🌌 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: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 13.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 5.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,651,681 km

• M1: 167,849 km (0.066 R)
• M2: 656,735 km (0.066 R)
• M3: 1,143,975 km (0.105 R)
• M4: 1,649,765 km (0.114 R)
• M5: 2,226,016 km (0.096 R)
• M6: 2,850,288 km (0.082 R)
• M7: 3,444,042 km (0.077 R)
• M8: 3,945,943 km (0.078 R)
• M9: 4,410,744 km (0.114 R)
• M10: 5,386,571 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.2

Radius: 11.9

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.9 AU - 0.92 AU

Year: 589 Days

Day: 12.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,651,681 km

• M1: 149,299 km (0.094 R)
• M2: 602,580 km (0.116 R)
• M3: 1,045,240 km (0.057 R)
• M4: 1,585,438 km (0.037 R)
• M5: 2,307,846 km (0.106 R)
• M6: 2,750,357 km (0.081 R)
• M7: 3,218,000 km (0.078 R)
• M8: 4,013,262 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.1

Radius: 11.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.04 AU - 1.34 AU

Year: 880 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,651,681 km

• M1: 144,212 km (0.069 R)
• M2: 557,551 km (0.063 R)
• M3: 930,948 km (0.08 R)
• M4: 1,387,670 km (0.093 R)
• M5: 1,793,230 km (0.101 R)
• M6: 2,278,824 km (0.116 R)
• M7: 3,682,800 km (0.103 R)
• M8: 4,458,914 km (0.084 R)
• M9: 5,861,993 km (0.095 R)
• M10: 6,581,708 km (0.114 R)
• M11: 7,159,455 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 13.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.03 AU - 3.65 AU

Year: 4140 Days

Day: 13.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,651,681 km

• M1: 169,943 km (0.089 R)
• M2: 778,657 km (0.093 R)
• M3: 1,252,583 km (0.114 R)
• M4: 1,784,852 km (0.118 R)
• M5: 2,263,416 km (0.096 R)
• M6: 2,784,914 km (0.113 R)
• M7: 3,780,937 km (0.119 R)
• M8: 5,002,403 km (0.115 R)
• M9: 5,704,765 km (0.089 R)
• M10: 6,628,382 km (0.075 R)
• M11: 7,195,658 km (0.035 R)
• M12: 9,424,367 km (0.108 R)
• M13: 9,864,932 km (0.11 R)
• M14: 11,232,706 km (0.109 R)
• M15: 12,199,258 km (0.095 R)
• M16: 14,209,853 km (0.094 R)
• M17: 14,790,442 km (0.044 R)

Asteroid Belt

Center: 3.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.5

Radius: 12.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.71 AU - 4.11 AU

Year: 5244 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,651,681 km

• M1: 155,432 km (0.079 R)
• M2: 545,883 km (0.094 R)
• M3: 1,069,176 km (0.106 R)
• M4: 1,912,758 km (0.054 R)
• M5: 3,630,292 km (0.094 R)
• M6: 6,086,240 km (0.118 R)
• M7: 7,931,530 km (0.086 R)
• M8: 8,765,388 km (0.094 R)
• M9: 10,124,784 km (0.075 R)
• M10: 10,968,665 km (0.109 R)
• M11: 11,384,548 km (0.074 R)
• M12: 12,395,979 km (0.107 R)
• M13: 13,102,978 km (0.115 R)
• M14: 16,622,119 km (0.085 R)
• M15: 19,025,259 km (0.031 R)
• M16: 23,582,010 km (0.112 R)
• M17: 24,432,324 km (0.119 R)
• M18: 25,867,865 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 9.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.98 AU - 4.16 AU

Year: 5569 Days

Day: 6.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,651,681 km

• M1: 118,631 km (0.115 R)
• M2: 483,052 km (0.089 R)
• M3: 1,251,087 km (0.092 R)
• M4: 3,470,521 km (0.068 R)
• M5: 4,259,051 km (0.091 R)
• M6: 4,840,090 km (0.073 R)
• M7: 6,811,191 km (0.099 R)
• M8: 10,322,403 km (0.09 R)
• M9: 11,027,457 km (0.092 R)
• M10: 16,112,139 km (0.083 R)
• M11: 17,117,437 km (0.117 R)
• M12: 19,562,465 km (0.06 R)
• M13: 22,231,440 km (0.082 R)
• M14: 23,265,610 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.2

Radius: 4.7

Gravity: 42.29 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.73 AU - 8.67 AU

Year: 13104 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 150.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,651,681 km

• M1: 58,493 km (0.088 R)
• M2: 236,664 km (0.052 R)
• M3: 474,225 km (0.104 R)
• M4: 948,600 km (0.096 R)
• M5: 1,189,153 km (0.114 R)
• M6: 1,454,390 km (0.107 R)
• M7: 1,792,631 km (0.098 R)
• M8: 2,692,612 km (0.032 R)
• M9: 3,176,262 km (0.071 R)
• M10: 3,631,189 km (0.095 R)
• M11: 4,505,738 km (0.072 R)
• M12: 5,512,532 km (0.076 R)
• M13: 7,448,927 km (0.097 R)
• M14: 8,494,167 km (0.076 R)
• M15: 13,052,863 km (0.105 R)
• M16: 13,521,703 km (0.12 R)
• M17: 16,111,691 km (0.074 R)
• M18: 18,258,271 km (0.094 R)
• M19: 18,929,217 km (0.071 R)
• M20: 21,223,151 km (0.117 R)
• M21: 26,566,188 km (0.094 R)
• M22: 32,496,248 km (0.088 R)
• M23: 34,611,113 km (0.107 R)
• M24: 35,507,952 km (0.105 R)
• M25: 41,074,339 km (0.102 R)
• M26: 43,100,643 km (0.114 R)
• M27: 44,588,094 km (0.113 R)
• M28: 48,615,119 km (0.075 R)
• M29: 50,389,500 km (0.083 R)
• M30: 54,581,681 km (0.116 R)
• M31: 56,674,106 km (0.106 R)
• M32: 58,458,061 km (0.119 R)
• M33: 58,819,190 km (0.053 R)
• M34: 59,546,236 km (0.115 R)
• M35: 59,728,895 km (0.053 R)
• M36: 62,891,543 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 11,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit