🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 9.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.07 AU - 1.67 AU

Year: 1069 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,422,861 km

• M1: 119,379 km (0.113 R)
• M2: 432,039 km (0.092 R)
• M3: 828,922 km (0.087 R)
• M4: 1,158,935 km (0.1 R)
• M5: 1,741,768 km (0.1 R)
• M6: 2,630,679 km (0.071 R)
• M7: 3,385,849 km (0.111 R)
• M8: 3,820,580 km (0.115 R)
• M9: 4,412,688 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838

Radius: 15

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.84 AU - 2.76 AU

Year: 2326 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,422,861 km

• M1: 186,549 km (0.071 R)
• M2: 753,076 km (0.115 R)
• M3: 1,397,244 km (0.081 R)
• M4: 2,080,158 km (0.074 R)
• M5: 2,601,357 km (0.087 R)
• M6: 3,160,255 km (0.076 R)
• M7: 3,705,539 km (0.104 R)
• M8: 4,965,303 km (0.053 R)
• M9: 5,484,557 km (0.112 R)
• M10: 6,605,195 km (0.113 R)
• M11: 9,871,664 km (0.091 R)
• M12: 11,937,910 km (0.092 R)
• M13: 12,571,906 km (0.063 R)
• M14: 13,678,481 km (0.08 R)
• M15: 14,993,746 km (0.078 R)
• M16: 18,762,715 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 12.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.52 AU - 5.32 AU

Year: 7277 Days

Day: 12.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,422,861 km

• M1: 154,535 km (0.117 R)
• M2: 575,204 km (0.093 R)
• M3: 968,048 km (0.079 R)
• M4: 1,368,970 km (0.11 R)
• M5: 2,024,807 km (0.109 R)
• M6: 2,509,803 km (0.1 R)
• M7: 3,210,670 km (0.042 R)
• M8: 4,402,217 km (0.04 R)
• M9: 5,338,101 km (0.05 R)
• M10: 5,869,024 km (0.099 R)
• M11: 6,338,013 km (0.114 R)
• M12: 6,798,326 km (0.11 R)
• M13: 8,047,767 km (0.1 R)
• M14: 9,071,016 km (0.117 R)
• M15: 9,828,879 km (0.1 R)
• M16: 10,223,518 km (0.093 R)
• M17: 11,810,602 km (0.056 R)
• M18: 12,611,998 km (0.097 R)
• M19: 13,236,420 km (0.094 R)
• M20: 18,070,675 km (0.103 R)
• M21: 19,890,234 km (0.088 R)
• M22: 20,310,604 km (0.087 R)
• M23: 21,024,485 km (0.068 R)
• M24: 23,499,432 km (0.104 R)
• M25: 24,206,880 km (0.108 R)
• M26: 25,253,617 km (0.084 R)
• M27: 25,829,718 km (0.118 R)
• M28: 27,697,298 km (0.105 R)
• M29: 30,758,369 km (0.046 R)
• M30: 31,890,526 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.4

Radius: 7.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.57 AU - 7.03 AU

Year: 9315 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,422,861 km

• M1: 95,743 km (0.109 R)
• M2: 474,225 km (0.112 R)
• M3: 781,649 km (0.113 R)
• M4: 1,056,161 km (0.12 R)
• M5: 1,406,818 km (0.059 R)
• M6: 2,108,582 km (0.049 R)
• M7: 2,377,709 km (0.063 R)
• M8: 2,634,119 km (0.113 R)
• M9: 3,183,143 km (0.06 R)
• M10: 3,851,846 km (0.094 R)
• M11: 4,281,192 km (0.119 R)
• M12: 4,821,988 km (0.113 R)
• M13: 5,583,292 km (0.118 R)
• M14: 5,823,546 km (0.11 R)
• M15: 7,414,070 km (0.093 R)
• M16: 8,823,133 km (0.103 R)
• M17: 11,765,723 km (0.08 R)
• M18: 13,138,433 km (0.09 R)
• M19: 13,457,376 km (0.086 R)
• M20: 15,896,719 km (0.119 R)
• M21: 20,332,146 km (0.028 R)
• M22: 23,061,260 km (0.094 R)
• M23: 23,917,558 km (0.115 R)
• M24: 24,313,693 km (0.115 R)
• M25: 28,254,251 km (0.111 R)
• M26: 30,514,226 km (0.112 R)
• M27: 31,168,118 km (0.1 R)
• M28: 31,640,698 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.2

Radius: 4.9

Gravity: 23.92 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 6.1 AU - 10.16 AU

Year: 15458 Days

Day: 21.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,422,861 km

• M1: 60,886 km (0.068 R)
• M2: 241,152 km (0.078 R)
• M3: 418,874 km (0.081 R)
• M4: 703,708 km (0.07 R)
• M5: 864,526 km (0.113 R)
• M6: 1,146,518 km (0.096 R)
• M7: 1,579,305 km (0.059 R)
• M8: 1,773,632 km (0.083 R)
• M9: 2,648,929 km (0.117 R)
• M10: 3,641,511 km (0.11 R)
• M11: 4,100,627 km (0.081 R)
• M12: 4,406,405 km (0.071 R)
• M13: 5,098,295 km (0.059 R)
• M14: 6,169,267 km (0.06 R)
• M15: 7,697,110 km (0.099 R)
• M16: 8,162,509 km (0.09 R)
• M17: 8,745,641 km (0.043 R)
• M18: 9,200,867 km (0.052 R)
• M19: 10,661,391 km (0.108 R)
• M20: 11,298,529 km (0.116 R)
• M21: 11,536,240 km (0.08 R)
• M22: 11,716,804 km (0.093 R)
• M23: 15,298,477 km (0.085 R)
• M24: 17,101,131 km (0.092 R)
• M25: 19,890,383 km (0.102 R)
• M26: 20,943,104 km (0.115 R)
• M27: 21,301,989 km (0.05 R)
• M28: 23,833,484 km (0.082 R)
• M29: 24,620,369 km (0.079 R)
• M30: 27,084,844 km (0.101 R)
• M31: 27,725,721 km (0.051 R)
• M32: 30,966,310 km (0.098 R)
• M33: 31,432,158 km (0.076 R)
• M34: 35,076,512 km (0.119 R)
• M35: 43,335,511 km (0.112 R)
• M36: 53,132,227 km (0.087 R)
• M37: 58,807,671 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 20,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit