🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618

Radius: 10.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.64 AU - 0.88 AU

Year: 442 Days

Day: 14.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,409,256 km

• M1: 151,842 km (0.071 R)
• M2: 590,164 km (0.042 R)
• M3: 1,029,533 km (0.041 R)
• M4: 1,424,022 km (0.119 R)
• M5: 2,048,892 km (0.101 R)
• M6: 2,434,855 km (0.118 R)
• M7: 2,911,474 km (0.093 R)
• M8: 3,309,254 km (0.12 R)
• M9: 3,730,672 km (0.081 R)
• M10: 4,283,735 km (0.086 R)
• M11: 4,682,264 km (0.091 R)
• M12: 5,168,158 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 11.3

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.75 AU - 0.81 AU

Year: 459 Days

Day: 13.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,409,256 km

• M1: 140,472 km (0.12 R)
• M2: 662,120 km (0.035 R)
• M3: 1,094,608 km (0.083 R)
• M4: 1,494,932 km (0.033 R)
• M5: 2,240,827 km (0.091 R)
• M6: 2,930,772 km (0.066 R)
• M7: 3,298,035 km (0.107 R)
• M8: 4,139,672 km (0.077 R)
• M9: 5,210,943 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.5

Radius: 13

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.27 AU - 2.83 AU

Year: 2715 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,409,256 km

• M1: 163,810 km (0.054 R)
• M2: 606,320 km (0.11 R)
• M3: 1,035,816 km (0.071 R)
• M4: 1,635,404 km (0.095 R)
• M5: 2,068,191 km (0.096 R)
• M6: 3,103,408 km (0.044 R)
• M7: 4,264,736 km (0.116 R)
• M8: 5,004,498 km (0.099 R)
• M9: 5,442,969 km (0.06 R)
• M10: 6,314,227 km (0.107 R)
• M11: 6,945,231 km (0.033 R)
• M12: 11,116,169 km (0.073 R)
• M13: 11,528,910 km (0.12 R)
• M14: 13,055,257 km (0.111 R)
• M15: 13,749,241 km (0.112 R)
• M16: 15,311,791 km (0.115 R)
• M17: 17,873,355 km (0.08 R)
• M18: 19,020,621 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131

Radius: 12.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.26 AU - 4.6 AU

Year: 6218 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,409,256 km

• M1: 159,172 km (0.062 R)
• M2: 560,842 km (0.103 R)
• M3: 1,186,610 km (0.087 R)
• M4: 1,616,854 km (0.082 R)
• M5: 2,609,436 km (0.097 R)
• M6: 3,097,125 km (0.055 R)
• M7: 3,720,948 km (0.076 R)
• M8: 4,363,471 km (0.066 R)
• M9: 5,615,156 km (0.04 R)
• M10: 6,243,018 km (0.081 R)
• M11: 8,512,119 km (0.081 R)
• M12: 9,271,029 km (0.104 R)
• M13: 11,695,562 km (0.089 R)
• M14: 12,373,090 km (0.056 R)
• M15: 15,150,076 km (0.056 R)
• M16: 16,265,028 km (0.111 R)
• M17: 17,762,354 km (0.037 R)
• M18: 19,233,200 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.1

Radius: 10.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.67 AU - 5.85 AU

Year: 6925 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,409,256 km

• M1: 133,292 km (0.101 R)
• M2: 519,105 km (0.096 R)
• M3: 866,770 km (0.067 R)
• M4: 1,461,422 km (0.031 R)
• M5: 1,934,151 km (0.095 R)
• M6: 2,433,209 km (0.109 R)
• M7: 2,794,488 km (0.065 R)
• M8: 3,995,759 km (0.076 R)
• M9: 5,687,861 km (0.088 R)
• M10: 7,019,730 km (0.1 R)
• M11: 10,896,260 km (0.109 R)
• M12: 11,598,024 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.3

Radius: 5.4

Gravity: 20.52 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.16 AU - 6.58 AU

Year: 9484 Days

Day: 17.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,409,256 km

• M1: 68,366 km (0.103 R)
• M2: 303,833 km (0.085 R)
• M3: 700,866 km (0.086 R)
• M4: 926,759 km (0.112 R)
• M5: 1,295,667 km (0.075 R)
• M6: 2,196,994 km (0.054 R)
• M7: 4,593,851 km (0.1 R)
• M8: 5,390,909 km (0.076 R)
• M9: 6,494,044 km (0.031 R)
• M10: 6,867,589 km (0.088 R)
• M11: 7,255,347 km (0.051 R)
• M12: 10,745,465 km (0.112 R)
• M13: 11,807,311 km (0.077 R)
• M14: 16,826,469 km (0.062 R)
• M15: 17,962,366 km (0.105 R)
• M16: 19,148,378 km (0.107 R)
• M17: 20,149,786 km (0.053 R)
• M18: 24,149,883 km (0.108 R)
• M19: 24,505,478 km (0.109 R)
• M20: 29,550,367 km (0.072 R)
• M21: 31,833,380 km (0.114 R)
• M22: 32,908,839 km (0.114 R)
• M23: 34,231,134 km (0.117 R)
• M24: 37,335,141 km (0.099 R)
• M25: 37,810,413 km (0.081 R)
• M26: 40,747,019 km (0.036 R)
• M27: 44,228,311 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.5

Radius: 7.6

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.58 AU - 8.6 AU

Year: 13944 Days

Day: 15.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,409,256 km

• M1: 97,837 km (0.113 R)
• M2: 389,553 km (0.091 R)
• M3: 764,744 km (0.028 R)
• M4: 1,437,486 km (0.076 R)
• M5: 1,873,863 km (0.06 R)
• M6: 2,168,870 km (0.087 R)
• M7: 2,617,514 km (0.062 R)
• M8: 3,294,295 km (0.063 R)
• M9: 4,082,227 km (0.12 R)
• M10: 5,054,912 km (0.103 R)
• M11: 6,912,319 km (0.083 R)
• M12: 7,882,910 km (0.1 R)
• M13: 11,281,923 km (0.113 R)
• M14: 11,621,959 km (0.107 R)
• M15: 12,442,354 km (0.106 R)
• M16: 15,271,998 km (0.061 R)
• M17: 19,216,894 km (0.085 R)
• M18: 26,084,184 km (0.041 R)
• M19: 26,479,870 km (0.027 R)
• M20: 27,081,104 km (0.077 R)
• M21: 31,546,750 km (0.101 R)
• M22: 32,907,492 km (0.084 R)
• M23: 33,602,375 km (0.114 R)
• M24: 34,662,874 km (0.114 R)
• M25: 35,503,015 km (0.079 R)
• M26: 35,745,514 km (0.109 R)
• M27: 37,725,741 km (0.119 R)
• M28: 38,999,866 km (0.093 R)
• M29: 41,231,118 km (0.112 R)
• M30: 41,768,324 km (0.054 R)
• M31: 44,665,137 km (0.091 R)
• M32: 49,634,778 km (0.076 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 16,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit