🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.56 AU - 0.66 AU

Year: 313 Days

Day: 33.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.9

Radius: 14

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.6 AU - 0.76 AU

Year: 368 Days

Day: 13 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 9,689,537 km

• M1: 179,069 km (0.046 R)
• M2: 268,678 km (0.051 R)
• M3: 395,836 km (0.084 R)
• M4: 561,890 km (0.08 R)
• M5: 657,632 km (0.101 R)
• M6: 784,790 km (0.043 R)
• M7: 956,978 km (0.082 R)
• M8: 1,067,082 km (0.116 R)
• M9: 1,181,674 km (0.108 R)
• M10: 1,275,771 km (0.113 R)
• M11: 1,403,677 km (0.098 R)
• M12: 1,493,286 km (0.078 R)
• M13: 1,612,366 km (0.071 R)
• M14: 1,791,584 km (0.111 R)
• M15: 1,907,074 km (0.074 R)
• M16: 2,037,224 km (0.107 R)
• M17: 2,300,366 km (0.096 R)
• M18: 2,439,492 km (0.096 R)
• M19: 2,535,983 km (0.077 R)
• M20: 2,627,088 km (0.09 R)
• M21: 2,719,540 km (0.113 R)
• M22: 2,867,043 km (0.102 R)
• M23: 2,996,595 km (0.065 R)
• M24: 3,212,315 km (0.119 R)
• M25: 3,325,710 km (0.066 R)
• M26: 3,622,512 km (0.116 R)
• M27: 3,800,384 km (0.102 R)
• M28: 3,928,141 km (0.108 R)
• M29: 4,019,246 km (0.111 R)
• M30: 4,211,180 km (0.041 R)
• M31: 4,320,087 km (0.108 R)
• M32: 4,437,821 km (0.11 R)
• M33: 4,524,887 km (0.087 R)
• M34: 4,636,487 km (0.08 R)
• M35: 4,765,291 km (0.062 R)
• M36: 4,985,199 km (0.07 R)
• M37: 5,092,312 km (0.102 R)
• M38: 5,183,566 km (0.095 R)
• M39: 5,334,211 km (0.076 R)
• M40: 5,898,644 km (0.084 R)
• M41: 5,985,860 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931

Radius: 9

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.68 AU - 0.84 AU

Year: 435 Days

Day: 12.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 59.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 9,689,537 km

• M1: 156,031 km (0.095 R)
• M2: 226,342 km (0.067 R)
• M3: 318,943 km (0.097 R)
• M4: 380,128 km (0.069 R)
• M5: 464,501 km (0.089 R)
• M6: 528,679 km (0.05 R)
• M7: 592,408 km (0.119 R)
• M8: 759,658 km (0.102 R)
• M9: 837,598 km (0.079 R)
• M10: 932,892 km (0.105 R)
• M11: 997,070 km (0.032 R)
• M12: 1,098,647 km (0.117 R)
• M13: 1,203,964 km (0.104 R)
• M14: 1,274,275 km (0.083 R)
• M15: 1,408,015 km (0.083 R)
• M16: 1,569,880 km (0.074 R)
• M17: 1,793,230 km (0.102 R)
• M18: 1,924,726 km (0.109 R)
• M19: 1,988,455 km (0.064 R)
• M20: 2,124,739 km (0.112 R)
• M21: 2,204,025 km (0.081 R)
• M22: 2,338,364 km (0.034 R)
• M23: 2,434,107 km (0.11 R)
• M24: 2,650,725 km (0.081 R)
• M25: 2,750,656 km (0.096 R)
• M26: 2,837,273 km (0.119 R)
• M27: 3,028,310 km (0.113 R)
• M28: 3,132,879 km (0.108 R)
• M29: 3,261,533 km (0.106 R)
• M30: 3,361,165 km (0.087 R)
• M31: 3,477,253 km (0.052 R)
• M32: 3,586,908 km (0.095 R)
• M33: 3,850,051 km (0.099 R)
• M34: 4,045,276 km (0.087 R)
• M35: 4,403,413 km (0.091 R)
• M36: 4,479,559 km (0.117 R)
• M37: 4,650,699 km (0.106 R)
• M38: 4,737,017 km (0.092 R)
• M39: 5,025,740 km (0.032 R)
• M40: 5,230,390 km (0.107 R)
• M41: 5,302,197 km (0.119 R)
• M42: 5,419,632 km (0.056 R)
• M43: 5,547,089 km (0.114 R)
• M44: 5,638,793 km (0.118 R)
• M45: 5,777,171 km (0.108 R)
• M46: 6,019,818 km (0.09 R)
• M47: 6,076,366 km (0.104 R)
• M48: 6,180,337 km (0.11 R)
• M49: 6,380,499 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140

Radius: 12.1

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.81 AU - 0.91 AU

Year: 523 Days

Day: 14.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 9,689,537 km

• M1: 153,787 km (0.092 R)
• M2: 249,679 km (0.05 R)
• M3: 366,814 km (0.051 R)
• M4: 475,123 km (0.11 R)
• M5: 564,134 km (0.084 R)
• M6: 662,868 km (0.1 R)
• M7: 777,909 km (0.111 R)
• M8: 864,077 km (0.113 R)
• M9: 1,029,832 km (0.111 R)
• M10: 1,147,864 km (0.102 R)
• M11: 1,229,246 km (0.06 R)
• M12: 1,343,538 km (0.114 R)
• M13: 1,421,778 km (0.074 R)
• M14: 1,530,087 km (0.089 R)
• M15: 1,666,371 km (0.084 R)
• M16: 1,751,043 km (0.035 R)
• M17: 1,876,556 km (0.102 R)
• M18: 2,045,751 km (0.028 R)
• M19: 2,123,093 km (0.052 R)
• M20: 2,238,583 km (0.115 R)
• M21: 2,337,467 km (0.116 R)
• M22: 2,413,762 km (0.097 R)
• M23: 2,539,573 km (0.079 R)
• M24: 2,618,112 km (0.089 R)
• M25: 2,925,087 km (0.118 R)
• M26: 3,017,987 km (0.113 R)
• M27: 3,122,407 km (0.064 R)
• M28: 3,313,443 km (0.08 R)
• M29: 3,442,995 km (0.112 R)
• M30: 3,530,360 km (0.095 R)
• M31: 3,634,929 km (0.075 R)
• M32: 3,904,056 km (0.108 R)

Asteroid Belt

Center: 1.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 12.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.46 AU - 1.56 AU

Year: 1217 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 9,689,537 km

• M1: 164,707 km (0.107 R)
• M2: 251,923 km (0.08 R)
• M3: 342,130 km (0.105 R)
• M4: 785,239 km (0.114 R)
• M5: 891,903 km (0.107 R)
• M6: 997,668 km (0.093 R)
• M7: 1,081,742 km (0.051 R)
• M8: 1,243,757 km (0.118 R)
• M9: 1,378,096 km (0.086 R)
• M10: 1,495,231 km (0.086 R)
• M11: 1,623,436 km (0.097 R)
• M12: 1,819,110 km (0.092 R)
• M13: 1,899,594 km (0.073 R)
• M14: 2,106,188 km (0.084 R)
• M15: 2,303,209 km (0.116 R)
• M16: 2,605,546 km (0.118 R)
• M17: 2,808,102 km (0.114 R)
• M18: 3,064,064 km (0.105 R)
• M19: 3,160,853 km (0.113 R)
• M20: 3,327,655 km (0.092 R)
• M21: 3,477,403 km (0.073 R)
• M22: 3,929,786 km (0.034 R)
• M23: 4,163,010 km (0.112 R)
• M24: 4,346,417 km (0.102 R)
• M25: 4,466,544 km (0.073 R)
• M26: 4,901,574 km (0.083 R)
• M27: 5,222,312 km (0.051 R)
• M28: 5,303,544 km (0.099 R)
• M29: 5,420,380 km (0.115 R)
• M30: 5,764,156 km (0.111 R)
• M31: 6,054,076 km (0.025 R)
• M32: 6,348,934 km (0.079 R)
• M33: 6,460,683 km (0.107 R)
• M34: 6,585,597 km (0.103 R)
• M35: 6,749,258 km (0.101 R)
• M36: 6,991,008 km (0.072 R)
• M37: 7,365,451 km (0.084 R)
• M38: 7,680,205 km (0.118 R)
• M39: 8,026,375 km (0.115 R)
• M40: 8,228,481 km (0.075 R)
• M41: 8,404,857 km (0.062 R)
• M42: 8,486,837 km (0.097 R)
• M43: 8,720,209 km (0.103 R)
• M44: 9,123,376 km (0.071 R)
• M45: 9,546,887 km (0.033 R)
• M46: 9,661,030 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 20,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit