🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840

Radius: 9

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 9.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,662,335 km

• M1: 112,049 km (0.117 R)
• M2: 471,532 km (0.103 R)
• M3: 816,356 km (0.117 R)
• M4: 1,206,656 km (0.088 R)
• M5: 1,490,892 km (0.059 R)
• M6: 1,887,776 km (0.036 R)
• M7: 2,389,826 km (0.047 R)
• M8: 2,885,893 km (0.057 R)
• M9: 3,213,362 km (0.101 R)
• M10: 3,530,360 km (0.118 R)
• M11: 3,818,785 km (0.112 R)
• M12: 4,201,606 km (0.12 R)
• M13: 4,881,827 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.1

Radius: 10.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.24 AU - 2.02 AU

Year: 1436 Days

Day: 9.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,662,335 km

• M1: 130,749 km (0.102 R)
• M2: 682,914 km (0.099 R)
• M3: 1,060,948 km (0.106 R)
• M4: 2,024,807 km (0.102 R)
• M5: 4,374,391 km (0.116 R)
• M6: 4,894,543 km (0.113 R)
• M7: 6,343,698 km (0.091 R)
• M8: 6,893,021 km (0.051 R)
• M9: 8,218,608 km (0.05 R)
• M10: 9,268,785 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.5

Radius: 10.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.93 AU - 2.25 AU

Year: 2086 Days

Day: 9.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,662,335 km

• M1: 134,339 km (0.073 R)
• M2: 680,072 km (0.079 R)
• M3: 1,336,507 km (0.064 R)
• M4: 1,733,391 km (0.096 R)
• M5: 2,111,873 km (0.118 R)
• M6: 2,720,138 km (0.104 R)
• M7: 3,720,200 km (0.036 R)
• M8: 5,346,030 km (0.086 R)
• M9: 8,299,989 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 13.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.15 AU - 2.81 AU

Year: 2696 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,662,335 km

• M1: 167,101 km (0.061 R)
• M2: 598,242 km (0.114 R)
• M3: 1,076,357 km (0.11 R)
• M4: 2,118,156 km (0.08 R)
• M5: 3,314,640 km (0.067 R)
• M6: 4,499,306 km (0.078 R)
• M7: 5,177,433 km (0.118 R)
• M8: 5,819,507 km (0.065 R)
• M9: 6,294,779 km (0.105 R)
• M10: 6,853,228 km (0.08 R)
• M11: 7,628,594 km (0.119 R)
• M12: 8,662,465 km (0.101 R)
• M13: 10,850,034 km (0.103 R)
• M14: 11,409,381 km (0.045 R)
• M15: 12,585,968 km (0.117 R)
• M16: 13,611,761 km (0.054 R)
• M17: 16,084,464 km (0.048 R)
• M18: 16,812,706 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.9

Radius: 13.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.62 AU - 3.26 AU

Year: 3480 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,662,335 km

• M1: 173,085 km (0.096 R)
• M2: 602,730 km (0.046 R)
• M3: 1,091,167 km (0.076 R)
• M4: 1,565,691 km (0.102 R)
• M5: 2,647,583 km (0.078 R)
• M6: 3,132,131 km (0.101 R)
• M7: 4,956,028 km (0.109 R)
• M8: 5,774,478 km (0.095 R)
• M9: 6,681,490 km (0.105 R)
• M10: 8,347,262 km (0.076 R)
• M11: 11,006,215 km (0.081 R)
• M12: 11,771,108 km (0.053 R)
• M13: 12,701,009 km (0.058 R)
• M14: 18,100,594 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 14.2

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.7 AU - 3.8 AU

Year: 5013 Days

Day: 9.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,662,335 km

• M1: 179,817 km (0.093 R)
• M2: 794,365 km (0.12 R)
• M3: 1,401,134 km (0.114 R)
• M4: 3,332,293 km (0.099 R)
• M5: 3,887,899 km (0.1 R)
• M6: 6,014,582 km (0.105 R)
• M7: 8,181,208 km (0.114 R)
• M8: 10,980,334 km (0.08 R)
• M9: 11,931,926 km (0.098 R)
• M10: 12,596,440 km (0.085 R)
• M11: 13,110,757 km (0.096 R)
• M12: 13,863,683 km (0.064 R)
• M13: 14,551,684 km (0.041 R)
• M14: 16,447,687 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.9

Radius: 14

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.05 AU - 5.07 AU

Year: 6721 Days

Day: 5.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 69.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,662,335 km

• M1: 174,132 km (0.069 R)
• M2: 637,287 km (0.077 R)
• M3: 1,080,994 km (0.114 R)
• M4: 2,040,964 km (0.091 R)
• M5: 2,855,973 km (0.086 R)
• M6: 4,346,865 km (0.106 R)
• M7: 5,048,479 km (0.094 R)
• M8: 5,919,139 km (0.106 R)
• M9: 11,394,870 km (0.078 R)
• M10: 12,466,888 km (0.063 R)
• M11: 14,343,743 km (0.089 R)
• M12: 15,410,525 km (0.083 R)
• M13: 22,244,755 km (0.072 R)
• M14: 26,977,433 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.2

Radius: 4.8

Gravity: 35.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.14 AU - 8.7 AU

Year: 13951 Days

Day: 20.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,662,335 km

• M1: 59,690 km (0.114 R)
• M2: 256,710 km (0.08 R)
• M3: 891,903 km (0.1 R)
• M4: 1,172,399 km (0.081 R)
• M5: 2,019,721 km (0.057 R)
• M6: 4,265,334 km (0.063 R)
• M7: 5,416,041 km (0.118 R)
• M8: 6,549,096 km (0.108 R)
• M9: 8,310,461 km (0.079 R)
• M10: 9,700,076 km (0.077 R)
• M11: 9,973,391 km (0.059 R)
• M12: 10,824,304 km (0.028 R)
• M13: 15,442,091 km (0.108 R)
• M14: 16,423,752 km (0.094 R)
• M15: 27,306,249 km (0.07 R)
• M16: 31,155,552 km (0.085 R)
• M17: 31,870,330 km (0.064 R)
• M18: 33,580,683 km (0.117 R)
• M19: 40,328,295 km (0.117 R)
• M20: 44,092,028 km (0.037 R)
• M21: 47,454,240 km (0.072 R)
• M22: 50,983,403 km (0.068 R)
• M23: 56,951,909 km (0.11 R)
• M24: 61,862,160 km (0.111 R)
• M25: 62,801,485 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.3

Radius: 6.6

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.32 AU - 9.44 AU

Year: 16745 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 164.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,662,335 km

• M1: 91,703 km (0.112 R)
• M2: 300,841 km (0.076 R)
• M3: 673,789 km (0.074 R)
• M4: 1,261,110 km (0.061 R)
• M5: 3,312,097 km (0.071 R)
• M6: 5,948,909 km (0.069 R)
• M7: 6,268,151 km (0.11 R)
• M8: 6,598,762 km (0.06 R)
• M9: 7,160,801 km (0.103 R)
• M10: 8,479,058 km (0.096 R)
• M11: 9,676,888 km (0.112 R)
• M12: 10,062,850 km (0.106 R)
• M13: 11,102,406 km (0.106 R)
• M14: 12,532,861 km (0.095 R)
• M15: 12,793,610 km (0.085 R)
• M16: 13,803,695 km (0.116 R)
• M17: 15,981,840 km (0.098 R)
• M18: 16,599,230 km (0.112 R)
• M19: 19,750,808 km (0.078 R)
• M20: 20,193,020 km (0.112 R)
• M21: 20,823,425 km (0.095 R)
• M22: 22,696,540 km (0.068 R)
• M23: 23,084,148 km (0.114 R)
• M24: 23,972,610 km (0.11 R)
• M25: 24,475,857 km (0.099 R)
• M26: 25,295,803 km (0.08 R)
• M27: 27,534,984 km (0.059 R)
• M28: 28,533,849 km (0.085 R)
• M29: 29,213,023 km (0.093 R)
• M30: 31,315,173 km (0.114 R)
• M31: 37,545,026 km (0.109 R)
• M32: 38,360,484 km (0.118 R)
• M33: 44,250,901 km (0.047 R)
• M34: 44,704,182 km (0.041 R)
• M35: 47,174,043 km (0.082 R)
• M36: 50,716,521 km (0.093 R)
• M37: 55,651,904 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.1

Radius: 6.7

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.5 AU - 10.44 AU

Year: 20116 Days

Day: 24.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,662,335 km

• M1: 83,326 km (0.059 R)
• M2: 292,464 km (0.116 R)
• M3: 778,956 km (0.083 R)
• M4: 989,740 km (0.036 R)
• M5: 1,434,195 km (0.081 R)
• M6: 1,849,030 km (0.075 R)
• M7: 2,523,566 km (0.067 R)
• M8: 2,765,017 km (0.076 R)
• M9: 4,803,887 km (0.116 R)
• M10: 6,543,710 km (0.072 R)
• M11: 8,033,106 km (0.077 R)
• M12: 9,911,757 km (0.113 R)
• M13: 10,639,550 km (0.1 R)
• M14: 13,395,592 km (0.066 R)
• M15: 17,358,439 km (0.113 R)
• M16: 18,146,222 km (0.069 R)
• M17: 18,594,118 km (0.091 R)
• M18: 19,233,349 km (0.071 R)
• M19: 20,267,370 km (0.029 R)
• M20: 22,038,758 km (0.117 R)
• M21: 22,754,584 km (0.092 R)
• M22: 23,380,502 km (0.052 R)
• M23: 26,225,704 km (0.094 R)
• M24: 27,613,523 km (0.063 R)
• M25: 30,158,931 km (0.097 R)
• M26: 30,534,870 km (0.096 R)
• M27: 33,790,120 km (0.045 R)
• M28: 34,741,562 km (0.107 R)
• M29: 42,218,464 km (0.108 R)
• M30: 57,710,520 km (0.119 R)
• M31: 62,050,504 km (0.094 R)
• M32: 64,714,692 km (0.086 R)
• M33: 68,528,092 km (0.059 R)
• M34: 71,151,889 km (0.038 R)
• M35: 71,595,596 km (0.093 R)
• M36: 72,264,598 km (0.113 R)
• M37: 74,296,735 km (0.091 R)
• M38: 78,948,331 km (0.075 R)
• M39: 79,423,903 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 18,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit