🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 9.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 14.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,100,794 km

• M1: 121,922 km (0.12 R)
• M2: 524,041 km (0.072 R)
• M3: 854,503 km (0.078 R)
• M4: 1,468,752 km (0.107 R)
• M5: 2,152,564 km (0.104 R)
• M6: 2,465,523 km (0.092 R)
• M7: 2,800,921 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 14.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.58 AU - 0.72 AU

Year: 349 Days

Day: 12.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,100,794 km

• M1: 179,368 km (0.055 R)
• M2: 737,966 km (0.117 R)
• M3: 1,234,631 km (0.113 R)
• M4: 2,122,644 km (0.103 R)
• M5: 2,681,093 km (0.031 R)
• M6: 3,417,863 km (0.046 R)
• M7: 4,165,403 km (0.066 R)
• M8: 5,111,759 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438

Radius: 13.3

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.87 AU - 2.73 AU

Year: 2326 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 155.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,100,794 km

• M1: 166,802 km (0.114 R)
• M2: 1,719,179 km (0.079 R)
• M3: 2,653,268 km (0.062 R)
• M4: 4,428,845 km (0.102 R)
• M5: 5,743,212 km (0.03 R)
• M6: 7,358,570 km (0.101 R)
• M7: 7,784,475 km (0.077 R)
• M8: 8,500,151 km (0.114 R)
• M9: 10,447,018 km (0.113 R)
• M10: 14,843,849 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.7

Radius: 8

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.98 AU - 2.94 AU

Year: 2573 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 61.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,100,794 km

• M1: 100,231 km (0.118 R)
• M2: 469,887 km (0.117 R)
• M3: 803,041 km (0.08 R)
• M4: 1,132,605 km (0.091 R)
• M5: 1,616,555 km (0.086 R)
• M6: 2,218,237 km (0.091 R)
• M7: 2,813,338 km (0.117 R)
• M8: 3,096,826 km (0.113 R)
• M9: 3,567,311 km (0.099 R)
• M10: 4,043,182 km (0.112 R)
• M11: 4,296,600 km (0.104 R)
• M12: 4,789,077 km (0.036 R)
• M13: 5,727,803 km (0.041 R)
• M14: 7,578,030 km (0.097 R)
• M15: 9,025,090 km (0.1 R)
• M16: 9,757,372 km (0.088 R)
• M17: 10,176,694 km (0.037 R)
• M18: 11,215,652 km (0.063 R)
• M19: 12,105,011 km (0.043 R)
• M20: 12,455,968 km (0.09 R)
• M21: 13,270,378 km (0.103 R)
• M22: 14,805,252 km (0.051 R)
• M23: 16,348,504 km (0.1 R)
• M24: 17,714,033 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.1

Radius: 8

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.8 AU - 7.54 AU

Year: 11487 Days

Day: 20.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,100,794 km

• M1: 101,128 km (0.058 R)
• M2: 536,159 km (0.105 R)
• M3: 1,030,879 km (0.091 R)
• M4: 1,364,931 km (0.108 R)
• M5: 2,216,143 km (0.038 R)
• M6: 3,180,750 km (0.119 R)
• M7: 3,784,976 km (0.104 R)
• M8: 4,309,316 km (0.108 R)
• M9: 5,360,241 km (0.111 R)
• M10: 5,795,422 km (0.106 R)
• M11: 6,902,595 km (0.091 R)
• M12: 7,550,803 km (0.076 R)
• M13: 8,429,242 km (0.111 R)
• M14: 9,322,790 km (0.104 R)
• M15: 10,723,026 km (0.042 R)
• M16: 11,414,318 km (0.119 R)
• M17: 13,142,771 km (0.055 R)
• M18: 13,468,895 km (0.089 R)
• M19: 14,341,948 km (0.072 R)
• M20: 15,467,821 km (0.112 R)
• M21: 17,110,406 km (0.054 R)
• M22: 17,421,121 km (0.109 R)
• M23: 19,197,745 km (0.038 R)
• M24: 19,449,070 km (0.113 R)
• M25: 22,360,095 km (0.069 R)
• M26: 23,870,883 km (0.086 R)
• M27: 24,750,070 km (0.038 R)
• M28: 27,094,568 km (0.093 R)
• M29: 28,701,099 km (0.119 R)
• M30: 29,806,628 km (0.104 R)
• M31: 31,867,937 km (0.112 R)
• M32: 32,338,572 km (0.107 R)
• M33: 35,260,368 km (0.085 R)
• M34: 35,511,393 km (0.046 R)
• M35: 39,019,912 km (0.105 R)
• M36: 47,324,239 km (0.089 R)
• M37: 49,021,726 km (0.048 R)
• M38: 52,211,302 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.3

Radius: 7.8

Gravity: 14.01 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.98 AU - 9.42 AU

Year: 17112 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,100,794 km

• M1: 97,388 km (0.103 R)
• M2: 340,634 km (0.12 R)
• M3: 634,893 km (0.084 R)
• M4: 1,206,956 km (0.047 R)
• M5: 1,530,835 km (0.111 R)
• M6: 3,420,406 km (0.114 R)
• M7: 4,170,938 km (0.119 R)
• M8: 4,636,636 km (0.11 R)
• M9: 5,026,638 km (0.116 R)
• M10: 6,500,925 km (0.112 R)
• M11: 6,809,246 km (0.104 R)
• M12: 9,415,540 km (0.114 R)
• M13: 11,567,506 km (0.034 R)
• M14: 12,894,888 km (0.054 R)
• M15: 18,691,506 km (0.101 R)
• M16: 20,607,406 km (0.101 R)
• M17: 25,146,654 km (0.086 R)
• M18: 28,283,721 km (0.118 R)
• M19: 31,048,440 km (0.061 R)
• M20: 33,594,595 km (0.105 R)
• M21: 36,139,405 km (0.08 R)
• M22: 39,243,261 km (0.112 R)
• M23: 50,809,720 km (0.084 R)
• M24: 53,616,774 km (0.091 R)
• M25: 55,422,720 km (0.116 R)
• M26: 55,788,636 km (0.103 R)
• M27: 60,114,109 km (0.053 R)
• M28: 61,669,628 km (0.098 R)
• M29: 64,254,081 km (0.047 R)
• M30: 66,290,706 km (0.041 R)
• M31: 69,425,679 km (0.089 R)
• M32: 71,137,527 km (0.032 R)
• M33: 71,569,716 km (0.119 R)
• M34: 72,003,849 km (0.098 R)
• M35: 73,096,512 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 235.7

Radius: 5.9

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 10.24 AU - 11.16 AU

Year: 23340 Days

Day: 20.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,100,794 km

• M1: 73,453 km (0.104 R)
• M2: 400,623 km (0.106 R)
• M3: 763,847 km (0.062 R)
• M4: 1,006,794 km (0.04 R)
• M5: 1,300,903 km (0.067 R)
• M6: 2,692,014 km (0.117 R)
• M7: 3,014,995 km (0.103 R)
• M8: 3,879,522 km (0.079 R)
• M9: 4,799,249 km (0.062 R)
• M10: 6,201,729 km (0.096 R)
• M11: 6,479,682 km (0.106 R)
• M12: 6,683,285 km (0.114 R)
• M13: 8,136,030 km (0.058 R)
• M14: 13,079,940 km (0.077 R)
• M15: 13,405,764 km (0.114 R)
• M16: 13,736,824 km (0.06 R)
• M17: 14,833,078 km (0.086 R)
• M18: 17,043,536 km (0.054 R)
• M19: 17,353,951 km (0.105 R)
• M20: 20,668,891 km (0.081 R)
• M21: 22,474,537 km (0.091 R)
• M22: 22,847,784 km (0.1 R)
• M23: 24,382,658 km (0.092 R)
• M24: 24,579,229 km (0.062 R)
• M25: 26,190,099 km (0.12 R)
• M26: 27,021,265 km (0.08 R)
• M27: 28,518,141 km (0.1 R)
• M28: 30,865,631 km (0.112 R)
• M29: 31,675,853 km (0.109 R)
• M30: 32,977,654 km (0.061 R)
• M31: 37,226,533 km (0.093 R)
• M32: 38,276,710 km (0.11 R)
• M33: 40,988,470 km (0.1 R)
• M34: 49,729,175 km (0.095 R)
• M35: 50,681,963 km (0.064 R)
• M36: 57,521,428 km (0.06 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: 547 - 16,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit