🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.4

Radius: 9.4

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.7 AU - 0.94 AU

Year: 513 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,749,878 km

• M1: 116,986 km (0.102 R)
• M2: 410,796 km (0.065 R)
• M3: 815,159 km (0.079 R)
• M4: 1,238,670 km (0.098 R)
• M5: 1,821,803 km (0.087 R)
• M6: 3,155,169 km (0.087 R)
• M7: 3,736,656 km (0.1 R)
• M8: 4,186,347 km (0.081 R)
• M9: 4,550,767 km (0.102 R)
• M10: 6,281,764 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 9.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.01 AU - 1.59 AU

Year: 1023 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,749,878 km

• M1: 120,725 km (0.11 R)
• M2: 434,582 km (0.104 R)
• M3: 741,706 km (0.059 R)
• M4: 1,332,019 km (0.118 R)
• M5: 1,823,149 km (0.056 R)
• M6: 2,262,817 km (0.078 R)
• M7: 2,784,316 km (0.109 R)
• M8: 3,840,177 km (0.11 R)
• M9: 5,125,522 km (0.12 R)
• M10: 5,497,123 km (0.031 R)
• M11: 6,399,199 km (0.119 R)
• M12: 8,727,540 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 13.3

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.18 AU - 1.5 AU

Year: 1071 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 164.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,749,878 km

• M1: 176,077 km (0.03 R)
• M2: 595,848 km (0.066 R)
• M3: 1,092,962 km (0.103 R)
• M4: 1,574,518 km (0.111 R)
• M5: 2,744,373 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.9

Radius: 8.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.85 AU - 2.91 AU

Year: 3374 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,749,878 km

• M1: 106,962 km (0.089 R)
• M2: 424,559 km (0.066 R)
• M3: 946,207 km (0.105 R)
• M4: 1,216,380 km (0.09 R)
• M5: 1,605,335 km (0.04 R)
• M6: 2,284,659 km (0.107 R)
• M7: 3,564,917 km (0.064 R)
• M8: 4,644,116 km (0.062 R)
• M9: 5,423,671 km (0.102 R)
• M10: 6,095,066 km (0.12 R)
• M11: 7,776,397 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.9

Radius: 14.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.6 AU - 3.84 AU

Year: 3988 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,749,878 km

• M1: 176,077 km (0.102 R)
• M2: 791,522 km (0.053 R)
• M3: 1,277,865 km (0.117 R)
• M4: 1,917,396 km (0.103 R)
• M5: 3,831,949 km (0.073 R)
• M6: 4,296,900 km (0.117 R)
• M7: 5,001,356 km (0.108 R)
• M8: 6,306,149 km (0.063 R)
• M9: 7,119,811 km (0.098 R)
• M10: 8,037,744 km (0.097 R)
• M11: 9,187,553 km (0.029 R)
• M12: 9,741,664 km (0.078 R)
• M13: 10,444,325 km (0.103 R)
• M14: 11,539,082 km (0.113 R)
• M15: 12,231,720 km (0.103 R)
• M16: 12,903,265 km (0.109 R)
• M17: 14,903,987 km (0.098 R)
• M18: 16,810,762 km (0.105 R)
• M19: 19,448,920 km (0.069 R)
• M20: 20,698,511 km (0.039 R)
• M21: 22,211,245 km (0.114 R)
• M22: 23,429,869 km (0.07 R)
• M23: 26,551,976 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 11.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.59 AU - 5.51 AU

Year: 6699 Days

Day: 13.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,749,878 km

• M1: 139,724 km (0.083 R)
• M2: 515,215 km (0.109 R)
• M3: 1,529,638 km (0.085 R)
• M4: 2,173,956 km (0.099 R)
• M5: 2,605,546 km (0.099 R)
• M6: 3,146,342 km (0.093 R)
• M7: 3,662,904 km (0.099 R)
• M8: 5,082,887 km (0.078 R)
• M9: 5,534,224 km (0.073 R)
• M10: 7,360,664 km (0.082 R)
• M11: 8,653,638 km (0.053 R)
• M12: 9,299,153 km (0.097 R)
• M13: 10,015,129 km (0.029 R)
• M14: 10,565,798 km (0.034 R)
• M15: 11,684,940 km (0.03 R)
• M16: 13,723,510 km (0.102 R)
• M17: 14,502,317 km (0.107 R)
• M18: 17,071,511 km (0.062 R)
• M19: 18,492,840 km (0.117 R)
• M20: 20,613,240 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.3

Radius: 5.6

Gravity: 26.06 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.51 AU - 6.77 AU

Year: 11810 Days

Day: 23 Hours

Environment

Temp: -235 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 83,749,878 km

• M1: 69,713 km (0.093 R)
• M2: 280,945 km (0.026 R)
• M3: 483,949 km (0.107 R)
• M4: 665,561 km (0.074 R)
• M5: 934,987 km (0.103 R)
• M6: 1,186,311 km (0.078 R)
• M7: 1,632,262 km (0.114 R)
• M8: 1,876,855 km (0.059 R)
• M9: 2,240,976 km (0.106 R)
• M10: 2,565,155 km (0.087 R)
• M11: 2,920,150 km (0.085 R)
• M12: 3,158,161 km (0.111 R)
• M13: 3,383,455 km (0.097 R)
• M14: 3,673,376 km (0.045 R)
• M15: 3,951,179 km (0.094 R)
• M16: 5,274,073 km (0.111 R)
• M17: 11,840,372 km (0.045 R)
• M18: 15,293,241 km (0.036 R)
• M19: 15,506,717 km (0.067 R)
• M20: 16,306,318 km (0.108 R)
• M21: 16,603,718 km (0.089 R)
• M22: 17,595,552 km (0.096 R)
• M23: 19,115,167 km (0.085 R)
• M24: 20,033,997 km (0.084 R)
• M25: 20,720,352 km (0.108 R)
• M26: 21,511,127 km (0.096 R)
• M27: 22,049,380 km (0.057 R)
• M28: 23,528,604 km (0.084 R)
• M29: 27,829,542 km (0.109 R)
• M30: 28,683,746 km (0.1 R)
• M31: 30,895,102 km (0.056 R)
• M32: 33,575,896 km (0.106 R)
• M33: 34,057,451 km (0.109 R)
• M34: 36,281,373 km (0.101 R)
• M35: 38,076,697 km (0.071 R)
• M36: 41,704,745 km (0.114 R)
• M37: 43,246,650 km (0.078 R)
• M38: 43,673,602 km (0.102 R)
• M39: 48,558,122 km (0.063 R)
• M40: 49,483,684 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.6

Radius: 3.7

Gravity: 66.59 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 8.66 AU - 10.22 AU

Year: 20020 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,749,878 km

• M1: 46,375 km (0.112 R)
• M2: 251,923 km (0.098 R)
• M3: 369,956 km (0.118 R)
• M4: 676,332 km (0.112 R)
• M5: 1,603,689 km (0.096 R)
• M6: 3,394,376 km (0.032 R)
• M7: 3,665,597 km (0.1 R)
• M8: 3,886,553 km (0.116 R)
• M9: 6,115,561 km (0.038 R)
• M10: 6,381,247 km (0.113 R)
• M11: 7,176,210 km (0.1 R)
• M12: 7,471,965 km (0.117 R)
• M13: 8,903,916 km (0.108 R)
• M14: 12,791,815 km (0.072 R)
• M15: 14,048,287 km (0.082 R)
• M16: 16,976,067 km (0.108 R)
• M17: 17,412,444 km (0.119 R)
• M18: 20,091,742 km (0.106 R)
• M19: 21,681,369 km (0.083 R)
• M20: 24,001,333 km (0.11 R)
• M21: 27,305,052 km (0.116 R)
• M22: 28,511,110 km (0.072 R)
• M23: 33,146,400 km (0.074 R)
• M24: 35,641,842 km (0.096 R)
• M25: 36,069,543 km (0.086 R)
• M26: 38,858,197 km (0.09 R)
• M27: 48,776,984 km (0.101 R)
• M28: 52,731,155 km (0.109 R)
• M29: 55,355,550 km (0.086 R)
• M30: 59,054,657 km (0.109 R)
• M31: 62,707,837 km (0.116 R)
• M32: 65,012,841 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 19,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit