🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.1

Radius: 8.7

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.88 AU - 0.98 AU

Year: 598 Days

Day: 11.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,908,561 km

• M1: 108,159 km (0.1 R)
• M2: 489,335 km (0.097 R)
• M3: 855,700 km (0.067 R)
• M4: 1,140,534 km (0.085 R)
• M5: 1,489,845 km (0.063 R)
• M6: 1,932,655 km (0.049 R)
• M7: 2,407,927 km (0.086 R)
• M8: 2,711,910 km (0.115 R)
• M9: 2,990,013 km (0.078 R)
• M10: 3,386,896 km (0.038 R)
• M11: 3,734,112 km (0.037 R)
• M12: 4,221,203 km (0.07 R)
• M13: 4,582,632 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.2

Radius: 14

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.04 AU - 1.34 AU

Year: 866 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,908,561 km

• M1: 174,132 km (0.063 R)
• M2: 768,634 km (0.113 R)
• M3: 1,209,050 km (0.074 R)
• M4: 1,997,730 km (0.094 R)
• M5: 2,719,240 km (0.107 R)
• M6: 3,442,097 km (0.12 R)
• M7: 5,199,872 km (0.09 R)
• M8: 5,948,759 km (0.098 R)
• M9: 6,681,041 km (0.038 R)
• M10: 7,402,701 km (0.087 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.2

Radius: 5.6

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.45 AU - 7.33 AU

Year: 9532 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,908,561 km

• M1: 70,311 km (0.116 R)
• M2: 323,730 km (0.034 R)
• M3: 1,249,441 km (0.106 R)
• M4: 3,506,574 km (0.111 R)
• M5: 3,793,353 km (0.119 R)
• M6: 4,531,768 km (0.049 R)
• M7: 6,141,741 km (0.059 R)
• M8: 7,959,205 km (0.103 R)
• M9: 8,637,183 km (0.062 R)
• M10: 9,009,083 km (0.11 R)
• M11: 14,969,511 km (0.084 R)
• M12: 15,182,538 km (0.056 R)
• M13: 23,335,323 km (0.092 R)
• M14: 23,910,976 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.4

Radius: 5.1

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.46 AU - 7.36 AU

Year: 9581 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,908,561 km

• M1: 63,579 km (0.066 R)
• M2: 429,944 km (0.09 R)
• M3: 675,734 km (0.114 R)
• M4: 2,537,479 km (0.088 R)
• M5: 4,530,721 km (0.076 R)
• M6: 12,245,334 km (0.078 R)
• M7: 14,552,731 km (0.12 R)
• M8: 15,171,767 km (0.118 R)
• M9: 23,099,557 km (0.048 R)
• M10: 25,153,685 km (0.081 R)
• M11: 29,132,839 km (0.081 R)
• M12: 32,248,514 km (0.08 R)
• M13: 38,896,045 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607

Radius: 5.4

Gravity: 20.82 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.79 AU - 8.29 AU

Year: 13807 Days

Day: 16.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,908,561 km

• M1: 69,413 km (0.112 R)
• M2: 275,410 km (0.107 R)
• M3: 835,803 km (0.11 R)
• M4: 1,560,904 km (0.096 R)
• M5: 2,490,954 km (0.037 R)
• M6: 3,171,176 km (0.076 R)
• M7: 3,996,956 km (0.089 R)
• M8: 4,231,525 km (0.093 R)
• M9: 4,760,503 km (0.082 R)
• M10: 5,228,296 km (0.086 R)
• M11: 6,139,347 km (0.082 R)
• M12: 6,693,458 km (0.063 R)
• M13: 7,719,998 km (0.103 R)
• M14: 8,130,644 km (0.109 R)
• M15: 8,896,585 km (0.025 R)
• M16: 10,626,535 km (0.09 R)
• M17: 18,233,736 km (0.093 R)
• M18: 19,373,971 km (0.095 R)
• M19: 20,734,265 km (0.118 R)
• M20: 22,157,090 km (0.114 R)
• M21: 26,917,594 km (0.091 R)
• M22: 34,591,366 km (0.107 R)
• M23: 35,207,111 km (0.119 R)
• M24: 38,659,082 km (0.054 R)
• M25: 41,356,930 km (0.117 R)
• M26: 48,032,585 km (0.095 R)
• M27: 49,262,429 km (0.069 R)
• M28: 55,391,753 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.7

Radius: 3.1

Gravity: 74.99 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.82 AU - 8.36 AU

Year: 13944 Days

Day: 19.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,908,561 km

• M1: 42,187 km (0.096 R)
• M2: 175,329 km (0.026 R)
• M3: 332,107 km (0.112 R)
• M4: 617,989 km (0.087 R)
• M5: 1,070,822 km (0.106 R)
• M6: 2,068,789 km (0.032 R)
• M7: 2,365,890 km (0.041 R)
• M8: 3,143,799 km (0.085 R)
• M9: 3,401,706 km (0.115 R)
• M10: 3,508,818 km (0.093 R)
• M11: 3,786,322 km (0.038 R)
• M12: 4,260,398 km (0.074 R)
• M13: 5,616,951 km (0.051 R)
• M14: 7,149,133 km (0.097 R)
• M15: 8,105,063 km (0.066 R)
• M16: 8,296,399 km (0.068 R)
• M17: 9,040,648 km (0.114 R)
• M18: 9,720,720 km (0.118 R)
• M19: 11,599,071 km (0.082 R)
• M20: 11,903,353 km (0.1 R)
• M21: 12,783,437 km (0.08 R)
• M22: 13,437,928 km (0.103 R)
• M23: 14,252,488 km (0.103 R)
• M24: 14,531,189 km (0.041 R)
• M25: 18,002,309 km (0.068 R)
• M26: 18,907,226 km (0.105 R)
• M27: 22,925,425 km (0.116 R)
• M28: 25,081,878 km (0.12 R)
• M29: 26,627,374 km (0.084 R)
• M30: 27,800,221 km (0.047 R)
• M31: 29,679,918 km (0.088 R)
• M32: 30,134,247 km (0.109 R)
• M33: 32,235,948 km (0.095 R)
• M34: 35,060,804 km (0.103 R)
• M35: 36,338,819 km (0.09 R)
• M36: 39,259,268 km (0.104 R)
• M37: 47,855,312 km (0.068 R)
• M38: 50,869,410 km (0.03 R)
• M39: 55,024,790 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.4

Radius: 5.4

Gravity: 23.13 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.39 AU - 7.89 AU

Year: 14082 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,908,561 km

• M1: 67,169 km (0.096 R)
• M2: 265,087 km (0.075 R)
• M3: 582,684 km (0.11 R)
• M4: 1,541,756 km (0.117 R)
• M5: 2,276,880 km (0.069 R)
• M6: 2,503,221 km (0.042 R)
• M7: 3,455,561 km (0.094 R)
• M8: 4,596,395 km (0.098 R)
• M9: 5,234,579 km (0.054 R)
• M10: 5,853,914 km (0.068 R)
• M11: 6,521,121 km (0.073 R)
• M12: 6,978,890 km (0.086 R)
• M13: 7,413,472 km (0.103 R)
• M14: 7,728,226 km (0.091 R)
• M15: 8,098,930 km (0.088 R)
• M16: 11,503,029 km (0.102 R)
• M17: 14,676,897 km (0.119 R)
• M18: 15,534,692 km (0.109 R)
• M19: 17,506,990 km (0.106 R)
• M20: 20,946,694 km (0.073 R)
• M21: 23,442,286 km (0.088 R)
• M22: 28,030,303 km (0.057 R)
• M23: 30,248,689 km (0.074 R)
• M24: 31,517,279 km (0.112 R)
• M25: 32,105,498 km (0.104 R)
• M26: 33,669,095 km (0.079 R)
• M27: 34,283,643 km (0.103 R)
• M28: 35,408,918 km (0.12 R)
• M29: 36,172,466 km (0.089 R)
• M30: 37,207,683 km (0.117 R)
• M31: 38,395,789 km (0.057 R)
• M32: 40,570,045 km (0.074 R)
• M33: 55,361,235 km (0.05 R)
• M34: 57,255,892 km (0.072 R)
• M35: 59,371,655 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 15,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit