🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 12.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.54 AU - 0.62 AU

Year: 305 Days

Day: 8.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,865,386 km

• M1: 150,495 km (0.093 R)
• M2: 605,572 km (0.098 R)
• M3: 1,099,993 km (0.094 R)
• M4: 1,516,174 km (0.06 R)
• M5: 1,988,904 km (0.107 R)
• M6: 2,779,379 km (0.104 R)
• M7: 3,167,885 km (0.119 R)
• M8: 3,757,749 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.6

Radius: 13.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.72 AU - 0.76 AU

Year: 439 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,865,386 km

• M1: 167,998 km (0.093 R)
• M2: 607,966 km (0.094 R)
• M3: 1,198,728 km (0.092 R)
• M4: 1,728,304 km (0.032 R)
• M5: 2,159,595 km (0.088 R)
• M6: 3,021,877 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.7

Radius: 14.8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.65 AU - 1.03 AU

Year: 531 Days

Day: 6.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,865,386 km

• M1: 184,005 km (0.057 R)
• M2: 716,723 km (0.065 R)
• M3: 1,191,397 km (0.119 R)
• M4: 1,823,748 km (0.064 R)
• M5: 2,369,331 km (0.111 R)
• M6: 3,451,372 km (0.059 R)
• M7: 3,919,315 km (0.114 R)
• M8: 4,579,640 km (0.117 R)
• M9: 5,114,751 km (0.112 R)
• M10: 5,604,086 km (0.115 R)
• M11: 6,349,682 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 10.1

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.81 AU - 0.87 AU

Year: 531 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,865,386 km

• M1: 125,662 km (0.094 R)
• M2: 449,841 km (0.097 R)
• M3: 803,191 km (0.061 R)
• M4: 1,272,479 km (0.083 R)
• M5: 1,677,291 km (0.109 R)
• M6: 2,149,273 km (0.119 R)
• M7: 2,477,790 km (0.052 R)
• M8: 3,034,593 km (0.111 R)
• M9: 3,863,215 km (0.114 R)
• M10: 4,566,924 km (0.108 R)
• M11: 5,149,009 km (0.07 R)
• M12: 5,871,417 km (0.098 R)
• M13: 6,500,925 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 8.3

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.28 AU - 3.82 AU

Year: 4617 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,865,386 km

• M1: 108,907 km (0.078 R)
• M2: 534,064 km (0.073 R)
• M3: 1,175,989 km (0.067 R)
• M4: 1,451,847 km (0.054 R)
• M5: 2,728,366 km (0.104 R)
• M6: 3,402,753 km (0.098 R)
• M7: 3,790,511 km (0.065 R)
• M8: 4,183,654 km (0.083 R)
• M9: 4,837,397 km (0.104 R)
• M10: 5,882,787 km (0.104 R)
• M11: 6,702,882 km (0.111 R)
• M12: 7,209,421 km (0.106 R)
• M13: 7,850,747 km (0.112 R)
• M14: 8,883,271 km (0.08 R)
• M15: 9,205,954 km (0.11 R)
• M16: 12,877,684 km (0.068 R)
• M17: 16,440,058 km (0.068 R)
• M18: 18,511,241 km (0.099 R)
• M19: 19,104,994 km (0.119 R)
• M20: 19,372,924 km (0.107 R)
• M21: 19,847,897 km (0.085 R)
• M22: 20,469,925 km (0.119 R)
• M23: 20,821,032 km (0.086 R)
• M24: 21,607,767 km (0.063 R)
• M25: 23,164,333 km (0.078 R)
• M26: 23,853,829 km (0.043 R)
• M27: 28,629,442 km (0.052 R)
• M28: 29,245,785 km (0.088 R)
• M29: 29,781,047 km (0.111 R)

Asteroid Belt

Center: 4.16 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 10.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.63 AU - 4.89 AU

Year: 7168 Days

Day: 11.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,865,386 km

• M1: 130,449 km (0.117 R)
• M2: 462,557 km (0.107 R)
• M3: 969,245 km (0.092 R)
• M4: 1,310,777 km (0.026 R)
• M5: 2,362,300 km (0.097 R)
• M6: 2,767,112 km (0.12 R)
• M7: 6,154,905 km (0.099 R)
• M8: 8,029,516 km (0.117 R)
• M9: 12,242,491 km (0.113 R)
• M10: 13,848,724 km (0.078 R)
• M11: 16,577,538 km (0.082 R)
• M12: 17,935,139 km (0.079 R)
• M13: 19,295,582 km (0.038 R)
• M14: 30,328,874 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.9

Radius: 6.4

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 9.39 AU - 10.31 AU

Year: 21339 Days

Day: 16.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,865,386 km

• M1: 79,586 km (0.068 R)
• M2: 989,440 km (0.077 R)
• M3: 1,266,047 km (0.083 R)
• M4: 1,768,845 km (0.075 R)
• M5: 2,076,568 km (0.087 R)
• M6: 2,824,408 km (0.111 R)
• M7: 3,329,600 km (0.029 R)
• M8: 3,589,152 km (0.118 R)
• M9: 3,893,285 km (0.094 R)
• M10: 4,381,572 km (0.098 R)
• M11: 5,057,904 km (0.069 R)
• M12: 6,178,242 km (0.089 R)
• M13: 9,231,086 km (0.1 R)
• M14: 11,464,582 km (0.063 R)
• M15: 14,183,823 km (0.045 R)
• M16: 14,484,963 km (0.105 R)
• M17: 16,713,822 km (0.037 R)
• M18: 18,173,149 km (0.111 R)
• M19: 22,954,746 km (0.106 R)
• M20: 28,037,783 km (0.103 R)
• M21: 29,477,363 km (0.057 R)
• M22: 30,589,025 km (0.114 R)
• M23: 35,177,939 km (0.116 R)
• M24: 42,033,561 km (0.085 R)
• M25: 42,968,248 km (0.107 R)
• M26: 43,440,678 km (0.068 R)
• M27: 53,269,408 km (0.096 R)
• M28: 59,473,082 km (0.033 R)
• M29: 60,059,805 km (0.091 R)
• M30: 62,849,207 km (0.067 R)
• M31: 63,254,617 km (0.108 R)
• M32: 63,866,024 km (0.11 R)
• M33: 64,893,612 km (0.064 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 14,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit