🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 8.3

Gravity: 14.42 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.25 AU - 1.77 AU

Year: 1180 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,516,785 km

• M1: 103,372 km (0.051 R)
• M2: 366,664 km (0.045 R)
• M3: 663,018 km (0.091 R)
• M4: 1,076,207 km (0.117 R)
• M5: 1,396,646 km (0.108 R)
• M6: 1,731,296 km (0.097 R)
• M7: 2,030,791 km (0.115 R)
• M8: 2,401,345 km (0.112 R)
• M9: 2,735,247 km (0.111 R)
• M10: 3,449,727 km (0.101 R)
• M11: 5,609,023 km (0.071 R)
• M12: 6,129,773 km (0.032 R)
• M13: 7,034,840 km (0.103 R)
• M14: 7,320,422 km (0.046 R)
• M15: 8,054,200 km (0.113 R)
• M16: 9,699,627 km (0.108 R)
• M17: 10,086,487 km (0.105 R)
• M18: 10,383,289 km (0.078 R)
• M19: 10,686,075 km (0.111 R)
• M20: 12,251,467 km (0.09 R)
• M21: 12,513,862 km (0.119 R)
• M22: 12,818,443 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.9

Radius: 8.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.73 AU - 2.13 AU

Year: 1705 Days

Day: 10.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,516,785 km

• M1: 116,686 km (0.104 R)
• M2: 418,724 km (0.118 R)
• M3: 771,476 km (0.081 R)
• M4: 1,073,664 km (0.099 R)
• M5: 1,356,404 km (0.083 R)
• M6: 1,728,005 km (0.047 R)
• M7: 2,023,461 km (0.114 R)
• M8: 2,665,834 km (0.084 R)
• M9: 3,693,272 km (0.097 R)
• M10: 4,518,454 km (0.099 R)
• M11: 4,865,222 km (0.107 R)
• M12: 5,788,540 km (0.069 R)
• M13: 7,518,191 km (0.077 R)
• M14: 8,145,754 km (0.093 R)
• M15: 9,443,216 km (0.102 R)
• M16: 10,271,839 km (0.12 R)
• M17: 11,462,787 km (0.085 R)
• M18: 12,517,303 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 11

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.53 AU - 4.99 AU

Year: 5590 Days

Day: 10.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,516,785 km

• M1: 138,228 km (0.116 R)
• M2: 550,520 km (0.108 R)
• M3: 912,996 km (0.058 R)
• M4: 1,408,913 km (0.047 R)
• M5: 2,385,936 km (0.048 R)
• M6: 3,107,148 km (0.048 R)
• M7: 3,722,743 km (0.12 R)
• M8: 4,981,310 km (0.107 R)
• M9: 6,220,878 km (0.113 R)
• M10: 9,137,737 km (0.087 R)
• M11: 10,314,175 km (0.095 R)
• M12: 10,848,090 km (0.116 R)
• M13: 11,494,352 km (0.086 R)
• M14: 13,746,399 km (0.051 R)
• M15: 14,503,364 km (0.079 R)
• M16: 15,806,960 km (0.082 R)
• M17: 16,517,251 km (0.12 R)
• M18: 18,711,103 km (0.112 R)
• M19: 20,810,709 km (0.056 R)
• M20: 22,987,807 km (0.059 R)
• M21: 25,553,411 km (0.119 R)
• M22: 26,697,386 km (0.118 R)
• M23: 27,114,016 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.4

Radius: 15

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.93 AU - 5.45 AU

Year: 6458 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,516,785 km

• M1: 186,549 km (0.072 R)
• M2: 689,347 km (0.086 R)
• M3: 1,696,440 km (0.066 R)
• M4: 5,122,231 km (0.109 R)
• M5: 5,840,899 km (0.107 R)
• M6: 6,657,554 km (0.087 R)
• M7: 8,150,690 km (0.092 R)
• M8: 9,611,813 km (0.088 R)
• M9: 13,401,875 km (0.053 R)
• M10: 14,607,185 km (0.066 R)
• M11: 17,537,059 km (0.057 R)
• M12: 20,770,468 km (0.051 R)
• M13: 22,097,251 km (0.115 R)
• M14: 23,628,684 km (0.118 R)
• M15: 25,229,980 km (0.067 R)
• M16: 27,724,525 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.5

Radius: 3.5

Gravity: 67.71 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.39 AU - 12.15 AU

Year: 19417 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,516,785 km

• M1: 44,879 km (0.094 R)
• M2: 155,133 km (0.116 R)
• M3: 271,071 km (0.093 R)
• M4: 447,896 km (0.087 R)
• M5: 1,035,965 km (0.034 R)
• M6: 1,226,703 km (0.096 R)
• M7: 1,696,290 km (0.074 R)
• M8: 2,899,506 km (0.105 R)
• M9: 4,234,517 km (0.042 R)
• M10: 4,867,466 km (0.092 R)
• M11: 7,982,692 km (0.072 R)
• M12: 8,723,201 km (0.073 R)
• M13: 10,339,606 km (0.099 R)
• M14: 14,000,266 km (0.06 R)
• M15: 14,301,556 km (0.103 R)
• M16: 20,105,505 km (0.049 R)
• M17: 20,392,434 km (0.098 R)
• M18: 21,768,285 km (0.076 R)
• M19: 26,378,892 km (0.082 R)
• M20: 26,838,157 km (0.117 R)
• M21: 30,833,168 km (0.108 R)
• M22: 34,518,811 km (0.11 R)
• M23: 38,340,887 km (0.09 R)
• M24: 38,487,643 km (0.066 R)
• M25: 39,525,253 km (0.046 R)
• M26: 42,749,836 km (0.08 R)
• M27: 44,831,490 km (0.104 R)
• M28: 60,924,930 km (0.077 R)
• M29: 61,928,432 km (0.109 R)
• M30: 73,704,029 km (0.093 R)
• M31: 74,158,357 km (0.107 R)
• M32: 78,330,642 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 11,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit