🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 11.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.53 AU - 0.67 AU

Year: 315 Days

Day: 12.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,929,316 km

• M1: 142,417 km (0.049 R)
• M2: 525,837 km (0.067 R)
• M3: 918,980 km (0.094 R)
• M4: 1,396,646 km (0.081 R)
• M5: 2,263,865 km (0.103 R)
• M6: 3,183,742 km (0.113 R)
• M7: 4,025,230 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.5

Radius: 13

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.47 AU - 0.73 AU

Year: 315 Days

Day: 10.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,929,316 km

• M1: 161,715 km (0.114 R)
• M2: 663,915 km (0.074 R)
• M3: 1,095,655 km (0.111 R)
• M4: 1,587,233 km (0.099 R)
• M5: 2,296,477 km (0.074 R)
• M6: 3,308,955 km (0.089 R)
• M7: 3,765,528 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.1

Radius: 14

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.94 AU - 1.1 AU

Year: 699 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,929,316 km

• M1: 175,478 km (0.044 R)
• M2: 655,687 km (0.069 R)
• M3: 1,100,891 km (0.091 R)
• M4: 1,556,416 km (0.062 R)
• M5: 2,123,093 km (0.082 R)
• M6: 2,695,604 km (0.095 R)
• M7: 3,408,438 km (0.109 R)
• M8: 4,485,094 km (0.105 R)
• M9: 5,315,811 km (0.116 R)
• M10: 6,324,400 km (0.094 R)
• M11: 7,284,220 km (0.077 R)

Asteroid Belt

Center: 1.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.4

Radius: 9

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.46 AU - 1.62 AU

Year: 1296 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,929,316 km

• M1: 111,899 km (0.076 R)
• M2: 596,896 km (0.109 R)
• M3: 977,622 km (0.099 R)
• M4: 1,465,162 km (0.106 R)
• M5: 3,418,311 km (0.117 R)
• M6: 4,595,497 km (0.068 R)
• M7: 5,185,661 km (0.105 R)
• M8: 8,209,782 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239

Radius: 13.5

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.7 AU - 1.92 AU

Year: 1652 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,929,316 km

• M1: 167,849 km (0.062 R)
• M2: 630,106 km (0.098 R)
• M3: 1,198,429 km (0.082 R)
• M4: 1,848,132 km (0.107 R)
• M5: 2,713,705 km (0.097 R)
• M6: 3,145,744 km (0.1 R)
• M7: 3,609,198 km (0.083 R)
• M8: 4,134,586 km (0.097 R)
• M9: 4,927,006 km (0.071 R)
• M10: 6,025,802 km (0.072 R)
• M11: 6,678,647 km (0.109 R)
• M12: 7,696,212 km (0.112 R)
• M13: 8,465,594 km (0.069 R)
• M14: 9,006,540 km (0.076 R)
• M15: 9,541,801 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.1

Radius: 12

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.46 AU - 3.6 AU

Year: 3577 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,929,316 km

• M1: 149,299 km (0.111 R)
• M2: 578,944 km (0.108 R)
• M3: 1,154,148 km (0.07 R)
• M4: 1,949,260 km (0.107 R)
• M5: 2,569,643 km (0.085 R)
• M6: 3,335,733 km (0.091 R)
• M7: 3,811,155 km (0.104 R)
• M8: 4,631,400 km (0.118 R)
• M9: 5,201,518 km (0.088 R)
• M10: 6,649,625 km (0.108 R)
• M11: 7,316,533 km (0.112 R)
• M12: 7,869,147 km (0.03 R)
• M13: 9,127,714 km (0.061 R)
• M14: 13,076,799 km (0.063 R)
• M15: 16,078,630 km (0.09 R)
• M16: 16,803,431 km (0.09 R)
• M17: 17,712,537 km (0.1 R)
• M18: 18,373,910 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.8

Radius: 9.4

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.97 AU - 3.25 AU

Year: 3720 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,929,316 km

• M1: 176,525 km (0.04 R)
• M2: 540,796 km (0.046 R)
• M3: 843,433 km (0.063 R)
• M4: 1,694,794 km (0.077 R)
• M5: 1,991,596 km (0.101 R)
• M6: 2,524,763 km (0.103 R)
• M7: 3,521,235 km (0.114 R)
• M8: 4,495,117 km (0.051 R)
• M9: 5,395,995 km (0.117 R)
• M10: 7,300,526 km (0.049 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 12.7

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.51 AU - 3.57 AU

Year: 4517 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,929,316 km

• M1: 158,574 km (0.095 R)
• M2: 695,929 km (0.094 R)
• M3: 1,361,939 km (0.117 R)
• M4: 2,093,772 km (0.096 R)
• M5: 3,150,980 km (0.055 R)
• M6: 3,854,988 km (0.113 R)
• M7: 4,462,355 km (0.03 R)
• M8: 4,972,184 km (0.069 R)
• M9: 5,436,087 km (0.1 R)
• M10: 6,263,364 km (0.11 R)
• M11: 7,004,322 km (0.03 R)
• M12: 7,553,496 km (0.085 R)
• M13: 8,243,142 km (0.041 R)
• M14: 8,895,239 km (0.116 R)
• M15: 9,622,883 km (0.044 R)
• M16: 11,616,574 km (0.049 R)
• M17: 12,240,696 km (0.065 R)
• M18: 12,685,750 km (0.087 R)
• M19: 13,244,199 km (0.061 R)
• M20: 14,520,119 km (0.046 R)
• M21: 16,947,644 km (0.076 R)
• M22: 18,130,215 km (0.102 R)
• M23: 18,709,159 km (0.085 R)
• M24: 20,176,714 km (0.088 R)
• M25: 21,935,835 km (0.073 R)
• M26: 24,411,829 km (0.063 R)
• M27: 26,736,730 km (0.108 R)
• M28: 27,740,681 km (0.092 R)
• M29: 28,509,913 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.2

Radius: 4.3

Gravity: 32.84 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.94 AU - 8.1 AU

Year: 11292 Days

Day: 16.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,929,316 km

• M1: 225,145 km (0.085 R)
• M2: 614,099 km (0.115 R)
• M3: 1,642,285 km (0.03 R)
• M4: 1,813,425 km (0.105 R)
• M5: 2,303,807 km (0.112 R)
• M6: 3,644,055 km (0.054 R)
• M7: 4,908,157 km (0.101 R)
• M8: 6,325,447 km (0.108 R)
• M9: 7,270,606 km (0.102 R)
• M10: 7,605,705 km (0.114 R)
• M11: 7,950,828 km (0.118 R)
• M12: 12,055,644 km (0.108 R)
• M13: 15,324,507 km (0.079 R)
• M14: 15,736,050 km (0.079 R)
• M15: 20,843,322 km (0.11 R)
• M16: 21,010,722 km (0.1 R)
• M17: 25,208,737 km (0.062 R)
• M18: 26,071,767 km (0.03 R)
• M19: 26,657,892 km (0.106 R)
• M20: 27,352,624 km (0.106 R)
• M21: 31,446,520 km (0.042 R)
• M22: 37,638,525 km (0.111 R)
• M23: 41,215,709 km (0.06 R)
• M24: 42,144,114 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 14,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit