🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791

Radius: 9

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.89 AU - 1.03 AU

Year: 649 Days

Day: 7.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,154,946 km

• M1: 111,899 km (0.085 R)
• M2: 405,111 km (0.045 R)
• M3: 938,427 km (0.094 R)
• M4: 1,408,763 km (0.074 R)
• M5: 1,816,567 km (0.096 R)
• M6: 2,143,887 km (0.1 R)
• M7: 2,686,927 km (0.108 R)
• M8: 2,979,391 km (0.12 R)
• M9: 3,614,883 km (0.073 R)
• M10: 4,433,034 km (0.108 R)
• M11: 4,776,062 km (0.088 R)
• M12: 5,423,970 km (0.101 R)
• M13: 5,894,156 km (0.063 R)
• M14: 6,787,405 km (0.079 R)
• M15: 7,932,726 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.1

Radius: 10.5

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.02 AU - 1.4 AU

Year: 919 Days

Day: 11.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,154,946 km

• M1: 130,749 km (0.074 R)
• M2: 509,979 km (0.116 R)
• M3: 1,326,933 km (0.115 R)
• M4: 2,031,988 km (0.058 R)
• M5: 2,425,729 km (0.069 R)
• M6: 2,760,230 km (0.097 R)
• M7: 3,466,931 km (0.11 R)
• M8: 6,130,970 km (0.073 R)
• M9: 7,692,173 km (0.114 R)
• M10: 8,064,073 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.2

Radius: 8.3

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.52 AU - 2.1 AU

Year: 1681 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,154,946 km

• M1: 103,223 km (0.046 R)
• M2: 465,249 km (0.119 R)
• M3: 811,868 km (0.096 R)
• M4: 1,262,456 km (0.098 R)
• M5: 1,527,095 km (0.083 R)
• M6: 1,818,362 km (0.096 R)
• M7: 2,135,061 km (0.1 R)
• M8: 2,396,408 km (0.099 R)
• M9: 2,679,447 km (0.116 R)
• M10: 3,806,817 km (0.118 R)
• M11: 4,329,063 km (0.107 R)
• M12: 5,844,041 km (0.057 R)
• M13: 6,135,457 km (0.102 R)
• M14: 6,773,941 km (0.106 R)
• M15: 8,517,504 km (0.115 R)
• M16: 9,116,793 km (0.084 R)
• M17: 9,377,393 km (0.108 R)
• M18: 9,845,485 km (0.099 R)
• M19: 10,154,554 km (0.101 R)
• M20: 11,645,446 km (0.083 R)
• M21: 12,108,152 km (0.062 R)
• M22: 13,696,882 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.7

Radius: 10.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.26 AU - 2.48 AU

Year: 2518 Days

Day: 14.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,154,946 km

• M1: 133,142 km (0.115 R)
• M2: 597,643 km (0.1 R)
• M3: 1,040,453 km (0.073 R)
• M4: 1,482,664 km (0.038 R)
• M5: 2,457,743 km (0.101 R)
• M6: 3,271,107 km (0.101 R)
• M7: 3,666,195 km (0.085 R)
• M8: 4,591,458 km (0.075 R)
• M9: 5,912,856 km (0.056 R)
• M10: 6,551,040 km (0.057 R)
• M11: 7,001,629 km (0.028 R)
• M12: 7,419,306 km (0.091 R)
• M13: 8,625,215 km (0.069 R)
• M14: 10,723,774 km (0.112 R)
• M15: 11,529,059 km (0.098 R)
• M16: 12,299,189 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784

Radius: 13.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.32 AU - 4.88 AU

Year: 5730 Days

Day: 6.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,154,946 km

• M1: 164,707 km (0.12 R)
• M2: 747,391 km (0.093 R)
• M3: 1,178,682 km (0.11 R)
• M4: 1,782,608 km (0.087 R)
• M5: 2,484,073 km (0.115 R)
• M6: 2,977,297 km (0.06 R)
• M7: 3,624,457 km (0.066 R)
• M8: 4,114,989 km (0.052 R)
• M9: 4,570,514 km (0.095 R)
• M10: 5,003,750 km (0.087 R)
• M11: 5,828,632 km (0.086 R)
• M12: 7,786,868 km (0.095 R)
• M13: 9,188,152 km (0.108 R)
• M14: 10,471,402 km (0.072 R)
• M15: 11,770,510 km (0.117 R)
• M16: 13,501,208 km (0.078 R)
• M17: 14,513,836 km (0.07 R)
• M18: 17,073,007 km (0.113 R)
• M19: 18,869,228 km (0.063 R)
• M20: 19,991,212 km (0.078 R)
• M21: 20,788,120 km (0.095 R)
• M22: 24,352,140 km (0.027 R)
• M23: 25,936,381 km (0.097 R)
• M24: 26,537,166 km (0.058 R)
• M25: 28,941,503 km (0.116 R)
• M26: 29,961,462 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.9

Radius: 6.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.22 AU - 6.64 AU

Year: 9968 Days

Day: 16.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,154,946 km

• M1: 78,539 km (0.088 R)
• M2: 553,063 km (0.092 R)
• M3: 1,636,451 km (0.097 R)
• M4: 2,025,406 km (0.076 R)
• M5: 4,012,215 km (0.1 R)
• M6: 16,476,560 km (0.105 R)
• M7: 16,958,863 km (0.067 R)
• M8: 17,326,575 km (0.076 R)
• M9: 18,786,201 km (0.054 R)
• M10: 21,588,020 km (0.066 R)
• M11: 27,160,989 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.6

Radius: 6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.41 AU - 7.35 AU

Year: 11124 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,154,946 km

• M1: 77,492 km (0.118 R)
• M2: 267,032 km (0.091 R)
• M3: 611,855 km (0.112 R)
• M4: 867,967 km (0.119 R)
• M5: 1,238,371 km (0.104 R)
• M6: 1,793,379 km (0.054 R)
• M7: 2,032,137 km (0.118 R)
• M8: 2,258,329 km (0.114 R)
• M9: 2,800,622 km (0.117 R)
• M10: 4,779,502 km (0.093 R)
• M11: 5,300,701 km (0.115 R)
• M12: 7,239,490 km (0.11 R)
• M13: 7,808,859 km (0.101 R)
• M14: 9,252,927 km (0.103 R)
• M15: 10,153,656 km (0.095 R)
• M16: 10,721,380 km (0.086 R)
• M17: 11,160,899 km (0.115 R)
• M18: 12,605,117 km (0.095 R)
• M19: 12,930,193 km (0.053 R)
• M20: 16,623,166 km (0.047 R)
• M21: 17,746,646 km (0.113 R)
• M22: 19,561,418 km (0.104 R)
• M23: 21,573,060 km (0.095 R)
• M24: 21,960,219 km (0.089 R)
• M25: 22,194,789 km (0.084 R)
• M26: 22,748,301 km (0.118 R)
• M27: 23,883,150 km (0.089 R)
• M28: 27,786,159 km (0.069 R)
• M29: 31,793,736 km (0.115 R)
• M30: 32,093,979 km (0.056 R)
• M31: 32,903,603 km (0.066 R)
• M32: 33,726,990 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.8

Radius: 7.4

Gravity: 18.06 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.7 AU - 11.3 AU

Year: 21828 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,154,946 km

• M1: 92,152 km (0.088 R)
• M2: 437,723 km (0.098 R)
• M3: 746,643 km (0.078 R)
• M4: 1,692,550 km (0.111 R)
• M5: 1,965,267 km (0.063 R)
• M6: 2,625,293 km (0.116 R)
• M7: 5,920,037 km (0.096 R)
• M8: 6,984,276 km (0.091 R)
• M9: 11,819,877 km (0.075 R)
• M10: 15,077,969 km (0.086 R)
• M11: 15,659,606 km (0.097 R)
• M12: 18,794,429 km (0.106 R)
• M13: 22,538,266 km (0.061 R)
• M14: 26,034,966 km (0.114 R)
• M15: 26,630,815 km (0.09 R)
• M16: 30,662,028 km (0.074 R)
• M17: 32,822,371 km (0.078 R)
• M18: 35,226,708 km (0.115 R)
• M19: 39,908,822 km (0.08 R)
• M20: 40,860,564 km (0.12 R)
• M21: 43,806,595 km (0.069 R)
• M22: 49,207,078 km (0.072 R)
• M23: 50,117,680 km (0.109 R)
• M24: 51,225,303 km (0.087 R)
• M25: 54,258,400 km (0.11 R)
• M26: 78,661,253 km (0.101 R)
• M27: 84,494,523 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 16,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit