🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.4

Radius: 10.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.5 AU - 0.61 AU

Year: 282 Days

Day: 14.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,178,557 km

• M1: 125,662 km (0.062 R)
• M2: 502,050 km (0.114 R)
• M3: 819,497 km (0.03 R)
• M4: 1,278,164 km (0.114 R)
• M5: 1,860,399 km (0.118 R)
• M6: 2,206,419 km (0.108 R)
• M7: 2,699,942 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 14.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.81 AU - 1.07 AU

Year: 629 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,178,557 km

• M1: 179,069 km (0.102 R)
• M2: 1,327,980 km (0.113 R)
• M3: 1,901,389 km (0.052 R)
• M4: 2,421,391 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.8

Radius: 12.1

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.39 AU - 1.77 AU

Year: 1371 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,178,557 km

• M1: 150,495 km (0.08 R)
• M2: 679,922 km (0.092 R)
• M3: 1,136,645 km (0.106 R)
• M4: 1,891,067 km (0.072 R)
• M5: 2,479,585 km (0.078 R)
• M6: 4,203,999 km (0.065 R)
• M7: 5,686,215 km (0.058 R)
• M8: 7,900,114 km (0.094 R)
• M9: 11,978,750 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593

Radius: 10.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.84 AU - 3.24 AU

Year: 3659 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,178,557 km

• M1: 134,339 km (0.096 R)
• M2: 471,832 km (0.053 R)
• M3: 1,088,474 km (0.067 R)
• M4: 1,449,903 km (0.111 R)
• M5: 2,154,209 km (0.087 R)
• M6: 2,577,571 km (0.08 R)
• M7: 2,969,518 km (0.096 R)
• M8: 3,534,998 km (0.074 R)
• M9: 4,762,149 km (0.051 R)
• M10: 5,127,916 km (0.088 R)
• M11: 5,888,920 km (0.12 R)
• M12: 6,723,377 km (0.088 R)
• M13: 8,556,101 km (0.112 R)
• M14: 9,435,437 km (0.047 R)
• M15: 9,975,635 km (0.109 R)
• M16: 10,454,946 km (0.079 R)
• M17: 16,076,086 km (0.044 R)
• M18: 17,015,860 km (0.084 R)
• M19: 17,643,124 km (0.044 R)
• M20: 18,404,278 km (0.063 R)
• M21: 20,626,554 km (0.094 R)
• M22: 21,078,490 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 13.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.46 AU - 3.92 AU

Year: 3933 Days

Day: 5.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,178,557 km

• M1: 171,888 km (0.068 R)
• M2: 909,555 km (0.078 R)
• M3: 1,797,718 km (0.089 R)
• M4: 2,227,363 km (0.081 R)
• M5: 2,694,258 km (0.083 R)
• M6: 3,356,976 km (0.096 R)
• M7: 4,280,593 km (0.111 R)
• M8: 4,718,915 km (0.032 R)
• M9: 5,161,875 km (0.092 R)
• M10: 5,686,813 km (0.119 R)
• M11: 6,422,386 km (0.06 R)
• M12: 6,999,535 km (0.068 R)
• M13: 7,710,873 km (0.077 R)
• M14: 8,831,361 km (0.082 R)
• M15: 10,218,582 km (0.028 R)
• M16: 11,221,187 km (0.05 R)
• M17: 12,799,594 km (0.081 R)
• M18: 13,276,661 km (0.059 R)
• M19: 13,716,180 km (0.041 R)
• M20: 14,727,761 km (0.116 R)
• M21: 15,411,722 km (0.032 R)
• M22: 19,030,345 km (0.045 R)
• M23: 19,968,922 km (0.106 R)
• M24: 23,110,477 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 13

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.9 AU - 4.8 AU

Year: 5214 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,178,557 km

• M1: 162,762 km (0.081 R)
• M2: 710,590 km (0.1 R)
• M3: 1,183,170 km (0.071 R)
• M4: 2,242,023 km (0.102 R)
• M5: 3,356,079 km (0.095 R)
• M6: 4,595,198 km (0.096 R)
• M7: 7,385,946 km (0.108 R)
• M8: 8,754,767 km (0.091 R)
• M9: 10,140,043 km (0.096 R)
• M10: 12,823,529 km (0.101 R)
• M11: 13,829,575 km (0.091 R)
• M12: 15,172,216 km (0.104 R)
• M13: 16,906,504 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.7

Radius: 9.6

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.62 AU - 4.7 AU

Year: 5857 Days

Day: 8.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,178,557 km

• M1: 119,379 km (0.098 R)
• M2: 439,219 km (0.119 R)
• M3: 936,632 km (0.082 R)
• M4: 1,536,669 km (0.106 R)
• M5: 2,020,918 km (0.089 R)
• M6: 2,641,150 km (0.057 R)
• M7: 3,296,987 km (0.067 R)
• M8: 3,935,322 km (0.067 R)
• M9: 4,492,873 km (0.094 R)
• M10: 4,846,672 km (0.11 R)
• M11: 5,734,535 km (0.065 R)
• M12: 6,184,376 km (0.118 R)
• M13: 6,657,704 km (0.102 R)
• M14: 7,450,124 km (0.093 R)
• M15: 7,908,192 km (0.078 R)
• M16: 8,589,162 km (0.117 R)
• M17: 12,700,859 km (0.069 R)
• M18: 14,031,981 km (0.036 R)
• M19: 15,271,100 km (0.113 R)
• M20: 16,326,364 km (0.079 R)
• M21: 17,696,231 km (0.079 R)
• M22: 19,000,276 km (0.09 R)
• M23: 20,074,089 km (0.118 R)
• M24: 20,663,056 km (0.081 R)
• M25: 21,415,534 km (0.063 R)
• M26: 21,953,039 km (0.094 R)
• M27: 22,420,981 km (0.094 R)
• M28: 25,029,369 km (0.103 R)
• M29: 25,454,377 km (0.081 R)
• M30: 31,133,411 km (0.089 R)
• M31: 31,625,139 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 15,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit