28,439,902 km (0.081 R)
• M30: 32,531,553 km (0.07 R)
• M31: 34,848,525 km (0.045 R)
• M32: 35,377,952 km (0.088 R)
• M33: 39,234,884 km (0.12 R)
• M34: 52,468,012 km (0.047 R)
• M35: 57,463,833 km (0.078 R)
• M36: 59,887,319 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.6

Radius: 7.6

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.28 AU - 9.8 AU

Year: 18435 Days

Day: 21.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,135,189 km

• M1: 210,634 km (0.113 R)
• M2: 492,626 km (0.062 R)
• M3: 1,823,598 km (0.066 R)
• M4: 3,753,710 km (0.054 R)
• M5: 4,550,019 km (0.063 R)
• M6: 6,236,586 km (0.119 R)
• M7: 6,839,615 km (0.062 R)
• M8: 8,022,335 km (0.073 R)
• M9: 8,589,461 km (0.072 R)
• M10: 14,815,724 km (0.084 R)
• M11: 19,161,393 km (0.097 R)
• M12: 24,093,934 km (0.112 R)
• M13: 29,922,865 km (0.086 R)
• M14: 48,456,246 km (0.102 R)
• M15: 52,576,770 km (0.096 R)
• M16: 57,096,720 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 10,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit