🌌 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 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.47 AU - 0.71 AU

Year: 288 Days

Day: 36.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.5

Radius: 13.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.03 AU - 1.13 AU

Year: 714 Days

Day: 14.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,911,268 km

• M1: 169,195 km (0.071 R)
• M2: 809,474 km (0.091 R)
• M3: 1,295,368 km (0.051 R)
• M4: 1,935,048 km (0.092 R)
• M5: 2,466,570 km (0.106 R)
• M6: 3,120,612 km (0.102 R)
• M7: 3,614,584 km (0.076 R)
• M8: 4,129,948 km (0.111 R)
• M9: 4,864,624 km (0.073 R)
• M10: 5,742,913 km (0.099 R)
• M11: 7,324,162 km (0.073 R)
• M12: 7,767,271 km (0.116 R)
• M13: 8,402,912 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.4

Radius: 8.9

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.72 AU - 1.76 AU

Year: 1459 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,911,268 km

• M1: 110,702 km (0.09 R)
• M2: 482,902 km (0.115 R)
• M3: 808,876 km (0.115 R)
• M4: 1,139,188 km (0.075 R)
• M5: 1,426,266 km (0.096 R)
• M6: 1,875,359 km (0.093 R)
• M7: 2,197,742 km (0.046 R)
• M8: 2,703,832 km (0.107 R)
• M9: 3,223,984 km (0.115 R)
• M10: 3,792,156 km (0.093 R)
• M11: 4,444,702 km (0.06 R)
• M12: 4,757,811 km (0.033 R)
• M13: 5,255,373 km (0.051 R)
• M14: 6,161,338 km (0.106 R)
• M15: 6,651,720 km (0.091 R)
• M16: 6,984,276 km (0.05 R)
• M17: 7,327,902 km (0.075 R)
• M18: 9,000,705 km (0.1 R)
• M19: 10,635,212 km (0.07 R)
• M20: 11,742,834 km (0.048 R)
• M21: 12,229,476 km (0.089 R)
• M22: 13,203,209 km (0.027 R)
• M23: 13,525,443 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.2

Radius: 11.5

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.08 AU - 2.2 AU

Year: 1990 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 174.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 20,911,268 km

• M1: 143,016 km (0.041 R)
• M2: 551,717 km (0.114 R)
• M3: 998,267 km (0.113 R)
• M4: 1,413,101 km (0.059 R)
• M5: 1,979,329 km (0.076 R)
• M6: 2,465,074 km (0.103 R)
• M7: 2,827,250 km (0.082 R)
• M8: 3,309,254 km (0.088 R)
• M9: 4,737,765 km (0.073 R)
• M10: 5,712,694 km (0.091 R)
• M11: 6,143,536 km (0.119 R)
• M12: 6,816,577 km (0.09 R)
• M13: 7,243,678 km (0.117 R)
• M14: 7,628,295 km (0.058 R)
• M15: 8,535,606 km (0.108 R)
• M16: 8,898,081 km (0.053 R)
• M17: 9,903,229 km (0.072 R)
• M18: 11,137,561 km (0.091 R)
• M19: 11,691,074 km (0.046 R)
• M20: 12,555,899 km (0.075 R)
• M21: 12,939,318 km (0.065 R)
• M22: 13,330,517 km (0.119 R)
• M23: 15,213,954 km (0.066 R)
• M24: 15,846,603 km (0.063 R)
• M25: 16,496,606 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.7

Radius: 10.3

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.17 AU - 2.85 AU

Year: 2528 Days

Day: 9.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,911,268 km

• M1: 128,654 km (0.034 R)
• M2: 565,031 km (0.083 R)
• M3: 959,521 km (0.033 R)
• M4: 1,314,068 km (0.083 R)
• M5: 2,231,252 km (0.105 R)
• M6: 2,788,804 km (0.071 R)
• M7: 3,492,512 km (0.105 R)
• M8: 3,896,576 km (0.112 R)
• M9: 4,776,211 km (0.079 R)
• M10: 5,275,569 km (0.103 R)
• M11: 5,888,471 km (0.095 R)
• M12: 7,693,071 km (0.055 R)
• M13: 8,246,433 km (0.106 R)
• M14: 9,469,246 km (0.079 R)
• M15: 9,839,800 km (0.112 R)
• M16: 10,258,674 km (0.045 R)
• M17: 11,798,186 km (0.078 R)
• M18: 12,140,914 km (0.101 R)
• M19: 14,681,086 km (0.074 R)
• M20: 15,128,085 km (0.119 R)
• M21: 16,470,576 km (0.117 R)
• M22: 17,947,107 km (0.115 R)
• M23: 20,355,184 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 14,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit