🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.3

Radius: 14

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.54 AU - 0.8 AU

Year: 366 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,594,606 km

• M1: 174,132 km (0.106 R)
• M2: 668,852 km (0.059 R)
• M3: 1,131,409 km (0.057 R)
• M4: 1,634,656 km (0.103 R)
• M5: 2,935,260 km (0.046 R)
• M6: 3,427,886 km (0.111 R)
• M7: 3,950,281 km (0.104 R)
• M8: 4,582,183 km (0.069 R)
• M9: 5,065,533 km (0.117 R)
• M10: 5,534,523 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 11.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.62 AU - 0.9 AU

Year: 442 Days

Day: 12.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,594,606 km

• M1: 147,803 km (0.073 R)
• M2: 596,297 km (0.113 R)
• M3: 1,015,022 km (0.093 R)
• M4: 1,894,657 km (0.117 R)
• M5: 2,604,798 km (0.045 R)
• M6: 3,273,800 km (0.084 R)
• M7: 4,081,180 km (0.091 R)
• M8: 4,670,446 km (0.097 R)
• M9: 5,094,256 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.9

Radius: 14

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.73 AU - 0.81 AU

Year: 451 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,594,606 km

• M1: 174,282 km (0.118 R)
• M2: 624,870 km (0.116 R)
• M3: 1,076,506 km (0.082 R)
• M4: 1,884,185 km (0.117 R)
• M5: 2,497,985 km (0.083 R)
• M6: 3,001,831 km (0.086 R)
• M7: 4,347,314 km (0.038 R)
• M8: 4,970,838 km (0.099 R)
• M9: 5,430,403 km (0.099 R)
• M10: 6,045,100 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.9

Radius: 15

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.41 AU - 1.83 AU

Year: 1375 Days

Day: 10.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,594,606 km

• M1: 187,297 km (0.1 R)
• M2: 658,829 km (0.04 R)
• M3: 1,206,507 km (0.066 R)
• M4: 2,311,138 km (0.084 R)
• M5: 2,996,296 km (0.113 R)
• M6: 3,717,058 km (0.063 R)
• M7: 4,242,446 km (0.06 R)
• M8: 4,759,606 km (0.106 R)
• M9: 5,402,428 km (0.097 R)
• M10: 6,102,845 km (0.028 R)
• M11: 6,764,816 km (0.118 R)
• M12: 7,448,328 km (0.104 R)
• M13: 8,689,991 km (0.073 R)
• M14: 9,653,999 km (0.112 R)
• M15: 10,357,409 km (0.093 R)
• M16: 10,992,152 km (0.044 R)
• M17: 11,902,904 km (0.108 R)
• M18: 12,525,231 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.7

Radius: 10.4

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.68 AU - 2.58 AU

Year: 2073 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,594,606 km

• M1: 130,300 km (0.061 R)
• M2: 465,249 km (0.106 R)
• M3: 956,678 km (0.116 R)
• M4: 1,326,784 km (0.11 R)
• M5: 1,815,071 km (0.069 R)
• M6: 2,226,166 km (0.109 R)
• M7: 2,742,578 km (0.087 R)
• M8: 3,542,627 km (0.102 R)
• M9: 4,348,960 km (0.105 R)
• M10: 4,785,187 km (0.106 R)
• M11: 5,601,094 km (0.08 R)
• M12: 5,942,476 km (0.052 R)
• M13: 6,454,251 km (0.109 R)
• M14: 7,107,245 km (0.115 R)
• M15: 7,595,832 km (0.099 R)
• M16: 8,292,509 km (0.12 R)
• M17: 9,231,086 km (0.107 R)
• M18: 10,751,001 km (0.074 R)
• M19: 11,826,609 km (0.099 R)
• M20: 12,679,168 km (0.094 R)
• M21: 13,398,883 km (0.091 R)
• M22: 14,966,369 km (0.12 R)
• M23: 16,109,746 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 13.2

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.32 AU - 2.82 AU

Year: 2747 Days

Day: 12 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,594,606 km

• M1: 164,258 km (0.112 R)
• M2: 576,401 km (0.083 R)
• M3: 1,003,353 km (0.118 R)
• M4: 1,555,668 km (0.068 R)
• M5: 2,216,741 km (0.1 R)
• M6: 2,665,684 km (0.12 R)
• M7: 3,102,959 km (0.062 R)
• M8: 4,231,077 km (0.117 R)
• M9: 4,830,814 km (0.114 R)
• M10: 5,422,773 km (0.034 R)
• M11: 5,949,059 km (0.075 R)
• M12: 7,104,552 km (0.079 R)
• M13: 8,433,131 km (0.043 R)
• M14: 9,953,345 km (0.07 R)
• M15: 11,052,440 km (0.096 R)
• M16: 11,792,950 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.5

Radius: 4.9

Gravity: 20.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.68 AU - 11.22 AU

Year: 19372 Days

Day: 22 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,594,606 km

• M1: 62,981 km (0.094 R)
• M2: 224,696 km (0.08 R)
• M3: 382,073 km (0.095 R)
• M4: 1,088,175 km (0.115 R)
• M5: 1,459,776 km (0.079 R)
• M6: 1,911,711 km (0.041 R)
• M7: 2,495,741 km (0.116 R)
• M8: 2,652,969 km (0.11 R)
• M9: 3,037,585 km (0.091 R)
• M10: 3,217,102 km (0.086 R)
• M11: 5,240,862 km (0.098 R)
• M12: 5,806,193 km (0.101 R)
• M13: 6,083,547 km (0.089 R)
• M14: 7,057,280 km (0.099 R)
• M15: 8,680,716 km (0.114 R)
• M16: 9,043,341 km (0.116 R)
• M17: 11,130,530 km (0.118 R)
• M18: 14,721,627 km (0.05 R)
• M19: 16,856,389 km (0.11 R)
• M20: 19,015,685 km (0.093 R)
• M21: 23,176,600 km (0.072 R)
• M22: 24,998,103 km (0.103 R)
• M23: 25,731,582 km (0.12 R)
• M24: 30,317,504 km (0.103 R)
• M25: 32,864,558 km (0.107 R)
• M26: 36,477,646 km (0.075 R)
• M27: 42,527,832 km (0.097 R)
• M28: 42,973,335 km (0.098 R)
• M29: 45,711,574 km (0.052 R)
• M30: 45,867,006 km (0.119 R)
• M31: 49,213,511 km (0.102 R)
• M32: 53,923,749 km (0.035 R)
• M33: 55,853,562 km (0.091 R)
• M34: 57,466,227 km (0.073 R)
• M35: 62,490,322 km (0.12 R)
• M36: 64,033,424 km (0.029 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 12,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit