🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.1

Radius: 10.5

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.47 AU - 0.75 AU

Year: 323 Days

Day: 14.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,954,239 km

• M1: 130,599 km (0.033 R)
• M2: 792,270 km (0.113 R)
• M3: 1,149,959 km (0.106 R)
• M4: 1,637,648 km (0.053 R)
• M5: 1,984,865 km (0.048 R)
• M6: 2,452,657 km (0.104 R)
• M7: 3,914,677 km (0.11 R)
• M8: 4,530,272 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 11.1

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 8.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,954,239 km

• M1: 143,315 km (0.116 R)
• M2: 586,872 km (0.039 R)
• M3: 1,175,690 km (0.083 R)
• M4: 2,199,537 km (0.109 R)
• M5: 2,761,427 km (0.026 R)
• M6: 3,812,651 km (0.111 R)
• M7: 4,225,691 km (0.099 R)
• M8: 4,640,825 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 8.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.92 AU - 1.26 AU

Year: 772 Days

Day: 7.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,954,239 km

• M1: 109,506 km (0.103 R)
• M2: 399,875 km (0.071 R)
• M3: 706,700 km (0.075 R)
• M4: 1,101,040 km (0.1 R)
• M5: 1,871,021 km (0.076 R)
• M6: 2,333,577 km (0.102 R)
• M7: 2,927,630 km (0.063 R)
• M8: 3,947,140 km (0.078 R)
• M9: 4,309,915 km (0.107 R)
• M10: 4,615,992 km (0.042 R)
• M11: 4,953,036 km (0.041 R)
• M12: 5,803,949 km (0.077 R)
• M13: 6,083,098 km (0.065 R)
• M14: 6,688,371 km (0.03 R)
• M15: 7,078,971 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.6

Radius: 11

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.13 AU - 1.39 AU

Year: 959 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,954,239 km

• M1: 136,732 km (0.11 R)
• M2: 487,091 km (0.09 R)
• M3: 1,159,982 km (0.109 R)
• M4: 1,639,144 km (0.097 R)
• M5: 2,300,965 km (0.095 R)
• M6: 2,706,375 km (0.068 R)
• M7: 3,518,243 km (0.079 R)
• M8: 3,888,647 km (0.118 R)
• M9: 4,468,189 km (0.077 R)
• M10: 5,387,169 km (0.087 R)
• M11: 5,861,245 km (0.101 R)
• M12: 6,713,204 km (0.117 R)
• M13: 8,194,523 km (0.105 R)
• M14: 8,583,477 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.5

Radius: 11.7

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.38 AU - 3.04 AU

Year: 3026 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,954,239 km

• M1: 147,504 km (0.12 R)
• M2: 644,617 km (0.067 R)
• M3: 1,068,727 km (0.086 R)
• M4: 1,470,248 km (0.111 R)
• M5: 1,974,094 km (0.099 R)
• M6: 2,969,817 km (0.107 R)
• M7: 3,606,805 km (0.082 R)
• M8: 4,234,817 km (0.074 R)
• M9: 5,590,622 km (0.105 R)
• M10: 6,537,876 km (0.117 R)
• M11: 7,273,748 km (0.098 R)
• M12: 8,063,924 km (0.05 R)
• M13: 9,643,378 km (0.075 R)
• M14: 11,807,910 km (0.103 R)
• M15: 12,365,610 km (0.086 R)
• M16: 13,837,354 km (0.035 R)
• M17: 15,945,039 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.1

Radius: 12.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3 AU - 4.62 AU

Year: 5044 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,954,239 km

• M1: 159,771 km (0.106 R)
• M2: 844,779 km (0.079 R)
• M3: 1,624,184 km (0.028 R)
• M4: 2,058,766 km (0.098 R)
• M5: 2,602,704 km (0.092 R)
• M6: 3,521,683 km (0.097 R)
• M7: 3,962,399 km (0.101 R)
• M8: 4,787,581 km (0.048 R)
• M9: 7,595,383 km (0.107 R)
• M10: 8,977,817 km (0.107 R)
• M11: 10,159,790 km (0.113 R)
• M12: 11,101,808 km (0.114 R)
• M13: 12,784,933 km (0.068 R)
• M14: 13,882,832 km (0.104 R)
• M15: 14,632,168 km (0.119 R)
• M16: 16,375,581 km (0.051 R)
• M17: 17,497,565 km (0.032 R)
• M18: 18,253,783 km (0.069 R)
• M19: 18,910,667 km (0.082 R)
• M20: 20,846,762 km (0.115 R)
• M21: 21,763,199 km (0.113 R)
• M22: 22,569,980 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.4

Radius: 3

Gravity: 43.38 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.01 AU - 9.73 AU

Year: 16424 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,954,239 km

• M1: 38,895 km (0.103 R)
• M2: 216,468 km (0.074 R)
• M3: 323,580 km (0.081 R)
• M4: 534,812 km (0.1 R)
• M5: 830,567 km (0.107 R)
• M6: 1,077,853 km (0.117 R)
• M7: 1,700,329 km (0.091 R)
• M8: 2,248,755 km (0.058 R)
• M9: 2,573,831 km (0.059 R)
• M10: 3,023,223 km (0.116 R)
• M11: 3,266,470 km (0.119 R)
• M12: 5,176,535 km (0.111 R)
• M13: 5,595,858 km (0.086 R)
• M14: 8,550,565 km (0.116 R)
• M15: 12,340,478 km (0.054 R)
• M16: 13,860,991 km (0.056 R)
• M17: 14,125,929 km (0.069 R)
• M18: 14,871,973 km (0.11 R)
• M19: 17,574,159 km (0.102 R)
• M20: 18,198,581 km (0.085 R)
• M21: 21,104,819 km (0.099 R)
• M22: 21,455,476 km (0.12 R)
• M23: 23,924,439 km (0.112 R)
• M24: 28,342,813 km (0.04 R)
• M25: 28,555,541 km (0.044 R)
• M26: 30,855,010 km (0.097 R)
• M27: 31,420,041 km (0.083 R)
• M28: 34,591,366 km (0.098 R)
• M29: 37,200,353 km (0.104 R)
• M30: 39,274,228 km (0.066 R)
• M31: 41,973,123 km (0.078 R)
• M32: 44,219,186 km (0.11 R)
• M33: 45,226,578 km (0.063 R)
• M34: 46,396,433 km (0.093 R)
• M35: 47,886,877 km (0.112 R)
• M36: 50,806,279 km (0.106 R)
• M37: 53,679,306 km (0.064 R)
• M38: 55,321,293 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525

Radius: 4.8

Gravity: 22.79 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.16 AU - 11.84 AU

Year: 21448 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,954,239 km

• M1: 59,690 km (0.031 R)
• M2: 239,057 km (0.075 R)
• M3: 1,131,708 km (0.084 R)
• M4: 1,385,725 km (0.055 R)
• M5: 1,801,009 km (0.111 R)
• M6: 2,168,870 km (0.116 R)
• M7: 2,403,739 km (0.12 R)
• M8: 2,727,169 km (0.058 R)
• M9: 3,131,831 km (0.07 R)
• M10: 5,046,983 km (0.116 R)
• M11: 5,977,482 km (0.087 R)
• M12: 6,184,825 km (0.059 R)
• M13: 6,702,284 km (0.059 R)
• M14: 9,559,603 km (0.036 R)
• M15: 10,191,505 km (0.088 R)
• M16: 11,097,320 km (0.081 R)
• M17: 11,474,306 km (0.108 R)
• M18: 12,454,023 km (0.083 R)
• M19: 13,845,433 km (0.045 R)
• M20: 14,653,261 km (0.111 R)
• M21: 17,181,465 km (0.114 R)
• M22: 18,548,341 km (0.091 R)
• M23: 19,894,123 km (0.047 R)
• M24: 20,450,179 km (0.083 R)
• M25: 24,319,976 km (0.103 R)
• M26: 25,385,412 km (0.09 R)
• M27: 27,723,477 km (0.119 R)
• M28: 31,681,239 km (0.079 R)
• M29: 32,694,315 km (0.115 R)
• M30: 36,824,713 km (0.08 R)
• M31: 50,245,138 km (0.069 R)
• M32: 54,990,980 km (0.097 R)
• M33: 59,643,773 km (0.053 R)
• M34: 60,026,894 km (0.117 R)
• M35: 68,877,702 km (0.097 R)
• M36: 69,722,930 km (0.106 R)
• M37: 71,003,787 km (0.119 R)
• M38: 72,954,244 km (0.043 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: 161 - 17,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit