🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.4

Radius: 11.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.42 AU - 0.64 AU

Year: 257 Days

Day: 11.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,473,681 km

• M1: 138,079 km (0.096 R)
• M2: 635,492 km (0.104 R)
• M3: 1,150,557 km (0.066 R)
• M4: 1,741,469 km (0.116 R)
• M5: 2,160,343 km (0.101 R)
• M6: 2,752,152 km (0.112 R)
• M7: 3,145,445 km (0.09 R)
• M8: 3,501,937 km (0.099 R)
• M9: 3,896,875 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.6

Radius: 8.1

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.71 AU - 0.73 AU

Year: 407 Days

Day: 9.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,473,681 km

• M1: 101,278 km (0.027 R)
• M2: 457,321 km (0.094 R)
• M3: 721,062 km (0.11 R)
• M4: 1,073,963 km (0.115 R)
• M5: 1,617,303 km (0.103 R)
• M6: 2,088,985 km (0.094 R)
• M7: 2,548,400 km (0.044 R)
• M8: 2,860,311 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.5

Radius: 12.1

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.65 AU - 0.93 AU

Year: 468 Days

Day: 5.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,473,681 km

• M1: 150,495 km (0.118 R)
• M2: 537,056 km (0.113 R)
• M3: 956,828 km (0.12 R)
• M4: 1,810,733 km (0.079 R)
• M5: 2,262,518 km (0.039 R)
• M6: 2,956,204 km (0.117 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.3

Radius: 7.2

Gravity: 19.14 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.85 AU - 7.57 AU

Year: 10320 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,473,681 km

• M1: 90,208 km (0.068 R)
• M2: 328,966 km (0.08 R)
• M3: 631,453 km (0.095 R)
• M4: 1,658,442 km (0.105 R)
• M5: 1,970,204 km (0.105 R)
• M6: 2,301,414 km (0.117 R)
• M7: 3,497,449 km (0.119 R)
• M8: 3,872,790 km (0.031 R)
• M9: 4,424,955 km (0.119 R)
• M10: 5,685,168 km (0.106 R)
• M11: 5,941,130 km (0.06 R)
• M12: 6,555,229 km (0.075 R)
• M13: 7,819,780 km (0.065 R)
• M14: 8,845,124 km (0.097 R)
• M15: 13,654,396 km (0.112 R)
• M16: 16,204,591 km (0.085 R)
• M17: 17,862,734 km (0.096 R)
• M18: 18,893,912 km (0.117 R)
• M19: 20,216,955 km (0.077 R)
• M20: 20,814,749 km (0.077 R)
• M21: 21,161,666 km (0.037 R)
• M22: 24,172,024 km (0.039 R)
• M23: 24,748,425 km (0.091 R)
• M24: 25,235,665 km (0.077 R)
• M25: 28,935,220 km (0.042 R)
• M26: 31,706,969 km (0.059 R)
• M27: 34,894,003 km (0.074 R)
• M28: 35,630,174 km (0.058 R)
• M29: 43,007,593 km (0.066 R)
• M30: 46,017,502 km (0.088 R)
• M31: 50,869,410 km (0.115 R)
• M32: 54,232,370 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.9

Radius: 7.4

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.03 AU - 10.27 AU

Year: 21564 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,473,681 km

• M1: 173,384 km (0.037 R)
• M2: 519,254 km (0.12 R)
• M3: 1,313,469 km (0.087 R)
• M4: 2,246,960 km (0.115 R)
• M5: 2,655,362 km (0.117 R)
• M6: 4,060,086 km (0.069 R)
• M7: 8,439,564 km (0.062 R)
• M8: 9,974,737 km (0.091 R)
• M9: 12,064,769 km (0.06 R)
• M10: 13,450,045 km (0.091 R)
• M11: 19,263,419 km (0.048 R)
• M12: 20,416,968 km (0.094 R)
• M13: 21,804,338 km (0.075 R)
• M14: 22,376,550 km (0.094 R)
• M15: 27,984,974 km (0.087 R)
• M16: 28,774,253 km (0.055 R)
• M17: 30,752,984 km (0.098 R)
• M18: 37,095,934 km (0.111 R)
• M19: 38,461,313 km (0.08 R)
• M20: 39,156,345 km (0.114 R)
• M21: 40,143,541 km (0.113 R)
• M22: 40,858,619 km (0.117 R)
• M23: 42,609,812 km (0.089 R)
• M24: 45,483,587 km (0.055 R)
• M25: 64,502,114 km (0.092 R)
• M26: 66,473,664 km (0.07 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: 526 - 19,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit