🌌 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: 650.2

Radius: 9.8

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.74 AU - 0.94 AU

Year: 531 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,260,035 km

• M1: 121,922 km (0.034 R)
• M2: 663,616 km (0.048 R)
• M3: 988,992 km (0.064 R)
• M4: 1,471,145 km (0.076 R)
• M5: 1,819,409 km (0.106 R)
• M6: 2,204,474 km (0.094 R)
• M7: 2,643,843 km (0.111 R)
• M8: 2,991,209 km (0.082 R)
• M9: 3,739,199 km (0.065 R)
• M10: 4,178,867 km (0.089 R)
• M11: 4,729,985 km (0.113 R)
• M12: 5,211,840 km (0.115 R)
• M13: 6,255,285 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 8.6

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.17 AU - 1.19 AU

Year: 885 Days

Day: 10.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,260,035 km

• M1: 107,112 km (0.087 R)
• M2: 394,340 km (0.117 R)
• M3: 685,906 km (0.036 R)
• M4: 1,201,570 km (0.11 R)
• M5: 1,699,133 km (0.098 R)
• M6: 2,086,292 km (0.087 R)
• M7: 2,531,346 km (0.111 R)
• M8: 2,833,084 km (0.089 R)
• M9: 3,145,445 km (0.067 R)
• M10: 4,092,699 km (0.057 R)
• M11: 4,407,602 km (0.118 R)
• M12: 5,105,177 km (0.09 R)
• M13: 5,771,785 km (0.034 R)
• M14: 6,809,845 km (0.082 R)
• M15: 7,301,274 km (0.09 R)
• M16: 7,617,224 km (0.079 R)
• M17: 7,916,869 km (0.097 R)
• M18: 8,646,907 km (0.065 R)
• M19: 9,650,708 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.1

Radius: 11.3

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.05 AU - 1.57 AU

Year: 1035 Days

Day: 13.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,260,035 km

• M1: 141,071 km (0.109 R)
• M2: 712,535 km (0.072 R)
• M3: 1,100,592 km (0.111 R)
• M4: 2,037,673 km (0.107 R)
• M5: 2,475,246 km (0.12 R)
• M6: 2,860,610 km (0.064 R)
• M7: 3,244,927 km (0.053 R)
• M8: 3,754,009 km (0.103 R)
• M9: 4,328,614 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.1

Radius: 11.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.44 AU - 2.1 AU

Year: 1625 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,260,035 km

• M1: 138,378 km (0.07 R)
• M2: 559,795 km (0.073 R)
• M3: 1,003,054 km (0.056 R)
• M4: 1,603,540 km (0.091 R)
• M5: 1,982,022 km (0.028 R)
• M6: 2,478,687 km (0.093 R)
• M7: 2,990,312 km (0.113 R)
• M8: 5,447,906 km (0.1 R)
• M9: 5,839,702 km (0.099 R)
• M10: 6,542,513 km (0.115 R)
• M11: 6,938,349 km (0.099 R)
• M12: 7,374,876 km (0.093 R)
• M13: 8,037,744 km (0.082 R)
• M14: 8,574,352 km (0.086 R)
• M15: 9,020,752 km (0.081 R)
• M16: 9,600,443 km (0.102 R)
• M17: 10,328,835 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 11.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.75 AU - 4.49 AU

Year: 4754 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,260,035 km

• M1: 146,756 km (0.087 R)
• M2: 556,354 km (0.103 R)
• M3: 946,805 km (0.053 R)
• M4: 1,633,758 km (0.12 R)
• M5: 2,047,845 km (0.091 R)
• M6: 2,548,699 km (0.09 R)
• M7: 3,629,394 km (0.114 R)
• M8: 4,134,586 km (0.092 R)
• M9: 4,711,435 km (0.098 R)
• M10: 5,396,294 km (0.077 R)
• M11: 5,791,981 km (0.082 R)
• M12: 6,453,203 km (0.102 R)
• M13: 6,965,127 km (0.093 R)
• M14: 7,400,906 km (0.088 R)
• M15: 9,901,733 km (0.106 R)
• M16: 13,323,336 km (0.07 R)
• M17: 14,102,292 km (0.103 R)
• M18: 14,692,605 km (0.079 R)
• M19: 15,355,473 km (0.114 R)
• M20: 16,386,801 km (0.068 R)
• M21: 18,207,706 km (0.089 R)
• M22: 19,102,003 km (0.114 R)
• M23: 19,692,316 km (0.104 R)
• M24: 21,961,267 km (0.105 R)
• M25: 24,170,678 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992

Radius: 8.8

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.42 AU - 5.46 AU

Year: 7579 Days

Day: 8.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,260,035 km

• M1: 125,513 km (0.067 R)
• M2: 803,640 km (0.109 R)
• M3: 1,183,618 km (0.102 R)
• M4: 1,681,779 km (0.089 R)
• M5: 1,988,305 km (0.102 R)
• M6: 2,675,708 km (0.09 R)
• M7: 3,393,777 km (0.089 R)
• M8: 4,289,869 km (0.109 R)
• M9: 5,082,737 km (0.047 R)
• M10: 6,039,715 km (0.055 R)
• M11: 7,269,559 km (0.106 R)
• M12: 9,871,515 km (0.109 R)
• M13: 10,216,637 km (0.077 R)
• M14: 10,878,907 km (0.094 R)
• M15: 11,569,451 km (0.08 R)
• M16: 12,573,551 km (0.112 R)
• M17: 15,666,637 km (0.038 R)
• M18: 17,034,560 km (0.033 R)
• M19: 26,196,083 km (0.097 R)
• M20: 35,932,212 km (0.046 R)
• M21: 36,985,680 km (0.116 R)
• M22: 38,909,359 km (0.073 R)
• M23: 41,790,016 km (0.077 R)
• M24: 42,954,934 km (0.087 R)
• M25: 43,611,370 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.6

Radius: 6.1

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.06 AU - 6.52 AU

Year: 9617 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,260,035 km

• M1: 75,846 km (0.104 R)
• M2: 317,746 km (0.035 R)
• M3: 609,462 km (0.116 R)
• M4: 834,457 km (0.09 R)
• M5: 1,357,002 km (0.069 R)
• M6: 2,898,908 km (0.082 R)
• M7: 3,406,493 km (0.066 R)
• M8: 4,654,139 km (0.098 R)
• M9: 5,412,451 km (0.073 R)
• M10: 6,829,741 km (0.065 R)
• M11: 7,365,601 km (0.109 R)
• M12: 10,080,952 km (0.113 R)
• M13: 10,424,279 km (0.107 R)
• M14: 11,186,031 km (0.112 R)
• M15: 11,714,261 km (0.116 R)
• M16: 12,203,596 km (0.1 R)
• M17: 12,991,827 km (0.096 R)
• M18: 16,151,334 km (0.077 R)
• M19: 18,158,638 km (0.109 R)
• M20: 18,666,822 km (0.054 R)
• M21: 19,409,426 km (0.088 R)
• M22: 20,403,953 km (0.119 R)
• M23: 22,744,262 km (0.095 R)
• M24: 25,437,472 km (0.093 R)
• M25: 25,708,843 km (0.103 R)
• M26: 28,239,141 km (0.084 R)
• M27: 30,015,317 km (0.097 R)
• M28: 32,179,998 km (0.1 R)
• M29: 33,354,491 km (0.049 R)
• M30: 35,449,908 km (0.102 R)
• M31: 38,457,274 km (0.103 R)
• M32: 38,814,813 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit