🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 11.2

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.78 AU - 0.8 AU

Year: 453 Days

Day: 6.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,927,054 km

• M1: 139,425 km (0.065 R)
• M2: 521,947 km (0.076 R)
• M3: 1,104,032 km (0.037 R)
• M4: 1,638,994 km (0.04 R)
• M5: 2,040,964 km (0.114 R)
• M6: 2,694,706 km (0.104 R)
• M7: 3,117,919 km (0.111 R)
• M8: 3,702,996 km (0.118 R)
• M9: 4,085,518 km (0.108 R)
• M10: 4,662,517 km (0.101 R)
• M11: 6,183,927 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.8

Radius: 10.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.69 AU - 1.13 AU

Year: 561 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,927,054 km

• M1: 133,142 km (0.067 R)
• M2: 552,315 km (0.115 R)
• M3: 903,870 km (0.04 R)
• M4: 1,272,479 km (0.105 R)
• M5: 1,626,877 km (0.075 R)
• M6: 2,451,012 km (0.105 R)
• M7: 3,124,052 km (0.075 R)
• M8: 3,464,687 km (0.098 R)
• M9: 3,953,573 km (0.114 R)
• M10: 4,865,970 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 12.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.4 AU - 1.58 AU

Year: 1174 Days

Day: 10.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,927,054 km

• M1: 169,794 km (0.061 R)
• M2: 572,661 km (0.084 R)
• M3: 1,084,285 km (0.111 R)
• M4: 1,683,126 km (0.038 R)
• M5: 2,474,498 km (0.045 R)
• M6: 2,962,935 km (0.084 R)
• M7: 3,705,090 km (0.118 R)
• M8: 4,516,509 km (0.107 R)
• M9: 6,449,314 km (0.114 R)
• M10: 7,077,774 km (0.08 R)
• M11: 7,527,166 km (0.098 R)
• M12: 8,882,972 km (0.086 R)
• M13: 9,661,928 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 11.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.93 AU - 3.33 AU

Year: 3575 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,927,054 km

• M1: 147,952 km (0.119 R)
• M2: 1,796,072 km (0.079 R)
• M3: 2,408,825 km (0.089 R)
• M4: 3,653,180 km (0.108 R)
• M5: 5,664,673 km (0.055 R)
• M6: 7,146,440 km (0.068 R)
• M7: 7,977,755 km (0.046 R)
• M8: 11,074,730 km (0.027 R)
• M9: 12,850,607 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.7

Radius: 3.6

Gravity: 74.59 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.18 AU - 9.6 AU

Year: 17115 Days

Day: 22.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,927,054 km

• M1: 44,730 km (0.108 R)
• M2: 174,282 km (0.103 R)
• M3: 353,799 km (0.057 R)
• M4: 588,967 km (0.109 R)
• M5: 1,107,623 km (0.06 R)
• M6: 1,939,387 km (0.091 R)
• M7: 2,611,530 km (0.101 R)
• M8: 4,570,365 km (0.116 R)
• M9: 5,619,644 km (0.105 R)
• M10: 5,740,818 km (0.069 R)
• M11: 6,243,168 km (0.102 R)
• M12: 7,239,191 km (0.116 R)
• M13: 8,761,648 km (0.108 R)
• M14: 9,946,314 km (0.066 R)
• M15: 13,691,646 km (0.107 R)
• M16: 17,928,258 km (0.097 R)
• M17: 34,195,530 km (0.101 R)
• M18: 34,464,806 km (0.112 R)
• M19: 35,418,343 km (0.076 R)
• M20: 37,093,540 km (0.097 R)
• M21: 37,235,508 km (0.08 R)
• M22: 45,126,646 km (0.109 R)
• M23: 47,260,062 km (0.056 R)
• M24: 49,117,020 km (0.076 R)
• M25: 50,671,940 km (0.073 R)
• M26: 51,726,755 km (0.085 R)
• M27: 54,244,338 km (0.053 R)
• M28: 54,794,259 km (0.117 R)
• M29: 57,790,256 km (0.099 R)
• M30: 58,172,179 km (0.091 R)
• M31: 59,328,272 km (0.032 R)
• M32: 64,105,979 km (0.095 R)
• M33: 71,303,880 km (0.104 R)
• M34: 73,967,470 km (0.097 R)
• M35: 75,323,874 km (0.11 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: 254 - 11,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit