🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.52 AU - 0.64 AU

Year: 285 Days

Day: 21.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,721,229 km

• M1: 36,502 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.6

Radius: 10.2

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.77 AU - 0.91 AU

Year: 497 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,721,229 km

• M1: 126,859 km (0.095 R)
• M2: 473,028 km (0.092 R)
• M3: 817,403 km (0.1 R)
• M4: 1,194,539 km (0.115 R)
• M5: 1,576,911 km (0.027 R)
• M6: 2,462,531 km (0.034 R)
• M7: 3,546,666 km (0.085 R)
• M8: 4,060,236 km (0.087 R)
• M9: 4,622,724 km (0.117 R)
• M10: 5,136,144 km (0.088 R)
• M11: 5,633,856 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.6

Radius: 10.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.53 AU - 1.83 AU

Year: 1406 Days

Day: 14.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,721,229 km

• M1: 125,662 km (0.083 R)
• M2: 528,529 km (0.093 R)
• M3: 955,631 km (0.107 R)
• M4: 1,338,153 km (0.054 R)
• M5: 2,073,726 km (0.081 R)
• M6: 2,390,424 km (0.076 R)
• M7: 3,201,544 km (0.1 R)
• M8: 3,599,175 km (0.036 R)
• M9: 4,154,632 km (0.059 R)
• M10: 4,766,338 km (0.108 R)
• M11: 5,513,130 km (0.027 R)
• M12: 6,107,483 km (0.083 R)
• M13: 6,656,806 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.8

Radius: 9.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.55 AU - 1.93 AU

Year: 1482 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,721,229 km

• M1: 118,182 km (0.104 R)
• M2: 447,597 km (0.096 R)
• M3: 760,406 km (0.099 R)
• M4: 1,089,820 km (0.051 R)
• M5: 1,713,344 km (0.087 R)
• M6: 2,161,839 km (0.077 R)
• M7: 2,946,031 km (0.115 R)
• M8: 3,423,098 km (0.069 R)
• M9: 4,658,777 km (0.113 R)
• M10: 6,443,330 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.9

Radius: 11.2

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.37 AU - 3.23 AU

Year: 3025 Days

Day: 11.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,721,229 km

• M1: 139,276 km (0.116 R)
• M2: 825,930 km (0.12 R)
• M3: 1,408,015 km (0.075 R)
• M4: 1,950,457 km (0.115 R)
• M5: 2,348,687 km (0.113 R)
• M6: 3,240,439 km (0.062 R)
• M7: 3,784,377 km (0.056 R)
• M8: 4,215,668 km (0.111 R)
• M9: 6,031,487 km (0.11 R)
• M10: 7,158,707 km (0.066 R)
• M11: 10,328,835 km (0.058 R)
• M12: 10,806,950 km (0.112 R)
• M13: 12,023,779 km (0.053 R)
• M14: 15,488,765 km (0.091 R)
• M15: 16,978,311 km (0.12 R)
• M16: 19,269,103 km (0.069 R)
• M17: 20,990,376 km (0.117 R)
• M18: 21,629,309 km (0.092 R)

Asteroid Belt

Center: 3.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.6

Radius: 11.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.62 AU - 4.36 AU

Year: 4210 Days

Day: 13.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,721,229 km

• M1: 154,834 km (0.093 R)
• M2: 545,135 km (0.102 R)
• M3: 915,838 km (0.101 R)
• M4: 1,376,151 km (0.058 R)
• M5: 2,428,721 km (0.095 R)
• M6: 2,864,350 km (0.096 R)
• M7: 3,558,634 km (0.097 R)
• M8: 4,450,985 km (0.112 R)
• M9: 4,938,226 km (0.028 R)
• M10: 5,460,921 km (0.081 R)
• M11: 5,910,911 km (0.11 R)
• M12: 6,706,173 km (0.08 R)
• M13: 7,507,270 km (0.086 R)
• M14: 7,931,230 km (0.117 R)
• M15: 10,415,602 km (0.088 R)
• M16: 10,985,271 km (0.084 R)
• M17: 12,819,640 km (0.113 R)
• M18: 14,348,530 km (0.074 R)
• M19: 15,156,957 km (0.12 R)
• M20: 17,537,059 km (0.114 R)
• M21: 18,110,917 km (0.106 R)
• M22: 19,969,969 km (0.045 R)
• M23: 20,469,776 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 8.1

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.8 AU - 4.3 AU

Year: 4319 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,721,229 km

• M1: 125,363 km (0.079 R)
• M2: 433,684 km (0.089 R)
• M3: 706,401 km (0.046 R)
• M4: 1,027,887 km (0.078 R)
• M5: 1,908,121 km (0.117 R)
• M6: 2,763,970 km (0.08 R)
• M7: 3,599,624 km (0.104 R)
• M8: 4,767,834 km (0.078 R)
• M9: 5,647,469 km (0.11 R)
• M10: 6,291,338 km (0.119 R)
• M11: 6,789,649 km (0.061 R)
• M12: 7,865,258 km (0.056 R)
• M13: 8,857,690 km (0.104 R)
• M14: 12,623,517 km (0.07 R)
• M15: 13,416,386 km (0.083 R)
• M16: 14,667,174 km (0.091 R)
• M17: 14,937,198 km (0.089 R)
• M18: 15,431,768 km (0.108 R)
• M19: 16,803,880 km (0.09 R)
• M20: 17,159,325 km (0.097 R)
• M21: 22,176,388 km (0.098 R)
• M22: 23,623,598 km (0.106 R)
• M23: 24,902,211 km (0.032 R)
• M24: 25,519,751 km (0.039 R)
• M25: 25,910,800 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.5

Radius: 5.6

Gravity: 23.71 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.75 AU - 7.85 AU

Year: 11449 Days

Day: 16.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,721,229 km

• M1: 69,713 km (0.115 R)
• M2: 258,655 km (0.083 R)
• M3: 547,229 km (0.077 R)
• M4: 724,802 km (0.069 R)
• M5: 931,247 km (0.112 R)
• M6: 1,129,464 km (0.057 R)
• M7: 1,355,806 km (0.104 R)
• M8: 1,567,486 km (0.092 R)
• M9: 2,280,620 km (0.081 R)
• M10: 2,731,059 km (0.039 R)
• M11: 3,142,154 km (0.111 R)
• M12: 3,862,617 km (0.078 R)
• M13: 6,719,488 km (0.08 R)
• M14: 6,921,744 km (0.082 R)
• M15: 7,596,729 km (0.041 R)
• M16: 8,085,466 km (0.097 R)
• M17: 8,978,864 km (0.118 R)
• M18: 10,093,368 km (0.071 R)
• M19: 12,170,984 km (0.053 R)
• M20: 15,690,124 km (0.111 R)
• M21: 15,903,450 km (0.082 R)
• M22: 16,263,383 km (0.093 R)
• M23: 18,696,143 km (0.112 R)
• M24: 19,750,360 km (0.092 R)
• M25: 24,269,263 km (0.091 R)
• M26: 26,214,633 km (0.066 R)
• M27: 28,156,862 km (0.093 R)
• M28: 29,539,745 km (0.05 R)
• M29: 37,137,971 km (0.101 R)
• M30: 38,540,750 km (0.07 R)
• M31: 40,110,779 km (0.112 R)
• M32: 41,859,279 km (0.111 R)
• M33: 43,377,847 km (0.053 R)
• M34: 44,932,768 km (0.062 R)
• M35: 52,948,371 km (0.104 R)
• M36: 53,268,062 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.1

Radius: 7.2

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.47 AU - 7.83 AU

Year: 13662 Days

Day: 21.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,721,229 km

• M1: 96,191 km (0.09 R)
• M2: 337,942 km (0.077 R)
• M3: 604,226 km (0.101 R)
• M4: 1,350,420 km (0.1 R)
• M5: 1,792,930 km (0.1 R)
• M6: 2,579,366 km (0.082 R)
• M7: 3,013,649 km (0.056 R)
• M8: 3,826,265 km (0.036 R)
• M9: 4,678,524 km (0.103 R)
• M10: 5,289,631 km (0.112 R)
• M11: 6,146,528 km (0.103 R)
• M12: 6,384,538 km (0.078 R)
• M13: 7,851,794 km (0.12 R)
• M14: 8,419,667 km (0.084 R)
• M15: 8,913,340 km (0.051 R)
• M16: 10,067,488 km (0.112 R)
• M17: 10,567,294 km (0.116 R)
• M18: 11,797,587 km (0.047 R)
• M19: 13,120,631 km (0.099 R)
• M20: 14,680,039 km (0.091 R)
• M21: 18,407,120 km (0.111 R)
• M22: 18,986,363 km (0.094 R)
• M23: 20,007,668 km (0.097 R)
• M24: 20,531,709 km (0.112 R)
• M25: 25,668,601 km (0.07 R)
• M26: 27,769,853 km (0.068 R)
• M27: 28,973,218 km (0.114 R)
• M28: 33,033,005 km (0.059 R)
• M29: 39,878,155 km (0.092 R)
• M30: 42,833,012 km (0.093 R)
• M31: 43,266,696 km (0.108 R)
• M32: 45,479,249 km (0.069 R)
• M33: 53,398,062 km (0.117 R)
• M34: 60,177,239 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 19,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit