🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.3

Radius: 13.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 9.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,929,239 km

• M1: 166,652 km (0.103 R)
• M2: 591,660 km (0.087 R)
• M3: 1,046,288 km (0.114 R)
• M4: 1,680,134 km (0.099 R)
• M5: 2,106,637 km (0.062 R)
• M6: 2,881,255 km (0.065 R)
• M7: 3,341,119 km (0.117 R)
• M8: 3,815,494 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.4

Radius: 12.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.47 AU - 0.63 AU

Year: 282 Days

Day: 5.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,929,239 km

• M1: 160,369 km (0.107 R)
• M2: 746,793 km (0.094 R)
• M3: 1,208,003 km (0.09 R)
• M4: 1,647,073 km (0.118 R)
• M5: 2,242,622 km (0.083 R)
• M6: 2,683,187 km (0.111 R)
• M7: 3,361,614 km (0.116 R)
• M8: 3,788,865 km (0.111 R)
• M9: 4,303,632 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.3

Radius: 13.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.65 AU - 0.83 AU

Year: 439 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 122 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,929,239 km

• M1: 170,392 km (0.028 R)
• M2: 605,423 km (0.079 R)
• M3: 1,184,666 km (0.087 R)
• M4: 1,833,920 km (0.092 R)
• M5: 2,348,836 km (0.099 R)
• M6: 3,072,142 km (0.071 R)
• M7: 3,859,775 km (0.089 R)
• M8: 4,287,774 km (0.07 R)
• M9: 4,997,766 km (0.087 R)
• M10: 5,610,818 km (0.057 R)
• M11: 6,218,185 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.2

Radius: 8.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.83 AU - 1.95 AU

Year: 1794 Days

Day: 14.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,929,239 km

• M1: 110,702 km (0.094 R)
• M2: 496,515 km (0.095 R)
• M3: 1,050,327 km (0.038 R)
• M4: 1,460,823 km (0.067 R)
• M5: 2,124,888 km (0.094 R)
• M6: 2,511,599 km (0.088 R)
• M7: 4,175,127 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 8.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2 AU - 2.08 AU

Year: 2011 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,929,239 km

• M1: 111,899 km (0.087 R)
• M2: 429,944 km (0.088 R)
• M3: 1,077,105 km (0.069 R)
• M4: 2,419,297 km (0.063 R)
• M5: 3,801,731 km (0.096 R)
• M6: 5,755,628 km (0.1 R)
• M7: 6,800,420 km (0.089 R)
• M8: 8,131,691 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 8.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.79 AU - 4.33 AU

Year: 4636 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,929,239 km

• M1: 110,852 km (0.11 R)
• M2: 402,568 km (0.118 R)
• M3: 1,453,792 km (0.066 R)
• M4: 2,011,343 km (0.074 R)
• M5: 3,364,007 km (0.102 R)
• M6: 3,761,190 km (0.081 R)
• M7: 4,168,096 km (0.043 R)
• M8: 4,492,574 km (0.118 R)
• M9: 4,951,241 km (0.105 R)
• M10: 5,491,588 km (0.071 R)
• M11: 7,506,821 km (0.103 R)
• M12: 8,287,273 km (0.102 R)
• M13: 8,559,242 km (0.047 R)
• M14: 9,085,079 km (0.105 R)
• M15: 10,474,394 km (0.084 R)
• M16: 12,086,760 km (0.101 R)
• M17: 12,525,381 km (0.062 R)
• M18: 13,528,135 km (0.094 R)
• M19: 14,632,467 km (0.113 R)
• M20: 16,694,674 km (0.061 R)
• M21: 17,129,255 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 10.3

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.44 AU - 5.66 AU

Year: 7833 Days

Day: 9.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,929,239 km

• M1: 128,355 km (0.1 R)
• M2: 1,779,915 km (0.086 R)
• M3: 2,668,527 km (0.114 R)
• M4: 2,995,099 km (0.033 R)
• M5: 4,166,600 km (0.057 R)
• M6: 5,051,621 km (0.111 R)
• M7: 5,555,167 km (0.104 R)
• M8: 5,886,676 km (0.096 R)
• M9: 6,444,826 km (0.1 R)
• M10: 6,999,684 km (0.105 R)
• M11: 7,707,282 km (0.112 R)
• M12: 11,178,551 km (0.032 R)
• M13: 14,121,590 km (0.07 R)
• M14: 18,628,076 km (0.051 R)
• M15: 19,830,993 km (0.101 R)
• M16: 23,750,158 km (0.059 R)
• M17: 34,954,290 km (0.099 R)
• M18: 38,311,117 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 10.2

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.85 AU - 6.27 AU

Year: 7857 Days

Day: 11.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,929,239 km

• M1: 126,859 km (0.111 R)
• M2: 517,609 km (0.117 R)
• M3: 1,261,260 km (0.113 R)
• M4: 1,826,740 km (0.112 R)
• M5: 2,274,636 km (0.118 R)
• M6: 2,613,176 km (0.116 R)
• M7: 2,963,983 km (0.088 R)
• M8: 4,266,082 km (0.092 R)
• M9: 6,090,877 km (0.075 R)
• M10: 7,702,645 km (0.097 R)
• M11: 9,202,064 km (0.093 R)
• M12: 9,533,424 km (0.035 R)
• M13: 12,537,199 km (0.098 R)
• M14: 14,221,821 km (0.074 R)
• M15: 16,052,600 km (0.102 R)
• M16: 16,742,844 km (0.081 R)
• M17: 18,705,718 km (0.113 R)
• M18: 20,575,242 km (0.11 R)
• M19: 21,555,408 km (0.091 R)
• M20: 22,651,810 km (0.112 R)
• M21: 23,083,400 km (0.08 R)
• M22: 26,353,909 km (0.06 R)
• M23: 30,966,610 km (0.071 R)
• M24: 32,799,333 km (0.053 R)
• M25: 34,022,894 km (0.095 R)
• M26: 38,852,811 km (0.076 R)
• M27: 42,141,571 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 12.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.22 AU - 6.02 AU

Year: 7997 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,929,239 km

• M1: 150,495 km (0.106 R)
• M2: 700,417 km (0.049 R)
• M3: 1,110,615 km (0.087 R)
• M4: 1,541,307 km (0.1 R)
• M5: 2,367,835 km (0.111 R)
• M6: 3,118,667 km (0.089 R)
• M7: 3,997,255 km (0.116 R)
• M8: 4,887,961 km (0.094 R)
• M9: 6,039,116 km (0.078 R)
• M10: 6,914,114 km (0.104 R)
• M11: 7,595,084 km (0.077 R)
• M12: 9,539,407 km (0.086 R)
• M13: 10,002,562 km (0.076 R)
• M14: 10,824,603 km (0.062 R)
• M15: 11,848,600 km (0.036 R)
• M16: 13,332,162 km (0.111 R)
• M17: 14,569,037 km (0.053 R)
• M18: 19,027,503 km (0.106 R)
• M19: 23,559,570 km (0.05 R)
• M20: 24,236,351 km (0.119 R)
• M21: 27,166,225 km (0.104 R)
• M22: 27,629,979 km (0.065 R)
• M23: 29,831,162 km (0.106 R)
• M24: 32,561,473 km (0.098 R)
• M25: 33,720,108 km (0.107 R)
• M26: 36,008,207 km (0.041 R)
• M27: 39,691,008 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 15,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit