🌌 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: 899.6

Radius: 12.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.47 AU - 0.63 AU

Year: 277 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,303,836 km

• M1: 156,779 km (0.075 R)
• M2: 560,543 km (0.076 R)
• M3: 990,039 km (0.111 R)
• M4: 1,426,416 km (0.09 R)
• M5: 1,890,319 km (0.11 R)
• M6: 2,394,912 km (0.102 R)
• M7: 2,979,092 km (0.099 R)
• M8: 3,576,735 km (0.082 R)
• M9: 4,382,769 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.8

Radius: 12

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.95 AU - 1.47 AU

Year: 903 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,303,836 km

• M1: 149,299 km (0.11 R)
• M2: 574,306 km (0.075 R)
• M3: 1,604,736 km (0.041 R)
• M4: 2,124,140 km (0.12 R)
• M5: 2,917,757 km (0.076 R)
• M6: 3,320,325 km (0.104 R)
• M7: 4,322,630 km (0.115 R)
• M8: 5,052,219 km (0.056 R)
• M9: 5,496,525 km (0.048 R)
• M10: 6,643,492 km (0.047 R)
• M11: 7,690,827 km (0.097 R)
• M12: 8,175,823 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.1

Radius: 9

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.47 AU - 2.13 AU

Year: 1638 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,303,836 km

• M1: 130,300 km (0.116 R)
• M2: 463,454 km (0.075 R)
• M3: 1,023,249 km (0.11 R)
• M4: 1,943,576 km (0.086 R)
• M5: 2,405,534 km (0.059 R)
• M6: 3,149,334 km (0.079 R)
• M7: 3,948,187 km (0.042 R)
• M8: 5,347,226 km (0.081 R)
• M9: 5,662,579 km (0.1 R)
• M10: 6,430,464 km (0.058 R)
• M11: 7,458,351 km (0.092 R)
• M12: 8,806,976 km (0.083 R)
• M13: 9,670,455 km (0.076 R)
• M14: 10,208,260 km (0.074 R)
• M15: 13,160,573 km (0.119 R)
• M16: 13,779,161 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 13.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.18 AU - 2.72 AU

Year: 2601 Days

Day: 10.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,303,836 km

• M1: 172,935 km (0.065 R)
• M2: 661,073 km (0.1 R)
• M3: 1,270,535 km (0.053 R)
• M4: 1,769,294 km (0.101 R)
• M5: 2,879,909 km (0.108 R)
• M6: 3,838,233 km (0.113 R)
• M7: 4,836,798 km (0.117 R)
• M8: 5,713,741 km (0.092 R)
• M9: 6,218,035 km (0.096 R)
• M10: 6,751,950 km (0.05 R)
• M11: 8,506,584 km (0.11 R)
• M12: 9,710,547 km (0.09 R)
• M13: 10,944,730 km (0.087 R)
• M14: 12,720,157 km (0.066 R)
• M15: 17,433,388 km (0.103 R)
• M16: 18,101,492 km (0.096 R)
• M17: 19,077,169 km (0.071 R)
• M18: 20,822,079 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.9

Radius: 14

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.51 AU - 5.57 AU

Year: 6561 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,303,836 km

• M1: 174,132 km (0.062 R)
• M2: 789,278 km (0.094 R)
• M3: 1,345,184 km (0.09 R)
• M4: 2,194,750 km (0.047 R)
• M5: 2,835,029 km (0.085 R)
• M6: 3,803,526 km (0.077 R)
• M7: 4,926,407 km (0.094 R)
• M8: 5,749,495 km (0.056 R)
• M9: 7,372,333 km (0.105 R)
• M10: 7,937,364 km (0.034 R)
• M11: 8,653,638 km (0.086 R)
• M12: 9,499,465 km (0.103 R)
• M13: 10,169,663 km (0.112 R)
• M14: 10,728,262 km (0.111 R)
• M15: 12,581,031 km (0.045 R)
• M16: 14,933,009 km (0.119 R)
• M17: 15,717,051 km (0.097 R)
• M18: 17,236,667 km (0.103 R)
• M19: 20,787,671 km (0.12 R)
• M20: 24,716,859 km (0.104 R)
• M21: 25,558,347 km (0.046 R)
• M22: 28,746,278 km (0.084 R)
• M23: 29,582,979 km (0.058 R)
• M24: 31,696,498 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.7

Radius: 10.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.32 AU - 4.94 AU

Year: 6757 Days

Day: 15 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,303,836 km

• M1: 135,536 km (0.086 R)
• M2: 504,444 km (0.083 R)
• M3: 870,360 km (0.109 R)
• M4: 1,243,158 km (0.099 R)
• M5: 1,641,986 km (0.078 R)
• M6: 2,030,492 km (0.04 R)
• M7: 2,449,665 km (0.055 R)
• M8: 4,024,332 km (0.098 R)
• M9: 4,863,277 km (0.118 R)
• M10: 5,351,116 km (0.11 R)
• M11: 6,576,622 km (0.1 R)
• M12: 7,637,420 km (0.096 R)
• M13: 8,085,466 km (0.062 R)
• M14: 10,551,886 km (0.079 R)
• M15: 10,978,240 km (0.113 R)
• M16: 13,040,596 km (0.08 R)
• M17: 13,933,695 km (0.051 R)
• M18: 16,685,847 km (0.098 R)
• M19: 17,090,061 km (0.114 R)
• M20: 22,115,652 km (0.05 R)
• M21: 23,891,229 km (0.083 R)
• M22: 25,151,591 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.6

Radius: 11.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.11 AU - 6.07 AU

Year: 7789 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,303,836 km

• M1: 148,102 km (0.044 R)
• M2: 639,082 km (0.081 R)
• M3: 1,387,520 km (0.03 R)
• M4: 2,112,472 km (0.118 R)
• M5: 3,242,983 km (0.077 R)
• M6: 4,357,786 km (0.104 R)
• M7: 5,628,919 km (0.066 R)
• M8: 6,410,867 km (0.112 R)
• M9: 6,812,687 km (0.105 R)
• M10: 11,359,266 km (0.09 R)
• M11: 17,490,385 km (0.115 R)
• M12: 18,962,129 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 14,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit