🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 12.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.67 AU - 0.69 AU

Year: 374 Days

Day: 8.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,834,235 km

• M1: 154,235 km (0.056 R)
• M2: 662,120 km (0.088 R)
• M3: 1,420,581 km (0.065 R)
• M4: 1,841,999 km (0.074 R)
• M5: 2,419,746 km (0.115 R)
• M6: 3,237,148 km (0.09 R)
• M7: 4,969,342 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816

Radius: 13.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.87 AU - 0.95 AU

Year: 579 Days

Day: 11.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,834,235 km

• M1: 171,589 km (0.107 R)
• M2: 636,689 km (0.095 R)
• M3: 1,374,655 km (0.094 R)
• M4: 1,841,999 km (0.086 R)
• M5: 2,308,295 km (0.091 R)
• M6: 2,888,286 km (0.086 R)
• M7: 4,019,844 km (0.055 R)
• M8: 4,576,648 km (0.113 R)
• M9: 5,082,588 km (0.038 R)
• M10: 5,589,575 km (0.077 R)
• M11: 6,324,998 km (0.114 R)
• M12: 7,081,365 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.8

Radius: 12.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.9 AU - 1.18 AU

Year: 707 Days

Day: 9.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,834,235 km

• M1: 157,975 km (0.045 R)
• M2: 733,179 km (0.075 R)
• M3: 1,269,787 km (0.115 R)
• M4: 1,791,435 km (0.097 R)
• M5: 2,223,623 km (0.099 R)
• M6: 2,668,078 km (0.11 R)
• M7: 3,724,688 km (0.059 R)
• M8: 4,472,228 km (0.069 R)
• M9: 4,882,276 km (0.055 R)
• M10: 5,719,725 km (0.064 R)
• M11: 6,478,037 km (0.1 R)
• M12: 7,632,184 km (0.111 R)
• M13: 8,245,835 km (0.099 R)
• M14: 8,707,942 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.4

Radius: 8.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.18 AU - 1.58 AU

Year: 1081 Days

Day: 9.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,834,235 km

• M1: 111,301 km (0.12 R)
• M2: 478,115 km (0.103 R)
• M3: 765,044 km (0.101 R)
• M4: 1,213,239 km (0.107 R)
• M5: 1,879,248 km (0.074 R)
• M6: 3,130,036 km (0.1 R)
• M7: 3,620,568 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 14.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.35 AU - 1.75 AU

Year: 1287 Days

Day: 8 Hours

Environment

Temp: -199 °C

Axial Tilt: 115.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,834,235 km

• M1: 184,604 km (0.106 R)
• M2: 663,766 km (0.059 R)
• M3: 1,443,320 km (0.113 R)
• M4: 2,319,665 km (0.098 R)
• M5: 3,152,925 km (0.114 R)
• M6: 3,656,471 km (0.099 R)
• M7: 4,449,041 km (0.086 R)
• M8: 5,609,023 km (0.093 R)
• M9: 7,933,325 km (0.111 R)
• M10: 9,760,962 km (0.119 R)
• M11: 10,572,381 km (0.102 R)
• M12: 11,533,996 km (0.117 R)
• M13: 12,893,541 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880

Radius: 13.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.52 AU - 4.26 AU

Year: 5116 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,834,235 km

• M1: 162,912 km (0.081 R)
• M2: 787,184 km (0.115 R)
• M3: 1,270,385 km (0.109 R)
• M4: 2,176,200 km (0.111 R)
• M5: 3,225,928 km (0.096 R)
• M6: 4,460,111 km (0.026 R)
• M7: 5,185,361 km (0.104 R)
• M8: 5,711,647 km (0.081 R)
• M9: 6,273,387 km (0.1 R)
• M10: 7,044,713 km (0.117 R)
• M11: 8,776,907 km (0.114 R)
• M12: 9,785,945 km (0.045 R)
• M13: 10,638,503 km (0.046 R)
• M14: 12,440,409 km (0.103 R)
• M15: 14,838,762 km (0.054 R)
• M16: 16,955,423 km (0.065 R)
• M17: 17,401,673 km (0.099 R)
• M18: 20,175,816 km (0.117 R)
• M19: 23,783,668 km (0.113 R)
• M20: 24,994,064 km (0.118 R)
• M21: 25,823,584 km (0.115 R)
• M22: 26,415,094 km (0.103 R)
• M23: 27,362,797 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.7

Radius: 9.7

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.17 AU - 4.35 AU

Year: 5863 Days

Day: 10.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,834,235 km

• M1: 121,473 km (0.063 R)
• M2: 426,803 km (0.053 R)
• M3: 1,242,859 km (0.106 R)
• M4: 1,915,002 km (0.111 R)
• M5: 3,345,756 km (0.097 R)
• M6: 4,668,052 km (0.084 R)
• M7: 5,119,538 km (0.094 R)
• M8: 6,209,658 km (0.102 R)
• M9: 7,187,729 km (0.107 R)
• M10: 9,228,393 km (0.115 R)
• M11: 10,738,434 km (0.115 R)
• M12: 11,577,529 km (0.117 R)
• M13: 12,143,458 km (0.034 R)
• M14: 14,534,181 km (0.101 R)
• M15: 15,437,303 km (0.114 R)
• M16: 16,828,863 km (0.118 R)
• M17: 17,488,290 km (0.116 R)
• M18: 18,579,158 km (0.066 R)
• M19: 19,070,437 km (0.078 R)
• M20: 19,498,437 km (0.114 R)
• M21: 20,895,980 km (0.108 R)
• M22: 21,657,882 km (0.106 R)
• M23: 22,915,252 km (0.068 R)
• M24: 24,054,739 km (0.116 R)
• M25: 26,446,510 km (0.036 R)
• M26: 26,800,608 km (0.062 R)
• M27: 27,337,814 km (0.092 R)
• M28: 30,712,742 km (0.103 R)
• M29: 31,104,240 km (0.098 R)
• M30: 36,281,224 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.6

Radius: 7.6

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.76 AU - 9.44 AU

Year: 15373 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,834,235 km

• M1: 96,341 km (0.053 R)
• M2: 360,531 km (0.075 R)
• M3: 1,649,017 km (0.102 R)
• M4: 2,385,188 km (0.087 R)
• M5: 2,644,142 km (0.092 R)
• M6: 3,482,788 km (0.116 R)
• M7: 4,783,242 km (0.098 R)
• M8: 6,138,300 km (0.113 R)
• M9: 9,691,698 km (0.09 R)
• M10: 10,075,566 km (0.096 R)
• M11: 10,583,900 km (0.093 R)
• M12: 11,348,345 km (0.062 R)
• M13: 15,139,005 km (0.094 R)
• M14: 17,039,646 km (0.113 R)
• M15: 17,842,538 km (0.119 R)
• M16: 18,839,009 km (0.056 R)
• M17: 19,437,251 km (0.083 R)
• M18: 23,687,476 km (0.108 R)
• M19: 25,403,364 km (0.091 R)
• M20: 26,984,763 km (0.107 R)
• M21: 27,417,251 km (0.115 R)
• M22: 28,967,683 km (0.093 R)
• M23: 30,575,561 km (0.092 R)
• M24: 32,363,555 km (0.114 R)
• M25: 32,729,321 km (0.098 R)
• M26: 34,981,966 km (0.107 R)
• M27: 38,963,065 km (0.039 R)
• M28: 41,062,372 km (0.099 R)
• M29: 41,634,583 km (0.088 R)
• M30: 44,425,930 km (0.035 R)
• M31: 52,698,543 km (0.049 R)
• M32: 53,204,782 km (0.119 R)
• M33: 55,262,650 km (0.117 R)
• M34: 55,610,764 km (0.118 R)
• M35: 57,373,027 km (0.086 R)
• M36: 60,453,846 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 12,567 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit