🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.47 AU - 0.67 AU

Year: 274 Days

Day: 13.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,095,568 km

• M1: 294,409 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 10.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.71 AU - 0.99 AU

Year: 498 Days

Day: 14.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 26,095,568 km

• M1: 134,040 km (0.118 R)
• M2: 199,414 km (0.112 R)
• M3: 308,022 km (0.058 R)
• M4: 476,619 km (0.079 R)
• M5: 544,835 km (0.032 R)
• M6: 644,617 km (0.111 R)
• M7: 713,133 km (0.108 R)
• M8: 793,467 km (0.059 R)
• M9: 864,676 km (0.118 R)
• M10: 977,323 km (0.078 R)
• M11: 1,175,540 km (0.078 R)
• M12: 1,243,458 km (0.077 R)
• M13: 1,375,852 km (0.054 R)
• M14: 1,478,476 km (0.107 R)
• M15: 1,663,229 km (0.12 R)
• M16: 1,814,173 km (0.081 R)
• M17: 1,910,215 km (0.112 R)
• M18: 1,990,998 km (0.088 R)
• M19: 2,120,999 km (0.066 R)
• M20: 2,200,285 km (0.088 R)
• M21: 2,271,793 km (0.116 R)
• M22: 2,407,778 km (0.119 R)
• M23: 2,546,455 km (0.117 R)
• M24: 2,645,339 km (0.069 R)
• M25: 2,778,930 km (0.07 R)
• M26: 2,875,869 km (0.061 R)
• M27: 2,974,006 km (0.079 R)
• M28: 3,103,109 km (0.097 R)
• M29: 3,198,702 km (0.06 R)
• M30: 3,264,674 km (0.108 R)
• M31: 3,346,504 km (0.118 R)
• M32: 3,538,438 km (0.107 R)
• M33: 3,606,805 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.3

Radius: 11.7

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.77 AU - 1.17 AU

Year: 607 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 26,095,568 km

• M1: 145,708 km (0.077 R)
• M2: 230,830 km (0.036 R)
• M3: 379,380 km (0.083 R)
• M4: 508,483 km (0.108 R)
• M5: 694,433 km (0.079 R)
• M6: 791,223 km (0.105 R)
• M7: 943,215 km (0.106 R)
• M8: 1,028,934 km (0.072 R)
• M9: 1,178,233 km (0.114 R)
• M10: 1,265,149 km (0.073 R)
• M11: 1,347,877 km (0.091 R)
• M12: 1,485,656 km (0.036 R)
• M13: 1,600,697 km (0.118 R)
• M14: 1,676,992 km (0.096 R)
• M15: 1,825,842 km (0.12 R)
• M16: 2,031,539 km (0.066 R)
• M17: 2,122,046 km (0.076 R)
• M18: 2,268,203 km (0.115 R)
• M19: 2,378,157 km (0.093 R)
• M20: 2,522,071 km (0.106 R)
• M21: 2,603,452 km (0.036 R)
• M22: 2,718,792 km (0.092 R)
• M23: 2,793,740 km (0.047 R)
• M24: 3,031,900 km (0.103 R)
• M25: 3,214,858 km (0.109 R)
• M26: 3,294,444 km (0.103 R)
• M27: 3,528,116 km (0.051 R)
• M28: 3,748,623 km (0.098 R)
• M29: 3,851,248 km (0.109 R)
• M30: 3,983,343 km (0.096 R)
• M31: 4,059,488 km (0.041 R)
• M32: 4,136,082 km (0.101 R)
• M33: 4,388,454 km (0.111 R)
• M34: 4,586,072 km (0.079 R)
• M35: 4,827,224 km (0.091 R)
• M36: 5,269,585 km (0.088 R)
• M37: 5,416,490 km (0.069 R)
• M38: 6,039,565 km (0.09 R)
• M39: 6,116,309 km (0.094 R)
• M40: 6,370,925 km (0.11 R)
• M41: 6,685,529 km (0.062 R)
• M42: 6,764,965 km (0.092 R)
• M43: 6,890,478 km (0.107 R)
• M44: 6,970,662 km (0.08 R)
• M45: 7,097,521 km (0.08 R)
• M46: 7,365,152 km (0.047 R)
• M47: 7,470,768 km (0.118 R)
• M48: 7,647,892 km (0.102 R)
• M49: 7,970,275 km (0.087 R)
• M50: 8,212,026 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 10.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.85 AU - 1.33 AU

Year: 724 Days

Day: 5.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 26,095,568 km

• M1: 133,890 km (0.104 R)
• M2: 204,051 km (0.08 R)
• M3: 284,535 km (0.08 R)
• M4: 356,193 km (0.118 R)
• M5: 472,729 km (0.031 R)
• M6: 697,425 km (0.109 R)
• M7: 842,386 km (0.092 R)
• M8: 1,002,605 km (0.097 R)
• M9: 1,077,254 km (0.078 R)
• M10: 1,197,830 km (0.054 R)
• M11: 1,282,503 km (0.088 R)
• M12: 1,490,294 km (0.041 R)
• M13: 1,754,185 km (0.105 R)
• M14: 1,845,589 km (0.099 R)
• M15: 1,950,307 km (0.051 R)
• M16: 2,045,152 km (0.107 R)
• M17: 2,208,962 km (0.106 R)
• M18: 2,345,545 km (0.104 R)
• M19: 2,491,403 km (0.034 R)
• M20: 2,719,390 km (0.032 R)
• M21: 2,981,486 km (0.083 R)
• M22: 3,057,032 km (0.08 R)
• M23: 3,581,223 km (0.105 R)
• M24: 3,676,218 km (0.064 R)
• M25: 3,824,170 km (0.119 R)
• M26: 4,125,909 km (0.088 R)
• M27: 4,210,282 km (0.061 R)
• M28: 4,326,221 km (0.079 R)
• M29: 4,443,206 km (0.101 R)
• M30: 4,704,554 km (0.116 R)
• M31: 4,922,069 km (0.074 R)
• M32: 5,093,508 km (0.107 R)
• M33: 5,233,831 km (0.12 R)
• M34: 5,493,084 km (0.115 R)
• M35: 5,653,902 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.2

Radius: 3.8

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.99 AU - 8.83 AU

Year: 12825 Days

Day: 16.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 26,095,568 km

• M1: 144,063 km (0.1 R)
• M2: 196,422 km (0.106 R)
• M3: 420,520 km (0.101 R)
• M4: 550,520 km (0.099 R)
• M5: 625,618 km (0.081 R)
• M6: 727,195 km (0.054 R)
• M7: 797,955 km (0.042 R)
• M8: 984,653 km (0.048 R)
• M9: 1,198,429 km (0.039 R)
• M10: 1,426,416 km (0.065 R)
• M11: 1,500,467 km (0.072 R)
• M12: 1,545,346 km (0.041 R)
• M13: 1,824,944 km (0.047 R)
• M14: 1,921,585 km (0.105 R)
• M15: 2,643,993 km (0.101 R)
• M16: 2,790,299 km (0.086 R)
• M17: 3,322,868 km (0.049 R)
• M18: 4,220,904 km (0.057 R)
• M19: 4,652,494 km (0.042 R)
• M20: 4,806,729 km (0.04 R)
• M21: 5,487,250 km (0.109 R)
• M22: 5,697,136 km (0.093 R)
• M23: 6,197,241 km (0.092 R)
• M24: 6,587,692 km (0.103 R)
• M25: 6,985,921 km (0.117 R)
• M26: 7,188,028 km (0.107 R)
• M27: 8,121,070 km (0.104 R)
• M28: 8,628,656 km (0.059 R)
• M29: 8,899,877 km (0.106 R)
• M30: 9,478,671 km (0.071 R)
• M31: 9,984,311 km (0.076 R)
• M32: 10,069,433 km (0.11 R)
• M33: 11,109,736 km (0.114 R)
• M34: 11,375,123 km (0.118 R)
• M35: 12,426,796 km (0.063 R)
• M36: 12,457,314 km (0.069 R)
• M37: 13,383,923 km (0.068 R)
• M38: 15,139,604 km (0.1 R)
• M39: 15,400,951 km (0.054 R)
• M40: 15,828,801 km (0.111 R)
• M41: 15,961,195 km (0.073 R)
• M42: 16,932,235 km (0.077 R)
• M43: 18,129,616 km (0.047 R)
• M44: 18,268,144 km (0.1 R)
• M45: 18,476,683 km (0.09 R)
• M46: 19,036,479 km (0.119 R)
• M47: 19,177,250 km (0.107 R)
• M48: 19,779,681 km (0.061 R)
• M49: 20,640,617 km (0.056 R)
• M50: 21,185,003 km (0.119 R)
• M51: 22,436,090 km (0.081 R)
• M52: 22,696,690 km (0.097 R)
• M53: 23,295,979 km (0.073 R)
• M54: 23,333,677 km (0.104 R)
• M55: 24,893,684 km (0.084 R)
• M56: 25,202,155 km (0.058 R)
• M57: 25,279,347 km (0.12 R)
• M58: 26,017,463 km (0.066 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 19,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit