🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.4

Radius: 10.8

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.76 AU - 0.82 AU

Year: 476 Days

Day: 6.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,969,730 km

• M1: 144,661 km (0.104 R)
• M2: 498,311 km (0.072 R)
• M3: 929,751 km (0.115 R)
• M4: 1,334,263 km (0.11 R)
• M5: 1,686,118 km (0.073 R)
• M6: 2,180,688 km (0.085 R)
• M7: 2,542,715 km (0.102 R)
• M8: 3,057,930 km (0.119 R)
• M9: 3,839,280 km (0.085 R)
• M10: 4,227,037 km (0.098 R)
• M11: 5,196,282 km (0.102 R)
• M12: 5,602,440 km (0.104 R)
• M13: 6,383,341 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.3

Radius: 11.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.78 AU - 1.26 AU

Year: 699 Days

Day: 11.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,969,730 km

• M1: 143,016 km (0.11 R)
• M2: 569,669 km (0.063 R)
• M3: 1,029,981 km (0.107 R)
• M4: 1,436,439 km (0.11 R)
• M5: 1,797,119 km (0.087 R)
• M6: 2,180,987 km (0.112 R)
• M7: 3,650,936 km (0.107 R)
• M8: 4,108,556 km (0.072 R)
• M9: 4,800,296 km (0.115 R)
• M10: 5,227,099 km (0.105 R)
• M11: 5,697,734 km (0.06 R)
• M12: 6,579,614 km (0.069 R)
• M13: 7,021,077 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 9

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.1 AU - 1.12 AU

Year: 793 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,969,730 km

• M1: 111,899 km (0.047 R)
• M2: 525,388 km (0.108 R)
• M3: 873,801 km (0.069 R)
• M4: 1,496,128 km (0.106 R)
• M5: 1,960,779 km (0.116 R)
• M6: 2,242,921 km (0.116 R)
• M7: 2,866,445 km (0.084 R)
• M8: 4,074,298 km (0.079 R)
• M9: 4,423,310 km (0.096 R)
• M10: 4,740,607 km (0.044 R)
• M11: 5,983,466 km (0.068 R)
• M12: 6,268,600 km (0.114 R)
• M13: 7,088,396 km (0.108 R)
• M14: 7,856,880 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 11.3

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.33 AU - 2.17 AU

Year: 1570 Days

Day: 5.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,969,730 km

• M1: 140,472 km (0.098 R)
• M2: 528,529 km (0.085 R)
• M3: 886,218 km (0.098 R)
• M4: 1,259,165 km (0.096 R)
• M5: 1,779,766 km (0.108 R)
• M6: 2,196,097 km (0.059 R)
• M7: 2,843,706 km (0.111 R)
• M8: 5,684,420 km (0.078 R)
• M9: 7,552,598 km (0.104 R)
• M10: 8,748,483 km (0.035 R)
• M11: 9,375,747 km (0.102 R)
• M12: 10,270,043 km (0.075 R)
• M13: 11,329,346 km (0.114 R)
• M14: 12,421,111 km (0.051 R)
• M15: 12,892,793 km (0.101 R)
• M16: 13,664,270 km (0.113 R)
• M17: 14,040,359 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.4

Radius: 14.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.54 AU - 2.18 AU

Year: 1721 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,969,730 km

• M1: 180,714 km (0.087 R)
• M2: 702,811 km (0.065 R)
• M3: 1,320,800 km (0.091 R)
• M4: 2,356,615 km (0.117 R)
• M5: 2,832,785 km (0.084 R)
• M6: 4,378,131 km (0.082 R)
• M7: 5,666,618 km (0.115 R)
• M8: 6,491,650 km (0.098 R)
• M9: 8,067,215 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 8.2

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.67 AU - 4.49 AU

Year: 5590 Days

Day: 6.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,969,730 km

• M1: 102,475 km (0.046 R)
• M2: 372,798 km (0.089 R)
• M3: 786,137 km (0.067 R)
• M4: 1,377,647 km (0.117 R)
• M5: 2,016,280 km (0.096 R)
• M6: 2,443,681 km (0.06 R)
• M7: 2,930,323 km (0.118 R)
• M8: 3,236,550 km (0.091 R)
• M9: 3,606,505 km (0.114 R)
• M10: 4,214,471 km (0.083 R)
• M11: 5,021,253 km (0.092 R)
• M12: 5,779,115 km (0.112 R)
• M13: 9,668,361 km (0.03 R)
• M14: 10,176,844 km (0.083 R)
• M15: 12,001,938 km (0.084 R)
• M16: 13,874,903 km (0.096 R)
• M17: 14,742,272 km (0.068 R)
• M18: 15,245,818 km (0.03 R)
• M19: 15,645,245 km (0.087 R)
• M20: 16,885,860 km (0.067 R)
• M21: 17,437,128 km (0.078 R)
• M22: 20,929,789 km (0.039 R)
• M23: 21,281,494 km (0.082 R)
• M24: 23,855,774 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.5

Radius: 8.3

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.01 AU - 5.83 AU

Year: 7402 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,969,730 km

• M1: 104,270 km (0.08 R)
• M2: 365,767 km (0.096 R)
• M3: 852,259 km (0.093 R)
• M4: 1,152,053 km (0.098 R)
• M5: 1,585,289 km (0.113 R)
• M6: 1,941,930 km (0.072 R)
• M7: 2,649,677 km (0.11 R)
• M8: 2,973,258 km (0.103 R)
• M9: 3,769,567 km (0.116 R)
• M10: 4,031,962 km (0.092 R)
• M11: 5,472,290 km (0.077 R)
• M12: 7,264,024 km (0.12 R)
• M13: 8,134,534 km (0.116 R)
• M14: 9,946,014 km (0.104 R)
• M15: 11,114,823 km (0.12 R)
• M16: 11,808,059 km (0.111 R)
• M17: 13,225,798 km (0.073 R)
• M18: 13,891,060 km (0.054 R)
• M19: 18,977,986 km (0.118 R)
• M20: 19,397,907 km (0.098 R)
• M21: 20,768,672 km (0.1 R)
• M22: 22,203,017 km (0.092 R)
• M23: 24,932,430 km (0.068 R)
• M24: 26,032,722 km (0.103 R)
• M25: 29,434,129 km (0.109 R)
• M26: 33,831,708 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 17,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit