🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.7

Radius: 12.1

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.97 AU - 1.05 AU

Year: 645 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,831,193 km

• M1: 150,944 km (0.102 R)
• M2: 546,331 km (0.076 R)
• M3: 984,803 km (0.083 R)
• M4: 1,882,240 km (0.097 R)
• M5: 2,334,475 km (0.072 R)
• M6: 2,801,071 km (0.114 R)
• M7: 3,355,929 km (0.115 R)
• M8: 4,209,385 km (0.096 R)
• M9: 4,974,578 km (0.062 R)
• M10: 5,491,738 km (0.087 R)
• M11: 6,024,905 km (0.064 R)
• M12: 6,634,217 km (0.099 R)
• M13: 7,261,929 km (0.074 R)
• M14: 7,648,042 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.8

Radius: 10.3

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.4 AU - 2.16 AU

Year: 1510 Days

Day: 13.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,831,193 km

• M1: 137,480 km (0.097 R)
• M2: 580,440 km (0.095 R)
• M3: 1,119,590 km (0.118 R)
• M4: 2,569,194 km (0.039 R)
• M5: 3,050,749 km (0.071 R)
• M6: 3,848,854 km (0.113 R)
• M7: 5,022,150 km (0.032 R)
• M8: 6,460,982 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 12.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.98 AU - 3.36 AU

Year: 3589 Days

Day: 6.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,831,193 km

• M1: 153,039 km (0.083 R)
• M2: 1,217,876 km (0.107 R)
• M3: 3,015,594 km (0.094 R)
• M4: 3,884,608 km (0.09 R)
• M5: 6,883,297 km (0.059 R)
• M6: 8,106,110 km (0.103 R)
• M7: 8,544,282 km (0.035 R)
• M8: 9,164,515 km (0.103 R)
• M9: 10,790,644 km (0.11 R)
• M10: 11,437,954 km (0.085 R)
• M11: 15,399,904 km (0.116 R)
• M12: 16,319,333 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 10.6

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.1 AU - 4.32 AU

Year: 4544 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,831,193 km

• M1: 132,843 km (0.078 R)
• M2: 509,830 km (0.083 R)
• M3: 855,999 km (0.104 R)
• M4: 1,427,762 km (0.083 R)
• M5: 1,906,774 km (0.084 R)
• M6: 2,255,337 km (0.119 R)
• M7: 3,707,933 km (0.108 R)
• M8: 4,436,923 km (0.073 R)
• M9: 5,413,797 km (0.114 R)
• M10: 7,890,390 km (0.096 R)
• M11: 8,800,843 km (0.116 R)
• M12: 9,433,193 km (0.038 R)
• M13: 9,779,961 km (0.087 R)
• M14: 10,255,682 km (0.115 R)
• M15: 10,872,025 km (0.032 R)
• M16: 11,469,370 km (0.045 R)
• M17: 12,133,434 km (0.117 R)
• M18: 14,789,993 km (0.085 R)
• M19: 16,893,938 km (0.064 R)
• M20: 20,831,653 km (0.066 R)
• M21: 21,223,450 km (0.077 R)
• M22: 23,678,501 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 10.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.94 AU - 4.06 AU

Year: 5087 Days

Day: 10 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,831,193 km

• M1: 129,402 km (0.076 R)
• M2: 506,987 km (0.082 R)
• M3: 974,331 km (0.07 R)
• M4: 1,403,677 km (0.081 R)
• M5: 1,787,844 km (0.067 R)
• M6: 2,654,614 km (0.062 R)
• M7: 3,216,205 km (0.071 R)
• M8: 3,651,684 km (0.096 R)
• M9: 4,246,186 km (0.058 R)
• M10: 4,859,537 km (0.108 R)
• M11: 5,531,082 km (0.052 R)
• M12: 6,029,393 km (0.117 R)
• M13: 6,721,732 km (0.105 R)
• M14: 7,116,072 km (0.051 R)
• M15: 7,797,490 km (0.112 R)
• M16: 9,959,628 km (0.111 R)
• M17: 10,287,696 km (0.097 R)
• M18: 11,915,321 km (0.098 R)
• M19: 12,662,861 km (0.109 R)
• M20: 14,762,767 km (0.087 R)
• M21: 16,571,555 km (0.111 R)

Asteroid Belt

Center: 5.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.4

Radius: 3.6

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.57 AU - 7.03 AU

Year: 10054 Days

Day: 20.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,831,193 km

• M1: 265,536 km (0.11 R)
• M2: 571,913 km (0.093 R)
• M3: 819,048 km (0.096 R)
• M4: 1,142,479 km (0.11 R)
• M5: 1,359,545 km (0.069 R)
• M6: 4,446,946 km (0.077 R)
• M7: 6,151,016 km (0.117 R)
• M8: 6,386,931 km (0.117 R)
• M9: 9,472,986 km (0.083 R)
• M10: 17,518,210 km (0.098 R)
• M11: 20,424,896 km (0.1 R)
• M12: 23,494,196 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.4

Radius: 3.3

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.72 AU - 7.94 AU

Year: 11349 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,831,193 km

• M1: 160,369 km (0.116 R)
• M2: 300,093 km (0.089 R)
• M3: 454,030 km (0.089 R)
• M4: 799,451 km (0.044 R)
• M5: 2,082,402 km (0.105 R)
• M6: 4,666,257 km (0.06 R)
• M7: 9,157,035 km (0.099 R)
• M8: 10,096,360 km (0.069 R)
• M9: 12,314,897 km (0.1 R)
• M10: 16,863,719 km (0.072 R)
• M11: 18,007,544 km (0.077 R)
• M12: 20,946,993 km (0.089 R)
• M13: 25,725,149 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273

Radius: 4.3

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.13 AU - 7.75 AU

Year: 11624 Days

Day: 15.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 58 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,831,193 km

• M1: 54,005 km (0.108 R)
• M2: 190,288 km (0.06 R)
• M3: 365,019 km (0.111 R)
• M4: 502,948 km (0.059 R)
• M5: 714,479 km (0.091 R)
• M6: 955,033 km (0.115 R)
• M7: 1,115,551 km (0.034 R)
• M8: 1,947,166 km (0.097 R)
• M9: 2,310,689 km (0.103 R)
• M10: 2,453,555 km (0.034 R)
• M11: 3,001,083 km (0.099 R)
• M12: 3,149,783 km (0.058 R)
• M13: 3,439,255 km (0.07 R)
• M14: 3,943,849 km (0.114 R)
• M15: 4,980,113 km (0.109 R)
• M16: 5,341,990 km (0.087 R)
• M17: 6,288,496 km (0.105 R)
• M18: 6,497,484 km (0.064 R)
• M19: 7,152,424 km (0.101 R)
• M20: 7,457,155 km (0.084 R)
• M21: 7,612,736 km (0.095 R)
• M22: 8,507,631 km (0.08 R)
• M23: 12,244,885 km (0.096 R)
• M24: 12,791,516 km (0.065 R)
• M25: 13,933,246 km (0.119 R)
• M26: 15,453,909 km (0.12 R)
• M27: 15,898,663 km (0.112 R)
• M28: 17,763,550 km (0.117 R)
• M29: 19,109,034 km (0.061 R)
• M30: 25,346,218 km (0.118 R)
• M31: 26,143,125 km (0.058 R)
• M32: 34,832,817 km (0.084 R)
• M33: 37,955,673 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.2

Radius: 4.3

Gravity: 39.22 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.1 AU - 10.36 AU

Year: 17829 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,831,193 km

• M1: 53,406 km (0.091 R)
• M2: 286,181 km (0.114 R)
• M3: 507,885 km (0.091 R)
• M4: 737,368 km (0.091 R)
• M5: 926,759 km (0.1 R)
• M6: 2,150,619 km (0.094 R)
• M7: 2,975,352 km (0.115 R)
• M8: 4,213,723 km (0.103 R)
• M9: 4,377,084 km (0.057 R)
• M10: 6,770,201 km (0.082 R)
• M11: 7,697,558 km (0.08 R)
• M12: 7,991,518 km (0.083 R)
• M13: 9,025,688 km (0.084 R)
• M14: 10,499,377 km (0.098 R)
• M15: 11,044,811 km (0.059 R)
• M16: 12,191,927 km (0.081 R)
• M17: 13,346,224 km (0.06 R)
• M18: 15,791,252 km (0.039 R)
• M19: 21,257,259 km (0.063 R)
• M20: 26,180,226 km (0.091 R)
• M21: 27,861,706 km (0.072 R)
• M22: 30,334,708 km (0.071 R)
• M23: 31,936,752 km (0.106 R)
• M24: 34,246,842 km (0.12 R)
• M25: 35,174,648 km (0.118 R)
• M26: 37,497,005 km (0.114 R)
• M27: 38,482,407 km (0.103 R)
• M28: 39,919,743 km (0.086 R)
• M29: 40,504,521 km (0.11 R)
• M30: 45,867,605 km (0.102 R)
• M31: 47,809,983 km (0.062 R)
• M32: 55,220,015 km (0.102 R)
• M33: 56,494,439 km (0.106 R)
• M34: 66,786,174 km (0.076 R)
• M35: 67,817,053 km (0.079 R)
• M36: 69,699,294 km (0.073 R)
• M37: 70,973,269 km (0.084 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 19,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit