🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.1

Radius: 10

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.51 AU - 0.53 AU

Year: 254 Days

Day: 11 Hours

Environment

Temp: -134 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,353,504 km

• M1: 124,465 km (0.099 R)
• M2: 438,771 km (0.067 R)
• M3: 854,353 km (0.092 R)
• M4: 1,866,233 km (0.066 R)
• M5: 2,365,591 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.7

Radius: 12.7

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.46 AU - 0.58 AU

Year: 254 Days

Day: 14.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,353,504 km

• M1: 157,975 km (0.067 R)
• M2: 601,683 km (0.111 R)
• M3: 1,097,300 km (0.039 R)
• M4: 1,683,126 km (0.099 R)
• M5: 2,104,393 km (0.042 R)
• M6: 2,538,377 km (0.119 R)
• M7: 2,957,999 km (0.044 R)
• M8: 3,697,311 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.8

Radius: 10.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.51 AU - 0.69 AU

Year: 315 Days

Day: 14.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,353,504 km

• M1: 133,142 km (0.052 R)
• M2: 538,702 km (0.105 R)
• M3: 877,242 km (0.08 R)
• M4: 1,343,239 km (0.076 R)
• M5: 1,767,499 km (0.074 R)
• M6: 2,129,974 km (0.106 R)
• M7: 2,740,783 km (0.032 R)
• M8: 3,619,520 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 11.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.75 AU - 1.01 AU

Year: 560 Days

Day: 9.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,353,504 km

• M1: 144,362 km (0.035 R)
• M2: 515,664 km (0.062 R)
• M3: 915,689 km (0.059 R)
• M4: 1,940,733 km (0.118 R)
• M5: 2,463,428 km (0.104 R)
• M6: 2,832,486 km (0.085 R)
• M7: 3,314,341 km (0.084 R)
• M8: 4,229,730 km (0.096 R)
• M9: 4,682,114 km (0.054 R)
• M10: 5,115,050 km (0.098 R)
• M11: 5,852,269 km (0.11 R)
• M12: 6,577,220 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.2

Radius: 10

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.72 AU - 1.2 AU

Year: 638 Days

Day: 9.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,353,504 km

• M1: 124,316 km (0.097 R)
• M2: 534,364 km (0.119 R)
• M3: 863,928 km (0.113 R)
• M4: 1,186,311 km (0.099 R)
• M5: 1,547,141 km (0.042 R)
• M6: 2,486,765 km (0.118 R)
• M7: 3,006,020 km (0.105 R)
• M8: 3,353,835 km (0.078 R)
• M9: 3,728,577 km (0.078 R)
• M10: 4,045,575 km (0.068 R)
• M11: 4,501,550 km (0.113 R)
• M12: 4,877,938 km (0.093 R)
• M13: 5,292,174 km (0.109 R)
• M14: 5,676,192 km (0.088 R)
• M15: 6,153,858 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874

Radius: 12.5

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.44 AU - 1.44 AU

Year: 1172 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,353,504 km

• M1: 155,731 km (0.11 R)
• M2: 678,127 km (0.082 R)
• M3: 1,260,960 km (0.1 R)
• M4: 4,038,544 km (0.103 R)
• M5: 5,812,476 km (0.113 R)
• M6: 7,391,032 km (0.104 R)
• M7: 7,921,506 km (0.049 R)
• M8: 8,336,042 km (0.091 R)
• M9: 8,764,939 km (0.104 R)
• M10: 9,390,408 km (0.076 R)
• M11: 11,170,174 km (0.103 R)
• M12: 11,692,270 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 11.7

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.26 AU - 2.06 AU

Year: 1451 Days

Day: 7.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,353,504 km

• M1: 145,559 km (0.112 R)
• M2: 822,489 km (0.087 R)
• M3: 1,471,893 km (0.08 R)
• M4: 1,913,058 km (0.045 R)
• M5: 2,405,983 km (0.12 R)
• M6: 2,776,237 km (0.061 R)
• M7: 3,650,338 km (0.1 R)
• M8: 4,072,503 km (0.049 R)
• M9: 4,975,625 km (0.066 R)
• M10: 6,381,546 km (0.09 R)
• M11: 6,746,266 km (0.089 R)
• M12: 10,156,648 km (0.101 R)
• M13: 11,031,646 km (0.08 R)
• M14: 11,452,016 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.9

Radius: 12.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.81 AU - 2.97 AU

Year: 3332 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,353,504 km

• M1: 153,188 km (0.11 R)
• M2: 595,549 km (0.107 R)
• M3: 1,472,641 km (0.079 R)
• M4: 2,134,014 km (0.111 R)
• M5: 3,373,282 km (0.083 R)
• M6: 4,286,877 km (0.112 R)
• M7: 4,902,173 km (0.072 R)
• M8: 5,401,830 km (0.115 R)
• M9: 6,144,134 km (0.095 R)
• M10: 7,212,263 km (0.109 R)
• M11: 7,639,963 km (0.07 R)
• M12: 8,169,989 km (0.107 R)
• M13: 10,270,642 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.2

Radius: 4.3

Gravity: 53.34 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.85 AU - 7.17 AU

Year: 9993 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,353,504 km

• M1: 54,154 km (0.103 R)
• M2: 314,305 km (0.076 R)
• M3: 772,972 km (0.096 R)
• M4: 1,036,713 km (0.076 R)
• M5: 1,824,496 km (0.047 R)
• M6: 2,471,506 km (0.084 R)
• M7: 5,956,090 km (0.111 R)
• M8: 6,373,019 km (0.085 R)
• M9: 8,947,598 km (0.112 R)
• M10: 9,193,388 km (0.094 R)
• M11: 9,646,819 km (0.045 R)
• M12: 10,653,164 km (0.085 R)
• M13: 13,248,387 km (0.101 R)
• M14: 13,696,583 km (0.064 R)
• M15: 14,623,491 km (0.111 R)
• M16: 19,974,906 km (0.109 R)
• M17: 22,401,234 km (0.11 R)
• M18: 22,581,649 km (0.113 R)
• M19: 39,452,998 km (0.04 R)
• M20: 45,518,743 km (0.118 R)
• M21: 45,953,624 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.1

Radius: 7.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 9.03 AU - 10.31 AU

Year: 20395 Days

Day: 19 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,353,504 km

• M1: 91,404 km (0.082 R)
• M2: 368,908 km (0.068 R)
• M3: 625,020 km (0.063 R)
• M4: 2,451,311 km (0.073 R)
• M5: 2,786,410 km (0.091 R)
• M6: 5,272,876 km (0.079 R)
• M7: 13,343,831 km (0.115 R)
• M8: 25,560,292 km (0.108 R)
• M9: 27,874,571 km (0.109 R)
• M10: 32,569,401 km (0.094 R)
• M11: 34,323,735 km (0.072 R)
• M12: 34,562,344 km (0.107 R)
• M13: 42,245,242 km (0.079 R)
• M14: 48,401,942 km (0.089 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 15,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit