🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.4

Radius: 8.7

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.71 AU - 0.75 AU

Year: 409 Days

Day: 7.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,947,823 km

• M1: 108,309 km (0.102 R)
• M2: 495,917 km (0.093 R)
• M3: 972,685 km (0.061 R)
• M4: 1,316,910 km (0.062 R)
• M5: 1,590,824 km (0.082 R)
• M6: 1,863,989 km (0.089 R)
• M7: 2,212,553 km (0.087 R)
• M8: 3,198,702 km (0.112 R)
• M9: 3,828,808 km (0.108 R)
• M10: 4,396,233 km (0.075 R)
• M11: 5,530,932 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.8

Radius: 11.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.6 AU - 0.92 AU

Year: 435 Days

Day: 5.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,947,823 km

• M1: 145,559 km (0.085 R)
• M2: 582,085 km (0.075 R)
• M3: 1,196,783 km (0.116 R)
• M4: 1,608,626 km (0.037 R)
• M5: 2,200,884 km (0.108 R)
• M6: 2,851,186 km (0.061 R)
• M7: 3,862,617 km (0.086 R)
• M8: 4,694,531 km (0.099 R)
• M9: 5,254,924 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52

Radius: 11.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.85 AU - 1.25 AU

Year: 706 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,947,823 km

• M1: 145,559 km (0.106 R)
• M2: 722,408 km (0.092 R)
• M3: 2,071,931 km (0.025 R)
• M4: 2,606,892 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 13.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.96 AU - 1.32 AU

Year: 798 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,947,823 km

• M1: 171,738 km (0.086 R)
• M2: 657,483 km (0.069 R)
• M3: 1,097,151 km (0.114 R)
• M4: 1,532,331 km (0.096 R)
• M5: 2,495,891 km (0.081 R)
• M6: 3,170,128 km (0.08 R)
• M7: 3,846,460 km (0.098 R)
• M8: 5,342,888 km (0.079 R)
• M9: 5,790,934 km (0.112 R)
• M10: 6,677,899 km (0.032 R)
• M11: 7,446,533 km (0.092 R)
• M12: 8,031,162 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.8

Radius: 12.4

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.21 AU - 1.23 AU

Year: 884 Days

Day: 10.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,947,823 km

• M1: 154,385 km (0.094 R)
• M2: 591,360 km (0.083 R)
• M3: 1,196,633 km (0.1 R)
• M4: 1,873,564 km (0.088 R)
• M5: 2,641,599 km (0.08 R)
• M6: 3,089,944 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243

Radius: 11.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.21 AU - 3.51 AU

Year: 3173 Days

Day: 7.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,947,823 km

• M1: 148,401 km (0.075 R)
• M2: 689,796 km (0.119 R)
• M3: 1,133,802 km (0.11 R)
• M4: 1,771,538 km (0.081 R)
• M5: 2,968,321 km (0.104 R)
• M6: 3,576,436 km (0.096 R)
• M7: 4,095,391 km (0.111 R)
• M8: 4,851,010 km (0.098 R)
• M9: 6,561,811 km (0.112 R)
• M10: 7,454,911 km (0.116 R)
• M11: 8,458,114 km (0.11 R)
• M12: 9,582,641 km (0.075 R)
• M13: 10,516,132 km (0.109 R)
• M14: 11,358,368 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.1

Radius: 5.1

Gravity: 20.84 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.39 AU - 9.39 AU

Year: 14539 Days

Day: 16 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,947,823 km

• M1: 66,122 km (0.084 R)
• M2: 287,677 km (0.085 R)
• M3: 545,883 km (0.072 R)
• M4: 791,672 km (0.025 R)
• M5: 1,365,380 km (0.109 R)
• M6: 1,598,004 km (0.091 R)
• M7: 2,277,628 km (0.105 R)
• M8: 2,649,378 km (0.086 R)
• M9: 3,281,728 km (0.093 R)
• M10: 4,519,651 km (0.092 R)
• M11: 4,971,287 km (0.082 R)
• M12: 5,417,238 km (0.117 R)
• M13: 6,998,787 km (0.092 R)
• M14: 7,602,863 km (0.112 R)
• M15: 8,055,097 km (0.069 R)
• M16: 13,219,665 km (0.098 R)
• M17: 13,543,694 km (0.107 R)
• M18: 14,073,270 km (0.117 R)
• M19: 22,083,189 km (0.094 R)
• M20: 29,602,427 km (0.083 R)
• M21: 31,631,273 km (0.094 R)
• M22: 37,490,573 km (0.099 R)
• M23: 43,461,173 km (0.106 R)
• M24: 43,889,921 km (0.094 R)
• M25: 52,419,543 km (0.108 R)
• M26: 56,220,825 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98

Radius: 3.8

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.2 AU - 9.12 AU

Year: 16718 Days

Day: 20.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,947,823 km

• M1: 48,171 km (0.105 R)
• M2: 289,173 km (0.103 R)
• M3: 660,026 km (0.088 R)
• M4: 1,291,778 km (0.116 R)
• M5: 2,155,257 km (0.099 R)
• M6: 2,495,592 km (0.11 R)
• M7: 3,134,075 km (0.072 R)
• M8: 3,303,869 km (0.119 R)
• M9: 3,457,506 km (0.119 R)
• M10: 3,874,734 km (0.087 R)
• M11: 4,247,233 km (0.072 R)
• M12: 5,150,355 km (0.105 R)
• M13: 7,934,372 km (0.1 R)
• M14: 8,170,587 km (0.085 R)
• M15: 9,598,648 km (0.056 R)
• M16: 13,542,048 km (0.115 R)
• M17: 14,688,267 km (0.107 R)
• M18: 18,581,552 km (0.054 R)
• M19: 18,719,630 km (0.11 R)
• M20: 19,993,905 km (0.113 R)
• M21: 27,777,931 km (0.032 R)
• M22: 28,781,134 km (0.113 R)
• M23: 30,283,396 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.3

Radius: 7.4

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.77 AU - 11.47 AU

Year: 19574 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,947,823 km

• M1: 146,456 km (0.081 R)
• M2: 455,974 km (0.072 R)
• M3: 880,383 km (0.053 R)
• M4: 1,295,368 km (0.066 R)
• M5: 1,665,174 km (0.105 R)
• M6: 2,175,153 km (0.077 R)
• M7: 2,576,674 km (0.101 R)
• M8: 4,028,371 km (0.091 R)
• M9: 4,944,808 km (0.042 R)
• M10: 5,537,066 km (0.111 R)
• M11: 5,850,474 km (0.052 R)
• M12: 6,901,847 km (0.051 R)
• M13: 7,812,450 km (0.076 R)
• M14: 11,408,334 km (0.09 R)
• M15: 21,209,238 km (0.12 R)
• M16: 29,853,302 km (0.088 R)
• M17: 30,172,544 km (0.098 R)
• M18: 37,910,195 km (0.109 R)
• M19: 40,844,108 km (0.045 R)
• M20: 41,369,496 km (0.071 R)
• M21: 42,567,775 km (0.096 R)
• M22: 44,063,604 km (0.088 R)
• M23: 44,477,541 km (0.118 R)
• M24: 48,613,773 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 11,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit