🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.3

Radius: 8.9

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.65 AU - 0.95 AU

Year: 455 Days

Day: 11.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,771,989 km

• M1: 110,702 km (0.119 R)
• M2: 438,471 km (0.11 R)
• M3: 1,322,894 km (0.075 R)
• M4: 1,616,704 km (0.108 R)
• M5: 2,019,272 km (0.066 R)
• M6: 2,468,963 km (0.087 R)
• M7: 3,643,307 km (0.055 R)
• M8: 4,094,045 km (0.096 R)
• M9: 4,538,201 km (0.105 R)
• M10: 4,907,409 km (0.099 R)
• M11: 5,185,511 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.5

Radius: 9.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.04 AU - 1.6 AU

Year: 964 Days

Day: 15 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,771,989 km

• M1: 113,096 km (0.113 R)
• M2: 526,585 km (0.087 R)
• M3: 811,718 km (0.086 R)
• M4: 1,140,534 km (0.085 R)
• M5: 1,672,803 km (0.105 R)
• M6: 2,268,502 km (0.109 R)
• M7: 2,604,948 km (0.116 R)
• M8: 2,949,621 km (0.071 R)
• M9: 6,182,730 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 11.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.01 AU - 2.53 AU

Year: 2175 Days

Day: 5.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,771,989 km

• M1: 141,968 km (0.117 R)
• M2: 542,891 km (0.118 R)
• M3: 1,035,816 km (0.054 R)
• M4: 1,465,162 km (0.104 R)
• M5: 1,885,382 km (0.113 R)
• M6: 2,253,094 km (0.112 R)
• M7: 2,805,409 km (0.066 R)
• M8: 3,273,501 km (0.064 R)
• M9: 3,725,585 km (0.103 R)
• M10: 4,617,937 km (0.117 R)
• M11: 5,403,774 km (0.098 R)
• M12: 6,061,706 km (0.068 R)
• M13: 6,496,587 km (0.088 R)
• M14: 7,108,592 km (0.106 R)
• M15: 9,115,746 km (0.102 R)
• M16: 9,494,378 km (0.109 R)
• M17: 10,351,125 km (0.075 R)
• M18: 11,258,586 km (0.107 R)
• M19: 12,524,483 km (0.118 R)
• M20: 13,595,454 km (0.039 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.3

Radius: 5.7

Gravity: 28.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.04 AU - 8.42 AU

Year: 12361 Days

Day: 22.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,771,989 km

• M1: 70,909 km (0.028 R)
• M2: 265,536 km (0.098 R)
• M3: 504,594 km (0.106 R)
• M4: 778,358 km (0.105 R)
• M5: 1,028,485 km (0.075 R)
• M6: 1,445,265 km (0.101 R)
• M7: 1,628,223 km (0.089 R)
• M8: 2,041,712 km (0.083 R)
• M9: 3,568,208 km (0.105 R)
• M10: 3,905,552 km (0.059 R)
• M11: 4,388,005 km (0.095 R)
• M12: 5,080,643 km (0.12 R)
• M13: 6,433,606 km (0.094 R)
• M14: 7,369,640 km (0.09 R)
• M15: 7,639,814 km (0.114 R)
• M16: 9,143,123 km (0.077 R)
• M17: 9,828,580 km (0.116 R)
• M18: 14,395,803 km (0.068 R)
• M19: 16,978,910 km (0.118 R)
• M20: 17,292,467 km (0.077 R)
• M21: 17,689,948 km (0.09 R)
• M22: 17,931,250 km (0.108 R)
• M23: 18,256,475 km (0.05 R)
• M24: 22,755,033 km (0.059 R)
• M25: 27,615,468 km (0.093 R)
• M26: 28,267,864 km (0.081 R)
• M27: 28,597,877 km (0.077 R)
• M28: 29,603,324 km (0.06 R)
• M29: 34,109,063 km (0.07 R)
• M30: 46,253,118 km (0.093 R)
• M31: 47,172,697 km (0.102 R)
• M32: 52,947,174 km (0.104 R)
• M33: 54,461,105 km (0.093 R)
• M34: 55,658,337 km (0.102 R)
• M35: 57,928,035 km (0.069 R)
• M36: 61,355,323 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.5

Radius: 3.7

Gravity: 51.53 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.34 AU - 9.2 AU

Year: 15121 Days

Day: 19.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,771,989 km

• M1: 55,501 km (0.089 R)
• M2: 176,525 km (0.108 R)
• M3: 417,677 km (0.038 R)
• M4: 579,093 km (0.112 R)
• M5: 781,649 km (0.081 R)
• M6: 1,053,767 km (0.063 R)
• M7: 1,400,386 km (0.1 R)
• M8: 1,783,805 km (0.066 R)
• M9: 1,962,874 km (0.085 R)
• M10: 2,294,682 km (0.105 R)
• M11: 2,640,103 km (0.045 R)
• M12: 2,825,305 km (0.095 R)
• M13: 3,598,278 km (0.06 R)
• M14: 4,405,956 km (0.048 R)
• M15: 4,700,215 km (0.101 R)
• M16: 4,937,927 km (0.11 R)
• M17: 7,589,250 km (0.12 R)
• M18: 8,301,934 km (0.099 R)
• M19: 8,599,185 km (0.11 R)
• M20: 9,267,289 km (0.107 R)
• M21: 10,881,450 km (0.083 R)
• M22: 15,087,244 km (0.113 R)
• M23: 17,466,150 km (0.061 R)
• M24: 21,071,758 km (0.094 R)
• M25: 25,349,359 km (0.105 R)
• M26: 26,609,123 km (0.103 R)
• M27: 29,939,770 km (0.094 R)
• M28: 30,403,822 km (0.074 R)
• M29: 38,358,839 km (0.104 R)
• M30: 42,299,845 km (0.103 R)
• M31: 47,909,915 km (0.12 R)
• M32: 48,385,337 km (0.065 R)
• M33: 53,824,865 km (0.077 R)
• M34: 56,603,047 km (0.057 R)
• M35: 59,475,326 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 10,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit