🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403

Radius: 10.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 277 Days

Day: 13.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,876,447 km

• M1: 125,662 km (0.097 R)
• M2: 482,304 km (0.108 R)
• M3: 1,091,017 km (0.098 R)
• M4: 1,433,447 km (0.09 R)
• M5: 2,039,468 km (0.107 R)
• M6: 2,454,153 km (0.094 R)
• M7: 2,808,401 km (0.072 R)
• M8: 3,314,191 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 10

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.88 AU - 1.18 AU

Year: 709 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,876,447 km

• M1: 126,859 km (0.111 R)
• M2: 460,163 km (0.099 R)
• M3: 822,639 km (0.085 R)
• M4: 1,280,558 km (0.118 R)
• M5: 1,655,300 km (0.103 R)
• M6: 2,020,319 km (0.092 R)
• M7: 2,367,237 km (0.076 R)
• M8: 2,697,698 km (0.081 R)
• M9: 3,233,109 km (0.064 R)
• M10: 4,026,427 km (0.118 R)
• M11: 4,453,379 km (0.098 R)
• M12: 4,910,401 km (0.102 R)
• M13: 5,416,640 km (0.067 R)
• M14: 5,842,395 km (0.118 R)
• M15: 6,574,527 km (0.082 R)
• M16: 7,478,398 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.2

Radius: 13

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1 AU - 1.24 AU

Year: 804 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,876,447 km

• M1: 161,715 km (0.092 R)
• M2: 857,645 km (0.035 R)
• M3: 1,287,290 km (0.085 R)
• M4: 1,934,300 km (0.117 R)
• M5: 2,623,647 km (0.083 R)
• M6: 3,063,166 km (0.087 R)
• M7: 3,975,115 km (0.038 R)
• M8: 4,527,131 km (0.096 R)
• M9: 5,433,095 km (0.106 R)
• M10: 6,354,618 km (0.111 R)
• M11: 6,810,593 km (0.095 R)
• M12: 8,094,890 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 10.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.11 AU - 1.15 AU

Year: 815 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,876,447 km

• M1: 133,142 km (0.067 R)
• M2: 548,725 km (0.039 R)
• M3: 965,953 km (0.083 R)
• M4: 1,920,837 km (0.083 R)
• M5: 2,381,000 km (0.092 R)
• M6: 2,750,806 km (0.12 R)
• M7: 3,096,526 km (0.053 R)
• M8: 3,862,168 km (0.112 R)
• M9: 5,214,683 km (0.116 R)
• M10: 6,018,622 km (0.072 R)
• M11: 6,711,110 km (0.117 R)
• M12: 7,365,601 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 8.3

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.17 AU - 1.41 AU

Year: 994 Days

Day: 14.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,876,447 km

• M1: 103,223 km (0.109 R)
• M2: 802,293 km (0.087 R)
• M3: 1,379,592 km (0.117 R)
• M4: 1,778,719 km (0.117 R)
• M5: 2,253,542 km (0.106 R)
• M6: 2,900,852 km (0.049 R)
• M7: 3,759,245 km (0.058 R)
• M8: 4,031,064 km (0.077 R)
• M9: 4,402,217 km (0.064 R)
• M10: 4,795,958 km (0.105 R)
• M11: 6,985,173 km (0.103 R)
• M12: 7,749,170 km (0.045 R)
• M13: 8,111,945 km (0.08 R)
• M14: 9,737,176 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.1

Radius: 7.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.64 AU - 6.7 AU

Year: 11684 Days

Day: 21.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,876,447 km

• M1: 127,457 km (0.101 R)
• M2: 578,794 km (0.118 R)
• M3: 1,275,621 km (0.099 R)
• M4: 2,188,467 km (0.089 R)
• M5: 4,024,931 km (0.042 R)
• M6: 4,817,051 km (0.091 R)
• M7: 6,396,356 km (0.111 R)
• M8: 6,672,215 km (0.09 R)
• M9: 8,092,796 km (0.099 R)
• M10: 8,663,811 km (0.101 R)
• M11: 10,778,078 km (0.056 R)
• M12: 12,400,467 km (0.115 R)
• M13: 16,249,171 km (0.113 R)
• M14: 16,829,012 km (0.106 R)
• M15: 17,758,314 km (0.043 R)
• M16: 22,288,437 km (0.096 R)
• M17: 23,735,348 km (0.07 R)
• M18: 24,987,931 km (0.104 R)
• M19: 26,108,718 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.1

Radius: 5.1

Gravity: 32.38 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.46 AU - 9.14 AU

Year: 14775 Days

Day: 16.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,876,447 km

• M1: 63,429 km (0.106 R)
• M2: 301,739 km (0.109 R)
• M3: 505,641 km (0.095 R)
• M4: 791,522 km (0.033 R)
• M5: 983,307 km (0.086 R)
• M6: 1,358,797 km (0.082 R)
• M7: 1,789,340 km (0.09 R)
• M8: 2,454,901 km (0.119 R)
• M9: 2,965,778 km (0.075 R)
• M10: 3,220,244 km (0.087 R)
• M11: 4,785,486 km (0.091 R)
• M12: 5,244,453 km (0.11 R)
• M13: 10,027,096 km (0.118 R)
• M14: 10,717,939 km (0.108 R)
• M15: 10,955,052 km (0.104 R)
• M16: 11,440,048 km (0.081 R)
• M17: 13,592,463 km (0.063 R)
• M18: 15,847,052 km (0.064 R)
• M19: 20,804,127 km (0.105 R)
• M20: 23,881,505 km (0.075 R)
• M21: 28,589,799 km (0.09 R)
• M22: 31,160,339 km (0.117 R)
• M23: 32,749,517 km (0.089 R)
• M24: 33,249,174 km (0.118 R)
• M25: 33,753,917 km (0.065 R)
• M26: 35,429,563 km (0.08 R)
• M27: 37,431,033 km (0.116 R)
• M28: 44,492,501 km (0.116 R)
• M29: 46,035,005 km (0.101 R)
• M30: 46,347,814 km (0.091 R)
• M31: 51,210,343 km (0.109 R)
• M32: 59,494,176 km (0.113 R)
• M33: 65,420,346 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.1

Radius: 5.1

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 7.09 AU - 9.65 AU

Year: 16424 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,876,447 km

• M1: 69,713 km (0.038 R)
• M2: 450,140 km (0.084 R)
• M3: 823,237 km (0.07 R)
• M4: 1,000,959 km (0.075 R)
• M5: 1,241,064 km (0.109 R)
• M6: 1,449,155 km (0.075 R)
• M7: 3,018,287 km (0.105 R)
• M8: 3,372,534 km (0.071 R)
• M9: 4,192,032 km (0.039 R)
• M10: 5,268,239 km (0.086 R)
• M11: 6,365,090 km (0.098 R)
• M12: 7,067,602 km (0.06 R)
• M13: 7,271,504 km (0.107 R)
• M14: 7,563,668 km (0.067 R)
• M15: 8,127,054 km (0.106 R)
• M16: 10,242,069 km (0.071 R)
• M17: 10,556,224 km (0.063 R)
• M18: 11,425,687 km (0.093 R)
• M19: 12,283,332 km (0.1 R)
• M20: 13,806,537 km (0.095 R)
• M21: 16,004,279 km (0.107 R)
• M22: 16,214,913 km (0.094 R)
• M23: 17,667,060 km (0.052 R)
• M24: 18,967,664 km (0.107 R)
• M25: 20,495,357 km (0.12 R)
• M26: 23,976,051 km (0.078 R)
• M27: 24,810,208 km (0.074 R)
• M28: 28,959,605 km (0.108 R)
• M29: 31,747,361 km (0.055 R)
• M30: 43,449,804 km (0.055 R)
• M31: 47,090,717 km (0.032 R)
• M32: 49,578,230 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 13,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit