🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657

Radius: 10.6

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.63 AU - 0.67 AU

Year: 355 Days

Day: 10.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,813,999 km

• M1: 131,796 km (0.1 R)
• M2: 485,146 km (0.039 R)
• M3: 894,146 km (0.098 R)
• M4: 1,267,393 km (0.08 R)
• M5: 2,132,817 km (0.112 R)
• M6: 2,540,022 km (0.097 R)
• M7: 2,988,666 km (0.052 R)
• M8: 3,559,233 km (0.048 R)
• M9: 3,945,494 km (0.043 R)
• M10: 4,536,256 km (0.108 R)
• M11: 4,918,479 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.1

Radius: 13.1

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.91 AU - 1.15 AU

Year: 709 Days

Day: 10.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,813,999 km

• M1: 164,558 km (0.085 R)
• M2: 714,779 km (0.053 R)
• M3: 1,159,533 km (0.088 R)
• M4: 1,652,907 km (0.102 R)
• M5: 2,175,751 km (0.079 R)
• M6: 2,820,369 km (0.026 R)
• M7: 3,247,770 km (0.104 R)
• M8: 4,203,850 km (0.109 R)
• M9: 6,735,046 km (0.098 R)
• M10: 7,841,172 km (0.11 R)
• M11: 8,260,794 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.2

Radius: 9

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.68 AU - 1.96 AU

Year: 1665 Days

Day: 9.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,813,999 km

• M1: 126,111 km (0.041 R)
• M2: 431,739 km (0.083 R)
• M3: 783,893 km (0.08 R)
• M4: 1,180,178 km (0.064 R)
• M5: 1,659,190 km (0.098 R)
• M6: 2,010,296 km (0.088 R)
• M7: 2,590,886 km (0.076 R)
• M8: 3,534,250 km (0.062 R)
• M9: 5,099,343 km (0.117 R)
• M10: 5,964,617 km (0.119 R)
• M11: 7,213,161 km (0.092 R)
• M12: 9,689,753 km (0.075 R)
• M13: 10,662,439 km (0.056 R)
• M14: 13,888,218 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 9.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.1 AU - 3.2 AU

Year: 2926 Days

Day: 8.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,813,999 km

• M1: 119,379 km (0.114 R)
• M2: 449,093 km (0.064 R)
• M3: 780,302 km (0.11 R)
• M4: 1,200,224 km (0.059 R)
• M5: 1,501,364 km (0.046 R)
• M6: 1,864,588 km (0.104 R)
• M7: 2,274,037 km (0.084 R)
• M8: 2,616,467 km (0.113 R)
• M9: 3,439,554 km (0.091 R)
• M10: 5,072,415 km (0.107 R)
• M11: 5,638,194 km (0.084 R)
• M12: 6,120,498 km (0.12 R)
• M13: 6,604,148 km (0.109 R)
• M14: 7,003,724 km (0.115 R)
• M15: 7,504,577 km (0.119 R)
• M16: 8,239,701 km (0.057 R)
• M17: 8,577,942 km (0.058 R)
• M18: 9,381,582 km (0.072 R)
• M19: 11,476,101 km (0.118 R)
• M20: 12,451,330 km (0.089 R)
• M21: 13,778,861 km (0.112 R)
• M22: 14,168,714 km (0.039 R)
• M23: 15,244,472 km (0.087 R)
• M24: 15,661,551 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.7

Radius: 9.6

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.5 AU - 3.54 AU

Year: 4479 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,813,999 km

• M1: 119,529 km (0.079 R)
• M2: 614,698 km (0.038 R)
• M3: 1,190,201 km (0.074 R)
• M4: 1,627,176 km (0.104 R)
• M5: 1,994,888 km (0.092 R)
• M6: 2,306,949 km (0.045 R)
• M7: 2,756,490 km (0.111 R)
• M8: 4,271,019 km (0.109 R)
• M9: 4,768,731 km (0.035 R)
• M10: 5,501,462 km (0.084 R)
• M11: 6,887,336 km (0.1 R)
• M12: 8,153,383 km (0.116 R)
• M13: 15,637,017 km (0.087 R)
• M14: 17,807,682 km (0.102 R)
• M15: 19,096,767 km (0.056 R)
• M16: 23,035,978 km (0.118 R)
• M17: 23,945,533 km (0.114 R)
• M18: 26,983,716 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.7

Radius: 15

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.33 AU - 4.45 AU

Year: 5204 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,813,999 km

• M1: 186,549 km (0.055 R)
• M2: 783,444 km (0.09 R)
• M3: 1,375,403 km (0.082 R)
• M4: 2,648,032 km (0.116 R)
• M5: 4,935,683 km (0.088 R)
• M6: 8,588,863 km (0.063 R)
• M7: 10,200,630 km (0.081 R)
• M8: 11,816,736 km (0.083 R)
• M9: 14,017,171 km (0.117 R)
• M10: 16,955,722 km (0.111 R)
• M11: 22,245,203 km (0.105 R)
• M12: 25,578,992 km (0.074 R)
• M13: 27,365,041 km (0.091 R)
• M14: 28,801,180 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.2

Radius: 11.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.59 AU - 4.97 AU

Year: 6006 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,813,999 km

• M1: 149,299 km (0.109 R)
• M2: 834,457 km (0.028 R)
• M3: 1,241,662 km (0.088 R)
• M4: 3,269,761 km (0.078 R)
• M5: 3,827,312 km (0.112 R)
• M6: 4,267,429 km (0.063 R)
• M7: 5,162,922 km (0.089 R)
• M8: 6,478,934 km (0.114 R)
• M9: 7,929,136 km (0.032 R)
• M10: 8,566,273 km (0.119 R)
• M11: 9,453,837 km (0.088 R)
• M12: 12,224,839 km (0.092 R)
• M13: 13,021,447 km (0.107 R)
• M14: 18,408,916 km (0.093 R)
• M15: 19,313,683 km (0.053 R)
• M16: 20,394,229 km (0.115 R)
• M17: 21,514,717 km (0.08 R)
• M18: 22,912,859 km (0.098 R)
• M19: 25,291,465 km (0.089 R)
• M20: 30,246,894 km (0.119 R)
• M21: 30,630,613 km (0.052 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: 286 - 16,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit