🌌 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: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.5

Radius: 9

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.48 AU - 0.7 AU

Year: 302 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,575,883 km

• M1: 111,899 km (0.084 R)
• M2: 413,189 km (0.111 R)
• M3: 829,969 km (0.049 R)
• M4: 1,143,975 km (0.063 R)
• M5: 1,469,500 km (0.115 R)
• M6: 1,849,927 km (0.108 R)
• M7: 2,512,945 km (0.086 R)
• M8: 2,801,968 km (0.117 R)
• M9: 3,988,130 km (0.095 R)
• M10: 4,318,143 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 13.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.85 AU - 1.29 AU

Year: 738 Days

Day: 12.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,575,883 km

• M1: 171,589 km (0.087 R)
• M2: 600,935 km (0.113 R)
• M3: 1,248,993 km (0.089 R)
• M4: 1,708,408 km (0.082 R)
• M5: 2,673,314 km (0.093 R)
• M6: 3,225,779 km (0.082 R)
• M7: 3,800,983 km (0.101 R)
• M8: 4,429,443 km (0.095 R)
• M9: 5,425,466 km (0.103 R)
• M10: 6,058,863 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115

Radius: 10.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.43 AU - 1.59 AU

Year: 1237 Days

Day: 5.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,575,883 km

• M1: 129,402 km (0.061 R)
• M2: 511,176 km (0.115 R)
• M3: 882,029 km (0.043 R)
• M4: 1,223,711 km (0.089 R)
• M5: 1,641,238 km (0.091 R)
• M6: 2,308,894 km (0.111 R)
• M7: 2,653,866 km (0.081 R)
• M8: 3,056,434 km (0.115 R)
• M9: 3,474,560 km (0.094 R)
• M10: 4,774,865 km (0.084 R)
• M11: 5,682,924 km (0.093 R)
• M12: 6,243,318 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 8.7

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.49 AU - 1.97 AU

Year: 1517 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,575,883 km

• M1: 108,159 km (0.117 R)
• M2: 394,938 km (0.109 R)
• M3: 853,456 km (0.102 R)
• M4: 1,151,604 km (0.095 R)
• M5: 1,728,603 km (0.04 R)
• M6: 2,072,529 km (0.117 R)
• M7: 2,401,794 km (0.111 R)
• M8: 3,239,691 km (0.039 R)
• M9: 5,131,207 km (0.055 R)
• M10: 5,673,350 km (0.098 R)
• M11: 6,345,942 km (0.07 R)
• M12: 6,725,771 km (0.106 R)
• M13: 7,822,323 km (0.093 R)
• M14: 8,945,504 km (0.079 R)
• M15: 11,062,164 km (0.111 R)
• M16: 11,718,600 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 8.1

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.55 AU - 2.27 AU

Year: 1760 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,575,883 km

• M1: 100,679 km (0.114 R)
• M2: 408,851 km (0.096 R)
• M3: 992,731 km (0.074 R)
• M4: 1,326,036 km (0.025 R)
• M5: 2,266,109 km (0.081 R)
• M6: 2,813,188 km (0.055 R)
• M7: 3,118,218 km (0.103 R)
• M8: 3,701,799 km (0.1 R)
• M9: 4,152,089 km (0.057 R)
• M10: 4,970,688 km (0.111 R)
• M11: 5,279,458 km (0.097 R)
• M12: 7,838,480 km (0.089 R)
• M13: 8,230,875 km (0.105 R)
• M14: 8,499,852 km (0.082 R)
• M15: 10,269,295 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 11.7

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.33 AU - 3.07 AU

Year: 2959 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,575,883 km

• M1: 160,369 km (0.112 R)
• M2: 547,528 km (0.109 R)
• M3: 1,382,733 km (0.103 R)
• M4: 2,893,073 km (0.102 R)
• M5: 5,007,938 km (0.076 R)
• M6: 6,570,787 km (0.041 R)
• M7: 7,932,427 km (0.085 R)
• M8: 8,575,399 km (0.057 R)
• M9: 11,628,392 km (0.079 R)
• M10: 12,060,580 km (0.095 R)
• M11: 12,911,343 km (0.1 R)
• M12: 14,188,610 km (0.083 R)
• M13: 16,883,167 km (0.073 R)
• M14: 18,878,204 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.7

Radius: 8.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.53 AU - 6.83 AU

Year: 9027 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,575,883 km

• M1: 106,065 km (0.04 R)
• M2: 427,700 km (0.088 R)
• M3: 1,019,061 km (0.098 R)
• M4: 1,407,417 km (0.089 R)
• M5: 2,168,122 km (0.054 R)
• M6: 2,664,936 km (0.112 R)
• M7: 3,048,954 km (0.117 R)
• M8: 3,570,752 km (0.05 R)
• M9: 4,427,947 km (0.071 R)
• M10: 7,857,030 km (0.104 R)
• M11: 8,912,592 km (0.091 R)
• M12: 12,030,960 km (0.051 R)
• M13: 16,034,498 km (0.115 R)
• M14: 18,958,389 km (0.074 R)
• M15: 21,252,472 km (0.106 R)
• M16: 22,219,772 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.2

Radius: 3.1

Gravity: 38 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.35 AU - 9.01 AU

Year: 15601 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,575,883 km

• M1: 38,596 km (0.061 R)
• M2: 138,228 km (0.068 R)
• M3: 313,707 km (0.096 R)
• M4: 825,780 km (0.081 R)
• M5: 1,550,133 km (0.057 R)
• M6: 2,055,924 km (0.04 R)
• M7: 2,860,162 km (0.028 R)
• M8: 3,137,516 km (0.102 R)
• M9: 3,745,631 km (0.025 R)
• M10: 4,338,937 km (0.092 R)
• M11: 5,462,566 km (0.075 R)
• M12: 6,452,156 km (0.101 R)
• M13: 6,647,681 km (0.114 R)
• M14: 7,091,687 km (0.057 R)
• M15: 8,356,836 km (0.117 R)
• M16: 9,511,433 km (0.114 R)
• M17: 9,662,826 km (0.102 R)
• M18: 12,793,311 km (0.114 R)
• M19: 14,518,773 km (0.103 R)
• M20: 19,295,582 km (0.08 R)
• M21: 21,037,649 km (0.046 R)
• M22: 21,815,409 km (0.082 R)
• M23: 26,787,294 km (0.11 R)
• M24: 30,893,007 km (0.048 R)
• M25: 31,896,660 km (0.083 R)
• M26: 38,124,120 km (0.054 R)
• M27: 39,667,970 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.6

Radius: 6.3

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.87 AU - 10.09 AU

Year: 19464 Days

Day: 19.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,575,883 km

• M1: 78,389 km (0.083 R)
• M2: 1,505,254 km (0.119 R)
• M3: 2,731,358 km (0.082 R)
• M4: 3,321,821 km (0.1 R)
• M5: 3,840,626 km (0.079 R)
• M6: 4,966,051 km (0.113 R)
• M7: 5,373,107 km (0.109 R)
• M8: 6,997,740 km (0.059 R)
• M9: 9,582,492 km (0.054 R)
• M10: 13,504,349 km (0.083 R)
• M11: 15,196,152 km (0.041 R)
• M12: 21,980,714 km (0.116 R)
• M13: 37,756,707 km (0.116 R)
• M14: 39,614,115 km (0.111 R)
• M15: 40,786,812 km (0.11 R)
• M16: 41,232,614 km (0.115 R)
• M17: 60,871,972 km (0.073 R)
• M18: 67,895,592 km (0.087 R)
• M19: 70,636,075 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 18,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit