🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.2

Radius: 10.2

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.61 AU - 0.63 AU

Year: 331 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,408,878 km

• M1: 126,859 km (0.1 R)
• M2: 488,736 km (0.104 R)
• M3: 808,427 km (0.068 R)
• M4: 1,327,681 km (0.081 R)
• M5: 1,973,944 km (0.116 R)
• M6: 2,291,690 km (0.089 R)
• M7: 2,769,057 km (0.104 R)
• M8: 3,116,423 km (0.066 R)
• M9: 3,469,923 km (0.092 R)
• M10: 3,912,284 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.6

Radius: 8.3

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.69 AU - 0.73 AU

Year: 406 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,408,878 km

• M1: 104,120 km (0.085 R)
• M2: 386,860 km (0.091 R)
• M3: 745,297 km (0.099 R)
• M4: 1,019,659 km (0.044 R)
• M5: 1,386,473 km (0.083 R)
• M6: 1,658,442 km (0.119 R)
• M7: 1,958,685 km (0.103 R)
• M8: 2,765,466 km (0.117 R)
• M9: 3,464,537 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 12.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.54 AU - 0.88 AU

Year: 406 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,408,878 km

• M1: 151,842 km (0.072 R)
• M2: 553,363 km (0.08 R)
• M3: 1,038,957 km (0.029 R)
• M4: 1,761,814 km (0.09 R)
• M5: 2,164,232 km (0.099 R)
• M6: 2,637,859 km (0.097 R)
• M7: 3,107,297 km (0.112 R)
• M8: 3,495,803 km (0.076 R)
• M9: 4,077,290 km (0.067 R)
• M10: 4,531,469 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.8

Radius: 13.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.68 AU - 0.94 AU

Year: 494 Days

Day: 14.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,408,878 km

• M1: 170,542 km (0.111 R)
• M2: 674,387 km (0.116 R)
• M3: 1,133,653 km (0.102 R)
• M4: 1,984,715 km (0.071 R)
• M5: 2,477,191 km (0.114 R)
• M6: 3,863,215 km (0.045 R)
• M7: 4,878,985 km (0.094 R)
• M8: 6,527,853 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.2

Radius: 10.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.66 AU - 1.06 AU

Year: 541 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 14,408,878 km

• M1: 134,339 km (0.106 R)
• M2: 486,193 km (0.107 R)
• M3: 1,298,061 km (0.12 R)
• M4: 1,657,694 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.6

Radius: 8.2

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.69 AU - 1.03 AU

Year: 541 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,408,878 km

• M1: 102,175 km (0.059 R)
• M2: 378,034 km (0.114 R)
• M3: 644,767 km (0.12 R)
• M4: 1,028,635 km (0.045 R)
• M5: 1,335,909 km (0.081 R)
• M6: 1,954,347 km (0.052 R)
• M7: 2,246,810 km (0.09 R)
• M8: 2,509,504 km (0.08 R)
• M9: 3,188,828 km (0.093 R)
• M10: 3,571,799 km (0.073 R)
• M11: 3,931,731 km (0.061 R)
• M12: 4,203,551 km (0.094 R)
• M13: 4,754,968 km (0.084 R)
• M14: 5,032,472 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 8.6

Gravity: 13.34 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.04 AU - 1.34 AU

Year: 880 Days

Day: 9.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,408,878 km

• M1: 107,411 km (0.108 R)
• M2: 387,608 km (0.117 R)
• M3: 1,099,544 km (0.075 R)
• M4: 1,513,930 km (0.111 R)
• M5: 1,999,824 km (0.11 R)
• M6: 2,296,477 km (0.082 R)
• M7: 2,759,183 km (0.065 R)
• M8: 3,369,094 km (0.047 R)
• M9: 3,935,322 km (0.111 R)
• M10: 4,545,980 km (0.106 R)
• M11: 5,257,468 km (0.061 R)
• M12: 5,764,754 km (0.1 R)
• M13: 6,438,692 km (0.096 R)
• M14: 8,447,343 km (0.111 R)
• M15: 9,058,151 km (0.074 R)
• M16: 9,491,087 km (0.12 R)
• M17: 9,968,155 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.1

Radius: 10.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.98 AU - 2.52 AU

Year: 2289 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,408,878 km

• M1: 134,339 km (0.073 R)
• M2: 489,634 km (0.115 R)
• M3: 1,027,438 km (0.117 R)
• M4: 1,505,703 km (0.111 R)
• M5: 2,641,150 km (0.056 R)
• M6: 3,156,365 km (0.096 R)
• M7: 3,876,230 km (0.051 R)
• M8: 6,375,861 km (0.119 R)
• M9: 7,039,477 km (0.091 R)
• M10: 8,534,559 km (0.099 R)
• M11: 10,820,414 km (0.084 R)
• M12: 12,645,508 km (0.118 R)
• M13: 14,280,762 km (0.074 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: 356 - 11,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit