🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682

Radius: 14

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 6.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,156,946 km

• M1: 174,132 km (0.061 R)
• M2: 671,545 km (0.113 R)
• M3: 1,159,683 km (0.077 R)
• M4: 2,046,499 km (0.079 R)
• M5: 2,831,140 km (0.086 R)
• M6: 3,590,349 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.1

Radius: 11.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.66 AU - 0.74 AU

Year: 397 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,156,946 km

• M1: 148,999 km (0.095 R)
• M2: 535,710 km (0.079 R)
• M3: 974,481 km (0.119 R)
• M4: 1,390,961 km (0.059 R)
• M5: 1,891,067 km (0.039 R)
• M6: 2,799,425 km (0.097 R)
• M7: 3,572,547 km (0.109 R)
• M8: 4,066,220 km (0.073 R)
• M9: 4,660,273 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.6

Radius: 14.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.82 AU - 0.86 AU

Year: 522 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,156,946 km

• M1: 181,612 km (0.088 R)
• M2: 732,132 km (0.037 R)
• M3: 1,220,719 km (0.041 R)
• M4: 1,719,478 km (0.109 R)
• M5: 2,320,712 km (0.073 R)
• M6: 2,839,068 km (0.093 R)
• M7: 5,064,486 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.4

Radius: 9.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.69 AU - 1.71 AU

Year: 1503 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,156,946 km

• M1: 118,182 km (0.072 R)
• M2: 560,394 km (0.102 R)
• M3: 860,487 km (0.087 R)
• M4: 1,316,910 km (0.117 R)
• M5: 1,920,089 km (0.12 R)
• M6: 2,274,636 km (0.077 R)
• M7: 2,648,182 km (0.087 R)
• M8: 3,186,883 km (0.094 R)
• M9: 3,595,585 km (0.098 R)
• M10: 4,572,160 km (0.102 R)
• M11: 5,016,615 km (0.075 R)
• M12: 5,949,358 km (0.047 R)
• M13: 6,277,276 km (0.088 R)
• M14: 6,780,075 km (0.076 R)
• M15: 7,686,189 km (0.078 R)
• M16: 8,505,836 km (0.049 R)
• M17: 9,122,179 km (0.037 R)
• M18: 9,979,524 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.7

Radius: 14.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.05 AU - 2.81 AU

Year: 2569 Days

Day: 7 Hours

Environment

Temp: -203 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,156,946 km

• M1: 175,329 km (0.115 R)
• M2: 854,054 km (0.094 R)
• M3: 1,628,522 km (0.099 R)
• M4: 2,316,673 km (0.119 R)
• M5: 2,897,860 km (0.102 R)
• M6: 3,917,669 km (0.119 R)
• M7: 4,589,962 km (0.096 R)
• M8: 5,101,138 km (0.064 R)
• M9: 5,718,977 km (0.103 R)
• M10: 6,662,491 km (0.053 R)
• M11: 8,797,552 km (0.089 R)
• M12: 9,299,602 km (0.102 R)
• M13: 10,604,395 km (0.085 R)
• M14: 11,876,425 km (0.082 R)
• M15: 14,462,225 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 10.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.4 AU - 2.56 AU

Year: 2649 Days

Day: 8.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,156,946 km

• M1: 138,378 km (0.102 R)
• M2: 612,753 km (0.094 R)
• M3: 1,585,588 km (0.086 R)
• M4: 2,794,638 km (0.099 R)
• M5: 3,499,543 km (0.116 R)
• M6: 4,822,886 km (0.109 R)
• M7: 7,684,843 km (0.075 R)
• M8: 9,366,323 km (0.117 R)
• M9: 11,454,111 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.9

Radius: 6.6

Gravity: 14.02 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.94 AU - 8 AU

Year: 15261 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,156,946 km

• M1: 88,861 km (0.046 R)
• M2: 444,306 km (0.105 R)
• M3: 1,024,895 km (0.074 R)
• M4: 1,244,654 km (0.045 R)
• M5: 1,587,084 km (0.094 R)
• M6: 1,884,036 km (0.12 R)
• M7: 7,223,632 km (0.062 R)
• M8: 9,592,664 km (0.052 R)
• M9: 12,184,447 km (0.068 R)
• M10: 13,808,931 km (0.114 R)
• M11: 16,777,401 km (0.105 R)
• M12: 20,585,116 km (0.114 R)
• M13: 21,574,107 km (0.059 R)
• M14: 37,062,723 km (0.112 R)
• M15: 39,747,855 km (0.118 R)
• M16: 41,844,918 km (0.102 R)
• M17: 48,891,875 km (0.058 R)
• M18: 51,134,347 km (0.119 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: 239 - 13,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit