🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802

Radius: 10

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.57 AU - 0.93 AU

Year: 448 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,545,577 km

• M1: 124,316 km (0.09 R)
• M2: 448,794 km (0.118 R)
• M3: 815,757 km (0.071 R)
• M4: 1,245,851 km (0.115 R)
• M5: 1,606,980 km (0.045 R)
• M6: 2,361,851 km (0.096 R)
• M7: 2,688,573 km (0.097 R)
• M8: 3,218,299 km (0.11 R)
• M9: 4,212,526 km (0.104 R)
• M10: 4,804,186 km (0.107 R)
• M11: 5,185,212 km (0.089 R)
• M12: 5,552,175 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.3

Radius: 11.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,545,577 km

• M1: 138,528 km (0.062 R)
• M2: 633,996 km (0.12 R)
• M3: 1,129,763 km (0.115 R)
• M4: 2,094,370 km (0.105 R)
• M5: 2,761,876 km (0.065 R)
• M6: 3,262,430 km (0.064 R)
• M7: 3,629,095 km (0.072 R)
• M8: 4,549,421 km (0.099 R)
• M9: 5,169,055 km (0.075 R)
• M10: 5,704,765 km (0.095 R)
• M11: 6,058,115 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.5

Radius: 14.7

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.82 AU - 0.92 AU

Year: 560 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,545,577 km

• M1: 184,604 km (0.045 R)
• M2: 645,515 km (0.093 R)
• M3: 1,236,875 km (0.113 R)
• M4: 1,717,234 km (0.111 R)
• M5: 2,617,664 km (0.096 R)
• M6: 3,122,706 km (0.05 R)
• M7: 3,653,030 km (0.062 R)
• M8: 4,469,685 km (0.113 R)
• M9: 5,079,596 km (0.053 R)
• M10: 6,291,338 km (0.075 R)
• M11: 6,872,526 km (0.083 R)
• M12: 7,402,103 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.4

Radius: 12.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.11 AU - 1.11 AU

Year: 807 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,545,577 km

• M1: 160,519 km (0.095 R)
• M2: 563,685 km (0.069 R)
• M3: 974,780 km (0.083 R)
• M4: 1,514,978 km (0.116 R)
• M5: 1,954,945 km (0.099 R)
• M6: 2,610,483 km (0.038 R)
• M7: 3,037,884 km (0.088 R)
• M8: 3,798,440 km (0.117 R)
• M9: 4,473,276 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.9

Radius: 8

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.48 AU - 1.74 AU

Year: 1410 Days

Day: 5.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 56.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,545,577 km

• M1: 99,483 km (0.118 R)
• M2: 506,688 km (0.105 R)
• M3: 1,165,367 km (0.104 R)
• M4: 1,543,700 km (0.036 R)
• M5: 2,045,452 km (0.064 R)
• M6: 2,437,398 km (0.071 R)
• M7: 2,690,966 km (0.058 R)
• M8: 3,061,221 km (0.105 R)
• M9: 3,575,688 km (0.106 R)
• M10: 4,417,027 km (0.067 R)
• M11: 5,074,360 km (0.063 R)
• M12: 5,597,952 km (0.097 R)
• M13: 6,438,393 km (0.107 R)
• M14: 6,728,314 km (0.118 R)
• M15: 7,465,233 km (0.113 R)
• M16: 7,839,676 km (0.112 R)
• M17: 9,038,703 km (0.097 R)
• M18: 9,588,326 km (0.068 R)
• M19: 10,487,409 km (0.053 R)
• M20: 11,547,011 km (0.117 R)
• M21: 11,903,652 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 4.8

Gravity: 21.09 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.89 AU - 10.19 AU

Year: 18761 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,545,577 km

• M1: 59,839 km (0.044 R)
• M2: 279,000 km (0.083 R)
• M3: 799,750 km (0.113 R)
• M4: 3,193,017 km (0.099 R)
• M5: 5,669,759 km (0.094 R)
• M6: 6,634,067 km (0.046 R)
• M7: 7,022,423 km (0.081 R)
• M8: 8,779,450 km (0.098 R)
• M9: 9,089,716 km (0.112 R)
• M10: 14,589,532 km (0.1 R)
• M11: 14,806,000 km (0.115 R)
• M12: 18,993,394 km (0.06 R)
• M13: 22,631,315 km (0.108 R)
• M14: 23,509,305 km (0.051 R)
• M15: 36,143,444 km (0.095 R)
• M16: 36,805,863 km (0.099 R)
• M17: 38,155,087 km (0.095 R)
• M18: 40,951,669 km (0.102 R)
• M19: 53,848,651 km (0.051 R)
• M20: 55,410,154 km (0.098 R)
• M21: 55,937,337 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.5

Radius: 3.8

Gravity: 25.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.07 AU - 11.11 AU

Year: 22123 Days

Day: 17.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,545,577 km

• M1: 124,166 km (0.111 R)
• M2: 258,505 km (0.102 R)
• M3: 461,509 km (0.054 R)
• M4: 804,687 km (0.1 R)
• M5: 1,216,081 km (0.071 R)
• M6: 2,329,987 km (0.049 R)
• M7: 2,684,085 km (0.094 R)
• M8: 2,898,309 km (0.098 R)
• M9: 3,361,315 km (0.077 R)
• M10: 3,498,197 km (0.066 R)
• M11: 3,724,987 km (0.119 R)
• M12: 4,563,633 km (0.107 R)
• M13: 7,775,349 km (0.044 R)
• M14: 8,260,196 km (0.049 R)
• M15: 8,409,495 km (0.111 R)
• M16: 8,560,589 km (0.102 R)
• M17: 9,780,110 km (0.061 R)
• M18: 11,050,645 km (0.109 R)
• M19: 11,600,716 km (0.096 R)
• M20: 11,914,124 km (0.026 R)
• M21: 12,040,983 km (0.111 R)
• M22: 14,554,975 km (0.063 R)
• M23: 14,700,085 km (0.062 R)
• M24: 14,993,147 km (0.082 R)
• M25: 16,204,441 km (0.043 R)
• M26: 20,137,220 km (0.115 R)
• M27: 21,327,570 km (0.117 R)
• M28: 32,461,392 km (0.045 R)
• M29: 39,743,218 km (0.078 R)
• M30: 40,169,123 km (0.069 R)
• M31: 41,174,420 km (0.1 R)
• M32: 44,595,873 km (0.1 R)
• M33: 45,673,726 km (0.118 R)
• M34: 46,768,633 km (0.112 R)
• M35: 53,708,328 km (0.114 R)
• M36: 56,165,773 km (0.095 R)
• M37: 59,990,691 km (0.094 R)
• M38: 60,177,090 km (0.11 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 17,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit