🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.5

Radius: 8.4

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.56 AU - 0.58 AU

Year: 287 Days

Day: 9.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,248,337 km

• M1: 104,419 km (0.089 R)
• M2: 403,914 km (0.09 R)
• M3: 766,839 km (0.096 R)
• M4: 1,368,222 km (0.085 R)
• M5: 1,729,950 km (0.034 R)
• M6: 2,026,602 km (0.054 R)
• M7: 3,013,200 km (0.085 R)
• M8: 3,389,888 km (0.096 R)
• M9: 4,614,197 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.7

Radius: 10.8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.5 AU - 0.68 AU

Year: 302 Days

Day: 11.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,248,337 km

• M1: 134,339 km (0.117 R)
• M2: 505,491 km (0.079 R)
• M3: 888,013 km (0.091 R)
• M4: 1,230,143 km (0.107 R)
• M5: 1,616,255 km (0.108 R)
• M6: 2,372,173 km (0.082 R)
• M7: 3,360,267 km (0.068 R)
• M8: 3,856,633 km (0.085 R)
• M9: 4,296,301 km (0.062 R)
• M10: 4,644,565 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.8

Radius: 10

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.21 AU - 1.49 AU

Year: 1046 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,248,337 km

• M1: 124,316 km (0.1 R)
• M2: 435,779 km (0.102 R)
• M3: 828,174 km (0.047 R)
• M4: 1,151,305 km (0.07 R)
• M5: 1,630,467 km (0.107 R)
• M6: 1,973,046 km (0.103 R)
• M7: 2,846,249 km (0.115 R)
• M8: 3,467,828 km (0.108 R)
• M9: 3,908,843 km (0.11 R)
• M10: 4,846,672 km (0.1 R)
• M11: 5,177,433 km (0.063 R)
• M12: 6,037,770 km (0.106 R)
• M13: 6,537,277 km (0.105 R)
• M14: 8,730,532 km (0.069 R)
• M15: 10,228,605 km (0.109 R)
• M16: 10,939,344 km (0.105 R)
• M17: 11,510,808 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 11.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.52 AU - 2.36 AU

Year: 1802 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,248,337 km

• M1: 145,559 km (0.116 R)
• M2: 571,314 km (0.09 R)
• M3: 1,043,894 km (0.084 R)
• M4: 1,456,186 km (0.112 R)
• M5: 2,266,707 km (0.091 R)
• M6: 2,887,688 km (0.102 R)
• M7: 4,549,122 km (0.052 R)
• M8: 5,318,503 km (0.1 R)
• M9: 5,980,474 km (0.117 R)
• M10: 7,806,017 km (0.111 R)
• M11: 8,300,438 km (0.099 R)
• M12: 9,910,261 km (0.115 R)
• M13: 13,407,560 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.6

Radius: 11.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.12 AU - 3.4 AU

Year: 3058 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,248,337 km

• M1: 208,689 km (0.082 R)
• M2: 717,621 km (0.106 R)
• M3: 1,090,419 km (0.1 R)
• M4: 1,560,904 km (0.096 R)
• M5: 2,187,570 km (0.032 R)
• M6: 3,777,197 km (0.064 R)
• M7: 4,363,471 km (0.063 R)
• M8: 6,006,504 km (0.065 R)
• M9: 6,856,070 km (0.098 R)
• M10: 7,258,489 km (0.113 R)
• M11: 8,590,359 km (0.082 R)
• M12: 9,118,589 km (0.083 R)
• M13: 10,110,871 km (0.117 R)
• M14: 12,054,896 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 10

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.85 AU - 3.59 AU

Year: 3853 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,248,337 km

• M1: 127,457 km (0.025 R)
• M2: 492,626 km (0.051 R)
• M3: 838,496 km (0.061 R)
• M4: 1,163,273 km (0.068 R)
• M5: 1,688,511 km (0.085 R)
• M6: 2,136,108 km (0.069 R)
• M7: 3,179,404 km (0.109 R)
• M8: 3,600,671 km (0.072 R)
• M9: 4,325,174 km (0.09 R)
• M10: 4,843,829 km (0.108 R)
• M11: 5,324,637 km (0.096 R)
• M12: 5,754,132 km (0.066 R)
• M13: 6,264,710 km (0.07 R)
• M14: 7,843,117 km (0.086 R)
• M15: 9,399,533 km (0.069 R)
• M16: 10,230,250 km (0.052 R)
• M17: 10,559,366 km (0.118 R)
• M18: 11,992,214 km (0.093 R)
• M19: 14,048,586 km (0.079 R)
• M20: 14,661,938 km (0.031 R)
• M21: 15,239,984 km (0.09 R)
• M22: 16,162,853 km (0.053 R)
• M23: 16,893,489 km (0.04 R)
• M24: 17,238,013 km (0.104 R)
• M25: 18,360,296 km (0.108 R)
• M26: 18,970,057 km (0.043 R)
• M27: 20,230,270 km (0.096 R)
• M28: 21,747,491 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.8

Radius: 13.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.24 AU - 3.8 AU

Year: 4404 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,248,337 km

• M1: 169,046 km (0.089 R)
• M2: 609,163 km (0.047 R)
• M3: 1,038,209 km (0.105 R)
• M4: 1,526,796 km (0.065 R)
• M5: 2,790,898 km (0.106 R)
• M6: 4,513,218 km (0.056 R)
• M7: 5,763,707 km (0.118 R)
• M8: 7,302,620 km (0.09 R)
• M9: 7,835,787 km (0.089 R)
• M10: 8,703,754 km (0.106 R)
• M11: 9,593,113 km (0.115 R)
• M12: 10,321,056 km (0.084 R)
• M13: 10,902,394 km (0.073 R)
• M14: 12,778,650 km (0.106 R)
• M15: 13,766,894 km (0.063 R)
• M16: 14,198,035 km (0.102 R)
• M17: 17,100,383 km (0.099 R)
• M18: 17,598,993 km (0.119 R)
• M19: 18,494,934 km (0.066 R)
• M20: 19,286,905 km (0.075 R)
• M21: 22,533,778 km (0.054 R)
• M22: 27,976,597 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 11.8

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.57 AU - 5.17 AU

Year: 6092 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,248,337 km

• M1: 146,756 km (0.109 R)
• M2: 585,227 km (0.034 R)
• M3: 1,657,544 km (0.075 R)
• M4: 2,425,430 km (0.109 R)
• M5: 3,014,995 km (0.104 R)
• M6: 3,948,037 km (0.093 R)
• M7: 4,381,572 km (0.072 R)
• M8: 5,518,815 km (0.062 R)
• M9: 6,412,363 km (0.086 R)
• M10: 8,214,868 km (0.089 R)
• M11: 8,604,570 km (0.114 R)
• M12: 9,505,598 km (0.05 R)
• M13: 11,835,735 km (0.117 R)
• M14: 12,333,746 km (0.042 R)
• M15: 13,002,149 km (0.086 R)
• M16: 15,152,918 km (0.045 R)
• M17: 15,979,745 km (0.046 R)
• M18: 16,774,409 km (0.095 R)
• M19: 21,807,929 km (0.094 R)
• M20: 24,990,175 km (0.113 R)
• M21: 26,227,947 km (0.1 R)
• M22: 26,734,336 km (0.084 R)
• M23: 27,506,261 km (0.111 R)
• M24: 28,116,770 km (0.061 R)
• M25: 28,558,383 km (0.101 R)
• M26: 29,637,283 km (0.1 R)
• M27: 30,649,911 km (0.119 R)
• M28: 32,067,650 km (0.086 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 13.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.48 AU - 4.78 AU

Year: 6644 Days

Day: 12.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,248,337 km

• M1: 163,361 km (0.091 R)
• M2: 678,277 km (0.104 R)
• M3: 2,393,267 km (0.11 R)
• M4: 3,963,596 km (0.083 R)
• M5: 9,800,306 km (0.063 R)
• M6: 15,314,783 km (0.111 R)
• M7: 18,277,120 km (0.116 R)
• M8: 20,110,741 km (0.11 R)
• M9: 21,298,398 km (0.073 R)
• M10: 24,554,845 km (0.056 R)
• M11: 25,653,192 km (0.081 R)
• M12: 28,404,297 km (0.118 R)
• M13: 32,941,900 km (0.067 R)
• M14: 34,590,917 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484

Radius: 5.7

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.63 AU - 7.83 AU

Year: 11643 Days

Day: 15.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,248,337 km

• M1: 70,909 km (0.12 R)
• M2: 302,636 km (0.096 R)
• M3: 526,734 km (0.113 R)
• M4: 1,616,854 km (0.059 R)
• M5: 1,892,563 km (0.091 R)
• M6: 3,298,633 km (0.037 R)
• M7: 3,874,435 km (0.106 R)
• M8: 4,485,543 km (0.111 R)
• M9: 4,937,777 km (0.032 R)
• M10: 8,400,519 km (0.1 R)
• M11: 10,569,987 km (0.064 R)
• M12: 11,098,367 km (0.098 R)
• M13: 12,207,785 km (0.118 R)
• M14: 12,730,330 km (0.099 R)
• M15: 15,434,760 km (0.039 R)
• M16: 16,813,903 km (0.094 R)
• M17: 24,045,015 km (0.093 R)
• M18: 24,589,851 km (0.064 R)
• M19: 25,798,602 km (0.094 R)
• M20: 26,658,191 km (0.071 R)
• M21: 30,499,116 km (0.05 R)
• M22: 31,244,562 km (0.053 R)
• M23: 31,784,611 km (0.117 R)
• M24: 32,883,108 km (0.12 R)
• M25: 42,466,048 km (0.119 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: 313 - 11,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit