🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 8.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.68 AU - 1 AU

Year: 505 Days

Day: 12.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,031,996 km

• M1: 111,450 km (0.114 R)
• M2: 488,587 km (0.069 R)
• M3: 850,763 km (0.104 R)
• M4: 1,168,958 km (0.107 R)
• M5: 1,942,229 km (0.107 R)
• M6: 2,622,151 km (0.111 R)
• M7: 3,563,122 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.6

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.09 AU

Year: 579 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,031,996 km

• M1: 186,848 km (0.116 R)
• M2: 1,095,804 km (0.112 R)
• M3: 1,637,049 km (0.086 R)
• M4: 2,113,070 km (0.102 R)
• M5: 2,809,298 km (0.102 R)
• M6: 3,279,036 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326

Radius: 9.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.08 AU - 1.74 AU

Year: 1098 Days

Day: 10.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,031,996 km

• M1: 121,922 km (0.088 R)
• M2: 494,122 km (0.108 R)
• M3: 832,811 km (0.03 R)
• M4: 1,192,295 km (0.046 R)
• M5: 1,664,127 km (0.102 R)
• M6: 2,288,249 km (0.079 R)
• M7: 2,853,280 km (0.086 R)
• M8: 3,386,447 km (0.107 R)
• M9: 4,246,186 km (0.093 R)
• M10: 4,685,405 km (0.088 R)
• M11: 4,994,774 km (0.087 R)
• M12: 5,484,856 km (0.067 R)
• M13: 6,066,493 km (0.115 R)
• M14: 6,774,988 km (0.083 R)
• M15: 7,353,334 km (0.111 R)
• M16: 7,796,293 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.3

Radius: 12.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.33 AU - 1.91 AU

Year: 1353 Days

Day: 5.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,031,996 km

• M1: 156,031 km (0.078 R)
• M2: 548,875 km (0.088 R)
• M3: 1,572,423 km (0.11 R)
• M4: 2,212,702 km (0.095 R)
• M5: 2,671,369 km (0.059 R)
• M6: 3,121,060 km (0.107 R)
• M7: 3,685,493 km (0.111 R)
• M8: 4,087,313 km (0.089 R)
• M9: 4,726,545 km (0.112 R)
• M10: 5,243,705 km (0.107 R)
• M11: 5,864,835 km (0.104 R)
• M12: 6,298,220 km (0.102 R)
• M13: 7,101,710 km (0.072 R)
• M14: 8,194,074 km (0.095 R)
• M15: 9,958,281 km (0.099 R)
• M16: 10,777,629 km (0.071 R)
• M17: 12,365,162 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.5

Radius: 9.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.05 AU - 2.23 AU

Year: 2054 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,031,996 km

• M1: 114,742 km (0.072 R)
• M2: 1,524,103 km (0.096 R)
• M3: 1,925,175 km (0.113 R)
• M4: 2,383,692 km (0.108 R)
• M5: 3,214,559 km (0.116 R)
• M6: 4,262,642 km (0.094 R)
• M7: 4,576,049 km (0.116 R)
• M8: 6,287,000 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 14.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.22 AU - 2.96 AU

Year: 2734 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,031,996 km

• M1: 177,423 km (0.092 R)
• M2: 638,484 km (0.094 R)
• M3: 1,157,588 km (0.118 R)
• M4: 1,622,688 km (0.115 R)
• M5: 2,671,070 km (0.085 R)
• M6: 3,128,989 km (0.064 R)
• M7: 3,810,707 km (0.073 R)
• M8: 4,376,037 km (0.09 R)
• M9: 5,209,895 km (0.054 R)
• M10: 5,699,529 km (0.044 R)
• M11: 6,269,048 km (0.105 R)
• M12: 7,718,652 km (0.089 R)
• M13: 8,417,124 km (0.036 R)
• M14: 12,720,008 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 14.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.32 AU - 5 AU

Year: 6599 Days

Day: 11.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,031,996 km

• M1: 185,801 km (0.054 R)
• M2: 693,835 km (0.032 R)
• M3: 1,189,602 km (0.09 R)
• M4: 1,821,952 km (0.087 R)
• M5: 2,354,970 km (0.034 R)
• M6: 3,643,905 km (0.102 R)
• M7: 4,166,002 km (0.115 R)
• M8: 6,839,764 km (0.117 R)
• M9: 8,324,523 km (0.112 R)
• M10: 9,856,405 km (0.092 R)
• M11: 12,613,045 km (0.117 R)
• M12: 15,098,614 km (0.078 R)
• M13: 15,578,524 km (0.113 R)
• M14: 18,013,678 km (0.035 R)
• M15: 22,162,177 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.7

Radius: 10.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.3 AU - 6.38 AU

Year: 8095 Days

Day: 7.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,031,996 km

• M1: 134,937 km (0.117 R)
• M2: 572,960 km (0.116 R)
• M3: 1,055,862 km (0.059 R)
• M4: 1,510,490 km (0.078 R)
• M5: 1,918,892 km (0.102 R)
• M6: 2,494,245 km (0.087 R)
• M7: 3,818,785 km (0.111 R)
• M8: 4,281,641 km (0.114 R)
• M9: 4,732,529 km (0.1 R)
• M10: 6,101,798 km (0.075 R)
• M11: 6,581,558 km (0.048 R)
• M12: 7,961,449 km (0.09 R)
• M13: 8,719,761 km (0.104 R)
• M14: 9,966,809 km (0.119 R)
• M15: 11,329,196 km (0.068 R)
• M16: 11,779,486 km (0.112 R)
• M17: 14,057,413 km (0.115 R)
• M18: 17,671,398 km (0.097 R)
• M19: 18,709,906 km (0.12 R)
• M20: 20,707,936 km (0.098 R)
• M21: 21,043,035 km (0.104 R)
• M22: 21,449,941 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608

Radius: 4.4

Gravity: 31.4 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.03 AU - 6.07 AU

Year: 9762 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,031,996 km

• M1: 56,099 km (0.095 R)
• M2: 254,466 km (0.106 R)
• M3: 1,006,644 km (0.043 R)
• M4: 1,772,136 km (0.039 R)
• M5: 2,046,349 km (0.12 R)
• M6: 3,505,976 km (0.113 R)
• M7: 6,239,129 km (0.095 R)
• M8: 8,572,706 km (0.104 R)
• M9: 10,230,849 km (0.034 R)
• M10: 14,228,403 km (0.069 R)
• M11: 14,799,568 km (0.1 R)
• M12: 20,324,965 km (0.045 R)
• M13: 21,956,779 km (0.115 R)
• M14: 30,075,605 km (0.062 R)
• M15: 30,909,463 km (0.119 R)
• M16: 31,758,730 km (0.087 R)
• M17: 33,614,642 km (0.11 R)
• M18: 34,967,305 km (0.106 R)
• M19: 35,196,340 km (0.029 R)
• M20: 38,385,617 km (0.085 R)
• M21: 41,122,510 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.9

Radius: 4.3

Gravity: 20.55 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.5 AU - 11.18 AU

Year: 20249 Days

Day: 23.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,031,996 km

• M1: 53,556 km (0.074 R)
• M2: 253,568 km (0.08 R)
• M3: 696,976 km (0.12 R)
• M4: 1,122,582 km (0.117 R)
• M5: 2,463,877 km (0.069 R)
• M6: 2,707,721 km (0.083 R)
• M7: 2,871,082 km (0.05 R)
• M8: 3,675,470 km (0.109 R)
• M9: 3,876,230 km (0.059 R)
• M10: 4,144,908 km (0.116 R)
• M11: 5,025,890 km (0.073 R)
• M12: 5,716,284 km (0.111 R)
• M13: 6,426,575 km (0.104 R)
• M14: 8,358,631 km (0.095 R)
• M15: 9,376,495 km (0.035 R)
• M16: 9,536,116 km (0.105 R)
• M17: 9,751,537 km (0.117 R)
• M18: 11,594,284 km (0.094 R)
• M19: 12,726,590 km (0.114 R)
• M20: 13,725,006 km (0.083 R)
• M21: 15,876,224 km (0.119 R)
• M22: 16,562,878 km (0.116 R)
• M23: 18,241,964 km (0.044 R)
• M24: 19,250,703 km (0.111 R)
• M25: 20,295,943 km (0.089 R)
• M26: 21,286,879 km (0.062 R)
• M27: 21,562,588 km (0.088 R)
• M28: 24,654,028 km (0.116 R)
• M29: 27,590,485 km (0.113 R)
• M30: 31,340,754 km (0.109 R)
• M31: 31,937,051 km (0.112 R)
• M32: 32,177,754 km (0.111 R)
• M33: 36,063,708 km (0.115 R)
• M34: 39,971,803 km (0.096 R)
• M35: 40,532,047 km (0.118 R)
• M36: 42,099,683 km (0.079 R)
• M37: 42,825,382 km (0.089 R)
• M38: 48,615,867 km (0.051 R)
• M39: 48,934,361 km (0.095 R)
• M40: 60,976,541 km (0.052 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 18,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit