🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 11.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.82 AU - 0.94 AU

Year: 542 Days

Day: 13.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,546,941 km

• M1: 146,756 km (0.119 R)
• M2: 517,908 km (0.113 R)
• M3: 959,670 km (0.042 R)
• M4: 1,358,498 km (0.073 R)
• M5: 1,826,590 km (0.118 R)
• M6: 2,289,595 km (0.065 R)
• M7: 2,733,153 km (0.068 R)
• M8: 3,617,277 km (0.107 R)
• M9: 4,571,861 km (0.109 R)
• M10: 5,012,725 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.1

Radius: 13.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.16 AU - 1.22 AU

Year: 852 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,546,941 km

• M1: 169,794 km (0.05 R)
• M2: 696,378 km (0.051 R)
• M3: 1,143,825 km (0.048 R)
• M4: 1,764,956 km (0.103 R)
• M5: 2,270,896 km (0.102 R)
• M6: 3,027,412 km (0.05 R)
• M7: 3,626,252 km (0.041 R)
• M8: 4,154,782 km (0.119 R)
• M9: 5,685,766 km (0.091 R)
• M10: 6,142,937 km (0.05 R)
• M11: 6,737,738 km (0.11 R)
• M12: 8,920,072 km (0.046 R)
• M13: 9,597,302 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 9.5

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.21 AU - 1.39 AU

Year: 972 Days

Day: 9.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,546,941 km

• M1: 118,182 km (0.119 R)
• M2: 469,887 km (0.061 R)
• M3: 824,733 km (0.078 R)
• M4: 1,139,936 km (0.109 R)
• M5: 1,439,580 km (0.056 R)
• M6: 2,056,821 km (0.036 R)
• M7: 2,358,410 km (0.082 R)
• M8: 3,025,467 km (0.116 R)
• M9: 3,766,126 km (0.108 R)
• M10: 4,120,973 km (0.1 R)
• M11: 5,302,347 km (0.053 R)
• M12: 5,960,727 km (0.115 R)
• M13: 6,557,922 km (0.084 R)
• M14: 6,977,693 km (0.071 R)
• M15: 7,540,331 km (0.053 R)
• M16: 8,453,925 km (0.071 R)
• M17: 10,067,039 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.2

Radius: 10.6

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.59 AU - 2.61 AU

Year: 2750 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,546,941 km

• M1: 131,945 km (0.1 R)
• M2: 479,910 km (0.111 R)
• M3: 1,008,888 km (0.062 R)
• M4: 1,547,141 km (0.096 R)
• M5: 2,161,839 km (0.076 R)
• M6: 2,835,478 km (0.087 R)
• M7: 3,740,096 km (0.099 R)
• M8: 4,270,271 km (0.098 R)
• M9: 4,943,761 km (0.07 R)
• M10: 5,356,053 km (0.118 R)
• M11: 6,085,193 km (0.092 R)
• M12: 7,088,246 km (0.105 R)
• M13: 7,519,088 km (0.111 R)
• M14: 7,869,746 km (0.051 R)
• M15: 9,420,028 km (0.095 R)
• M16: 10,560,862 km (0.108 R)
• M17: 11,834,089 km (0.097 R)
• M18: 14,051,130 km (0.07 R)
• M19: 15,743,680 km (0.115 R)
• M20: 16,108,250 km (0.098 R)
• M21: 16,692,729 km (0.114 R)
• M22: 20,439,407 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 9.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.54 AU - 2.72 AU

Year: 2798 Days

Day: 6.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,546,941 km

• M1: 114,742 km (0.093 R)
• M2: 411,095 km (0.082 R)
• M3: 737,368 km (0.12 R)
• M4: 1,103,733 km (0.109 R)
• M5: 1,471,445 km (0.077 R)
• M6: 1,944,174 km (0.067 R)
• M7: 2,242,921 km (0.073 R)
• M8: 2,719,540 km (0.037 R)
• M9: 3,262,580 km (0.055 R)
• M10: 3,876,081 km (0.115 R)
• M11: 5,237,870 km (0.101 R)
• M12: 5,797,665 km (0.117 R)
• M13: 8,059,884 km (0.106 R)
• M14: 10,139,594 km (0.084 R)
• M15: 10,854,522 km (0.087 R)
• M16: 11,204,581 km (0.055 R)
• M17: 11,723,836 km (0.056 R)
• M18: 12,342,572 km (0.052 R)
• M19: 12,939,767 km (0.086 R)
• M20: 14,376,804 km (0.1 R)
• M21: 16,986,539 km (0.103 R)
• M22: 18,375,406 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 8.4

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.55 AU - 3.33 AU

Year: 3307 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,546,941 km

• M1: 104,419 km (0.051 R)
• M2: 381,475 km (0.083 R)
• M3: 642,822 km (0.112 R)
• M4: 945,459 km (0.12 R)
• M5: 1,408,464 km (0.083 R)
• M6: 1,830,031 km (0.105 R)
• M7: 2,927,032 km (0.056 R)
• M8: 3,439,554 km (0.094 R)
• M9: 4,049,614 km (0.088 R)
• M10: 4,579,490 km (0.106 R)
• M11: 4,861,332 km (0.105 R)
• M12: 5,556,514 km (0.049 R)
• M13: 6,184,974 km (0.12 R)
• M14: 6,972,458 km (0.066 R)
• M15: 7,493,956 km (0.108 R)
• M16: 8,292,659 km (0.105 R)
• M17: 8,911,396 km (0.07 R)
• M18: 9,386,668 km (0.114 R)
• M19: 10,351,125 km (0.11 R)
• M20: 14,089,576 km (0.071 R)
• M21: 16,636,779 km (0.097 R)
• M22: 17,778,809 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.7

Radius: 12.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.03 AU - 4.59 AU

Year: 4879 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,546,941 km

• M1: 156,779 km (0.097 R)
• M2: 605,871 km (0.12 R)
• M3: 1,056,610 km (0.083 R)
• M4: 2,145,084 km (0.101 R)
• M5: 3,101,164 km (0.113 R)
• M6: 3,834,193 km (0.066 R)
• M7: 4,299,892 km (0.086 R)
• M8: 6,492,996 km (0.094 R)
• M9: 8,150,092 km (0.102 R)
• M10: 10,365,038 km (0.063 R)
• M11: 12,283,032 km (0.036 R)
• M12: 13,152,196 km (0.101 R)
• M13: 13,652,750 km (0.074 R)
• M14: 17,760,558 km (0.068 R)
• M15: 19,061,761 km (0.063 R)
• M16: 20,226,829 km (0.12 R)
• M17: 20,759,547 km (0.072 R)
• M18: 21,714,580 km (0.038 R)
• M19: 24,679,909 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.7

Radius: 3.6

Gravity: 66.8 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.7 AU - 6.82 AU

Year: 10275 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,546,941 km

• M1: 87,216 km (0.075 R)
• M2: 290,369 km (0.111 R)
• M3: 505,641 km (0.054 R)
• M4: 677,978 km (0.114 R)
• M5: 898,634 km (0.117 R)
• M6: 1,025,942 km (0.103 R)
• M7: 1,412,054 km (0.105 R)
• M8: 1,615,507 km (0.11 R)
• M9: 3,148,287 km (0.085 R)
• M10: 3,758,946 km (0.086 R)
• M11: 4,006,979 km (0.075 R)
• M12: 4,354,794 km (0.085 R)
• M13: 5,659,587 km (0.097 R)
• M14: 6,517,231 km (0.072 R)
• M15: 6,875,369 km (0.069 R)
• M16: 7,674,072 km (0.081 R)
• M17: 9,009,382 km (0.086 R)
• M18: 11,894,676 km (0.046 R)
• M19: 12,732,275 km (0.087 R)
• M20: 13,865,927 km (0.077 R)
• M21: 14,192,350 km (0.038 R)
• M22: 15,065,254 km (0.104 R)
• M23: 16,991,177 km (0.049 R)
• M24: 19,235,893 km (0.099 R)
• M25: 21,065,026 km (0.089 R)
• M26: 21,670,448 km (0.099 R)
• M27: 28,586,358 km (0.102 R)
• M28: 30,849,923 km (0.078 R)
• M29: 33,230,175 km (0.116 R)
• M30: 43,002,806 km (0.079 R)
• M31: 51,668,861 km (0.06 R)
• M32: 52,452,604 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.5

Radius: 7.4

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9 AU - 9.04 AU

Year: 17771 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,546,941 km

• M1: 92,601 km (0.102 R)
• M2: 387,309 km (0.06 R)
• M3: 639,381 km (0.075 R)
• M4: 1,004,998 km (0.113 R)
• M5: 2,082,103 km (0.082 R)
• M6: 3,225,629 km (0.103 R)
• M7: 3,725,436 km (0.045 R)
• M8: 5,237,870 km (0.113 R)
• M9: 5,575,812 km (0.082 R)
• M10: 6,008,449 km (0.116 R)
• M11: 7,442,045 km (0.062 R)
• M12: 8,567,171 km (0.114 R)
• M13: 9,197,277 km (0.104 R)
• M14: 9,468,797 km (0.042 R)
• M15: 11,211,912 km (0.075 R)
• M16: 13,296,109 km (0.058 R)
• M17: 13,573,613 km (0.112 R)
• M18: 13,996,975 km (0.101 R)
• M19: 14,944,827 km (0.06 R)
• M20: 19,078,216 km (0.099 R)
• M21: 20,150,983 km (0.059 R)
• M22: 20,425,345 km (0.073 R)
• M23: 22,514,031 km (0.068 R)
• M24: 23,107,635 km (0.101 R)
• M25: 27,782,868 km (0.064 R)
• M26: 33,306,171 km (0.105 R)
• M27: 33,561,684 km (0.117 R)
• M28: 34,206,152 km (0.099 R)
• M29: 41,700,855 km (0.103 R)
• M30: 50,052,605 km (0.079 R)
• M31: 50,724,599 km (0.112 R)
• M32: 52,258,875 km (0.057 R)
• M33: 53,473,310 km (0.12 R)
• M34: 55,598,946 km (0.066 R)
• M35: 59,640,931 km (0.034 R)
• M36: 68,510,290 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 11,906 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit