🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.4

Radius: 10.7

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 8.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,366,725 km

• M1: 134,189 km (0.046 R)
• M2: 495,468 km (0.083 R)
• M3: 955,182 km (0.1 R)
• M4: 1,604,437 km (0.106 R)
• M5: 2,213,899 km (0.034 R)
• M6: 2,555,281 km (0.113 R)
• M7: 2,922,245 km (0.118 R)
• M8: 3,659,014 km (0.102 R)
• M9: 4,028,521 km (0.108 R)
• M10: 4,462,355 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.5

Radius: 12.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.22 AU - 1.76 AU

Year: 1213 Days

Day: 13 Hours

Environment

Temp: -183 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,366,725 km

• M1: 157,975 km (0.119 R)
• M2: 727,794 km (0.115 R)
• M3: 1,322,445 km (0.114 R)
• M4: 1,821,803 km (0.117 R)
• M5: 2,804,511 km (0.115 R)
• M6: 3,962,997 km (0.103 R)
• M7: 5,020,056 km (0.072 R)
• M8: 5,816,365 km (0.101 R)
• M9: 8,492,821 km (0.052 R)
• M10: 9,236,173 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.1

Radius: 14.5

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.82 AU - 4.24 AU

Year: 5395 Days

Day: 6.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,366,725 km

• M1: 185,352 km (0.077 R)
• M2: 735,274 km (0.113 R)
• M3: 1,294,171 km (0.114 R)
• M4: 1,809,536 km (0.068 R)
• M5: 2,383,393 km (0.068 R)
• M6: 3,059,276 km (0.082 R)
• M7: 3,516,148 km (0.036 R)
• M8: 5,144,372 km (0.113 R)
• M9: 5,678,735 km (0.078 R)
• M10: 6,826,899 km (0.068 R)
• M11: 7,439,053 km (0.096 R)
• M12: 9,131,155 km (0.12 R)
• M13: 9,706,807 km (0.118 R)
• M14: 13,421,622 km (0.107 R)
• M15: 14,939,741 km (0.086 R)
• M16: 15,857,075 km (0.1 R)
• M17: 16,811,809 km (0.119 R)
• M18: 18,639,446 km (0.11 R)
• M19: 19,906,689 km (0.101 R)
• M20: 22,096,653 km (0.08 R)
• M21: 22,836,115 km (0.116 R)
• M22: 25,635,989 km (0.032 R)
• M23: 26,535,222 km (0.085 R)
• M24: 28,052,144 km (0.116 R)
• M25: 29,094,991 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.8

Radius: 8.9

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.15 AU - 5.29 AU

Year: 7953 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 38,366,725 km

• M1: 110,702 km (0.074 R)
• M2: 450,439 km (0.046 R)
• M3: 867,668 km (0.116 R)
• M4: 1,222,514 km (0.058 R)
• M5: 1,507,498 km (0.095 R)
• M6: 2,028,547 km (0.12 R)
• M7: 2,322,657 km (0.095 R)
• M8: 2,849,241 km (0.113 R)
• M9: 4,976,672 km (0.098 R)
• M10: 5,257,916 km (0.062 R)
• M11: 5,955,790 km (0.093 R)
• M12: 6,454,550 km (0.086 R)
• M13: 7,658,065 km (0.106 R)
• M14: 9,143,272 km (0.094 R)
• M15: 11,338,471 km (0.09 R)
• M16: 13,022,943 km (0.043 R)
• M17: 13,559,252 km (0.088 R)
• M18: 14,172,304 km (0.113 R)
• M19: 14,612,271 km (0.102 R)
• M20: 17,806,784 km (0.107 R)
• M21: 18,542,058 km (0.09 R)
• M22: 18,992,796 km (0.103 R)
• M23: 19,373,971 km (0.059 R)
• M24: 23,124,240 km (0.118 R)
• M25: 24,265,971 km (0.114 R)
• M26: 25,078,138 km (0.111 R)
• M27: 25,815,057 km (0.111 R)
• M28: 26,377,246 km (0.086 R)
• M29: 29,311,309 km (0.083 R)
• M30: 29,923,164 km (0.08 R)
• M31: 31,596,566 km (0.076 R)
• M32: 43,755,582 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.8

Radius: 5.1

Gravity: 25.71 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.51 AU - 6.21 AU

Year: 9460 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,366,725 km

• M1: 63,429 km (0.048 R)
• M2: 348,413 km (0.118 R)
• M3: 769,831 km (0.099 R)
• M4: 1,057,208 km (0.118 R)
• M5: 1,361,789 km (0.106 R)
• M6: 2,970,116 km (0.077 R)
• M7: 3,626,103 km (0.065 R)
• M8: 4,150,443 km (0.051 R)
• M9: 4,814,359 km (0.079 R)
• M10: 6,799,223 km (0.104 R)
• M11: 9,605,679 km (0.112 R)
• M12: 9,997,027 km (0.086 R)
• M13: 10,969,264 km (0.115 R)
• M14: 12,115,483 km (0.11 R)
• M15: 12,399,569 km (0.118 R)
• M16: 13,949,852 km (0.054 R)
• M17: 14,262,212 km (0.08 R)
• M18: 14,965,621 km (0.097 R)
• M19: 16,097,778 km (0.088 R)
• M20: 17,214,526 km (0.114 R)
• M21: 18,085,186 km (0.075 R)
• M22: 19,061,162 km (0.072 R)
• M23: 23,229,857 km (0.089 R)
• M24: 25,758,360 km (0.108 R)
• M25: 28,464,286 km (0.073 R)
• M26: 28,664,598 km (0.083 R)
• M27: 30,824,192 km (0.113 R)
• M28: 33,533,709 km (0.035 R)
• M29: 36,515,643 km (0.119 R)
• M30: 39,794,380 km (0.107 R)
• M31: 41,827,265 km (0.109 R)
• M32: 42,869,065 km (0.052 R)
• M33: 44,061,659 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.3

Radius: 3.2

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.54 AU - 8.16 AU

Year: 14667 Days

Day: 19.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,366,725 km

• M1: 39,943 km (0.037 R)
• M2: 156,629 km (0.116 R)
• M3: 328,367 km (0.042 R)
• M4: 482,154 km (0.053 R)
• M5: 1,159,683 km (0.089 R)
• M6: 1,981,125 km (0.119 R)
• M7: 5,745,755 km (0.076 R)
• M8: 6,879,408 km (0.08 R)
• M9: 14,108,126 km (0.113 R)
• M10: 17,064,480 km (0.066 R)
• M11: 23,827,350 km (0.068 R)
• M12: 25,104,467 km (0.069 R)
• M13: 25,278,151 km (0.06 R)
• M14: 32,693,268 km (0.074 R)
• M15: 36,223,329 km (0.117 R)
• M16: 37,003,482 km (0.066 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: 391 - 14,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit