🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.53 AU - 0.71 AU

Year: 320 Days

Day: 19.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.38 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.2

Radius: 12.8

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.04 AU - 2.24 AU

Year: 2054 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,063,724 km

• M1: 159,322 km (0.086 R)
• M2: 627,713 km (0.104 R)
• M3: 1,303,446 km (0.079 R)
• M4: 1,826,440 km (0.068 R)
• M5: 3,015,145 km (0.115 R)
• M6: 3,545,170 km (0.079 R)
• M7: 4,477,913 km (0.097 R)
• M8: 5,013,623 km (0.095 R)
• M9: 5,591,819 km (0.083 R)
• M10: 6,396,655 km (0.088 R)
• M11: 7,248,615 km (0.078 R)
• M12: 8,362,970 km (0.09 R)
• M13: 9,212,087 km (0.107 R)
• M14: 11,785,021 km (0.067 R)
• M15: 12,229,028 km (0.044 R)
• M16: 15,417,257 km (0.068 R)
• M17: 16,095,983 km (0.107 R)
• M18: 16,845,319 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 11.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.81 AU - 2.93 AU

Year: 3190 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,063,724 km

• M1: 148,850 km (0.074 R)
• M2: 586,424 km (0.076 R)
• M3: 1,282,203 km (0.06 R)
• M4: 2,228,260 km (0.034 R)
• M5: 2,763,521 km (0.094 R)
• M6: 3,199,599 km (0.112 R)
• M7: 3,903,008 km (0.113 R)
• M8: 4,706,947 km (0.073 R)
• M9: 5,593,913 km (0.118 R)
• M10: 5,963,420 km (0.089 R)
• M11: 8,002,140 km (0.069 R)
• M12: 8,763,892 km (0.119 R)
• M13: 9,503,953 km (0.088 R)
• M14: 10,880,104 km (0.086 R)
• M15: 11,655,768 km (0.116 R)
• M16: 12,261,341 km (0.118 R)
• M17: 14,114,410 km (0.042 R)
• M18: 14,802,709 km (0.108 R)
• M19: 15,513,299 km (0.11 R)
• M20: 17,156,632 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.5

Radius: 13.4

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.76 AU - 3.6 AU

Year: 3720 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,063,724 km

• M1: 168,597 km (0.056 R)
• M2: 1,148,463 km (0.081 R)
• M3: 1,833,920 km (0.117 R)
• M4: 4,741,505 km (0.061 R)
• M5: 5,458,976 km (0.102 R)
• M6: 10,221,275 km (0.072 R)
• M7: 12,242,641 km (0.089 R)
• M8: 13,414,591 km (0.088 R)
• M9: 14,518,174 km (0.045 R)
• M10: 15,433,863 km (0.076 R)
• M11: 16,801,038 km (0.102 R)
• M12: 18,137,695 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.5

Radius: 8

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.79 AU - 7.87 AU

Year: 10448 Days

Day: 25 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 38,063,724 km

• M1: 103,971 km (0.063 R)
• M2: 393,891 km (0.099 R)
• M3: 862,881 km (0.072 R)
• M4: 1,869,375 km (0.081 R)
• M5: 2,656,858 km (0.08 R)
• M6: 3,602,466 km (0.118 R)
• M7: 4,480,905 km (0.052 R)
• M8: 5,495,029 km (0.059 R)
• M9: 7,310,998 km (0.111 R)
• M10: 8,667,401 km (0.108 R)
• M11: 9,629,914 km (0.052 R)
• M12: 10,906,283 km (0.115 R)
• M13: 14,435,746 km (0.061 R)
• M14: 16,360,023 km (0.103 R)
• M15: 16,751,371 km (0.103 R)
• M16: 17,417,381 km (0.1 R)
• M17: 17,894,000 km (0.052 R)
• M18: 18,239,720 km (0.072 R)
• M19: 18,660,390 km (0.083 R)
• M20: 19,303,660 km (0.119 R)
• M21: 20,184,343 km (0.117 R)
• M22: 21,710,989 km (0.054 R)
• M23: 22,422,477 km (0.047 R)
• M24: 23,231,203 km (0.11 R)
• M25: 24,059,227 km (0.07 R)
• M26: 26,393,104 km (0.117 R)
• M27: 29,349,756 km (0.112 R)
• M28: 32,520,034 km (0.074 R)
• M29: 34,187,601 km (0.075 R)
• M30: 34,827,431 km (0.088 R)
• M31: 35,366,732 km (0.118 R)
• M32: 37,919,171 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.5

Radius: 3.1

Gravity: 91.83 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.47 AU - 7.51 AU

Year: 10846 Days

Day: 15.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 38,063,724 km

• M1: 39,344 km (0.119 R)
• M2: 196,123 km (0.117 R)
• M3: 299,495 km (0.079 R)
• M4: 415,882 km (0.062 R)
• M5: 526,585 km (0.116 R)
• M6: 1,195,287 km (0.09 R)
• M7: 2,458,791 km (0.116 R)
• M8: 2,648,630 km (0.102 R)
• M9: 3,639,716 km (0.1 R)
• M10: 4,202,803 km (0.056 R)
• M11: 8,369,702 km (0.031 R)
• M12: 9,546,439 km (0.096 R)
• M13: 9,962,171 km (0.105 R)
• M14: 11,453,811 km (0.075 R)
• M15: 13,665,616 km (0.085 R)
• M16: 14,461,776 km (0.089 R)
• M17: 15,358,615 km (0.082 R)
• M18: 16,365,259 km (0.03 R)
• M19: 16,884,663 km (0.096 R)
• M20: 18,270,837 km (0.115 R)
• M21: 19,647,736 km (0.11 R)
• M22: 22,880,695 km (0.081 R)
• M23: 24,961,901 km (0.111 R)
• M24: 25,059,289 km (0.065 R)
• M25: 26,450,848 km (0.092 R)
• M26: 27,268,700 km (0.078 R)
• M27: 27,998,139 km (0.07 R)
• M28: 28,847,406 km (0.089 R)
• M29: 29,170,388 km (0.106 R)
• M30: 30,821,051 km (0.113 R)
• M31: 31,045,747 km (0.074 R)
• M32: 33,117,229 km (0.063 R)
• M33: 33,589,808 km (0.095 R)
• M34: 34,186,853 km (0.12 R)
• M35: 37,533,208 km (0.084 R)
• M36: 41,500,095 km (0.067 R)
• M37: 43,584,442 km (0.117 R)
• M38: 45,156,416 km (0.041 R)
• M39: 45,883,462 km (0.093 R)
• M40: 46,029,769 km (0.034 R)
• M41: 46,470,484 km (0.096 R)
• M42: 46,914,191 km (0.11 R)
• M43: 49,481,441 km (0.116 R)
• M44: 51,191,494 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.5

Radius: 4.9

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.44 AU - 7.42 AU

Year: 11968 Days

Day: 18.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,063,724 km

• M1: 60,886 km (0.078 R)
• M2: 282,590 km (0.11 R)
• M3: 454,628 km (0.089 R)
• M4: 654,790 km (0.109 R)
• M5: 1,160,580 km (0.066 R)
• M6: 1,329,775 km (0.051 R)
• M7: 2,001,470 km (0.104 R)
• M8: 2,566,800 km (0.07 R)
• M9: 2,757,538 km (0.082 R)
• M10: 2,937,205 km (0.096 R)
• M11: 3,523,927 km (0.117 R)
• M12: 3,931,432 km (0.064 R)
• M13: 4,185,449 km (0.063 R)
• M14: 6,383,640 km (0.073 R)
• M15: 6,592,778 km (0.09 R)
• M16: 8,771,970 km (0.083 R)
• M17: 8,943,858 km (0.104 R)
• M18: 10,163,829 km (0.093 R)
• M19: 13,662,624 km (0.116 R)
• M20: 16,093,290 km (0.119 R)
• M21: 16,416,122 km (0.117 R)
• M22: 22,908,670 km (0.044 R)
• M23: 30,826,436 km (0.111 R)
• M24: 32,131,827 km (0.107 R)
• M25: 33,264,882 km (0.119 R)
• M26: 35,719,484 km (0.108 R)
• M27: 36,048,300 km (0.1 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: 529 - 19,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit