🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 12.4

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.58 AU - 0.88 AU

Year: 403 Days

Day: 6.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,333,043 km

• M1: 154,235 km (0.12 R)
• M2: 541,245 km (0.096 R)
• M3: 967,599 km (0.076 R)
• M4: 1,399,638 km (0.066 R)
• M5: 2,311,287 km (0.086 R)
• M6: 3,219,047 km (0.102 R)
• M7: 3,663,951 km (0.11 R)
• M8: 4,088,510 km (0.057 R)
• M9: 4,493,471 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.7

Radius: 8.5

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.92 AU - 1.36 AU

Year: 786 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,333,043 km

• M1: 108,010 km (0.112 R)
• M2: 379,380 km (0.049 R)
• M3: 831,914 km (0.107 R)
• M4: 1,158,636 km (0.068 R)
• M5: 1,749,397 km (0.096 R)
• M6: 2,088,536 km (0.098 R)
• M7: 2,371,425 km (0.085 R)
• M8: 2,900,553 km (0.094 R)
• M9: 3,463,340 km (0.049 R)
• M10: 3,847,059 km (0.054 R)
• M11: 4,770,377 km (0.074 R)
• M12: 5,041,149 km (0.119 R)
• M13: 5,593,913 km (0.096 R)
• M14: 6,144,433 km (0.113 R)
• M15: 6,465,470 km (0.038 R)
• M16: 7,188,327 km (0.047 R)
• M17: 7,666,741 km (0.052 R)
• M18: 8,423,856 km (0.113 R)
• M19: 8,713,777 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 14.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.13 AU - 1.49 AU

Year: 968 Days

Day: 12 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,333,043 km

• M1: 180,415 km (0.06 R)
• M2: 683,961 km (0.083 R)
• M3: 1,593,217 km (0.04 R)
• M4: 2,345,096 km (0.075 R)
• M5: 2,870,185 km (0.112 R)
• M6: 3,446,735 km (0.12 R)
• M7: 4,069,361 km (0.115 R)
• M8: 5,734,685 km (0.091 R)
• M9: 7,580,274 km (0.043 R)
• M10: 8,334,397 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 13.4

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.37 AU - 2.21 AU

Year: 1546 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,333,043 km

• M1: 166,652 km (0.088 R)
• M2: 591,809 km (0.104 R)
• M3: 1,172,099 km (0.072 R)
• M4: 1,721,722 km (0.094 R)
• M5: 2,379,205 km (0.101 R)
• M6: 3,019,035 km (0.109 R)
• M7: 4,973,082 km (0.1 R)
• M8: 6,954,207 km (0.083 R)
• M9: 7,550,354 km (0.082 R)
• M10: 8,328,413 km (0.037 R)
• M11: 10,387,179 km (0.117 R)
• M12: 10,986,767 km (0.084 R)
• M13: 11,460,842 km (0.027 R)
• M14: 12,063,123 km (0.084 R)
• M15: 13,208,594 km (0.09 R)
• M16: 14,124,881 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.3

Radius: 12

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.38 AU - 4.5 AU

Year: 5050 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,333,043 km

• M1: 153,637 km (0.09 R)
• M2: 585,526 km (0.108 R)
• M3: 1,193,641 km (0.072 R)
• M4: 1,655,749 km (0.031 R)
• M5: 3,103,109 km (0.103 R)
• M6: 4,470,284 km (0.103 R)
• M7: 6,558,819 km (0.085 R)
• M8: 7,730,769 km (0.106 R)
• M9: 8,321,232 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.3

Radius: 9.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.39 AU - 4.57 AU

Year: 6123 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,333,043 km

• M1: 121,623 km (0.082 R)
• M2: 455,376 km (0.115 R)
• M3: 890,556 km (0.087 R)
• M4: 1,296,116 km (0.075 R)
• M5: 1,682,677 km (0.073 R)
• M6: 2,087,339 km (0.119 R)
• M7: 3,191,222 km (0.078 R)
• M8: 3,860,523 km (0.107 R)
• M9: 4,228,833 km (0.049 R)
• M10: 4,696,775 km (0.12 R)
• M11: 5,883,983 km (0.057 R)
• M12: 6,436,448 km (0.114 R)
• M13: 8,079,781 km (0.091 R)
• M14: 8,416,526 km (0.045 R)
• M15: 8,840,935 km (0.117 R)
• M16: 9,900,836 km (0.096 R)
• M17: 11,458,898 km (0.104 R)
• M18: 12,419,166 km (0.083 R)
• M19: 13,589,022 km (0.113 R)
• M20: 14,941,985 km (0.085 R)
• M21: 15,450,468 km (0.086 R)
• M22: 19,942,743 km (0.113 R)
• M23: 24,841,624 km (0.088 R)
• M24: 25,157,276 km (0.053 R)
• M25: 26,858,203 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 8.3

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.03 AU - 6.33 AU

Year: 7612 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,333,043 km

• M1: 103,971 km (0.087 R)
• M2: 476,020 km (0.102 R)
• M3: 770,728 km (0.057 R)
• M4: 1,190,201 km (0.096 R)
• M5: 1,472,492 km (0.074 R)
• M6: 1,981,424 km (0.114 R)
• M7: 2,939,149 km (0.115 R)
• M8: 4,203,251 km (0.052 R)
• M9: 7,676,764 km (0.115 R)
• M10: 8,287,273 km (0.074 R)
• M11: 9,062,190 km (0.056 R)
• M12: 9,884,380 km (0.092 R)
• M13: 10,905,535 km (0.084 R)
• M14: 13,042,541 km (0.053 R)
• M15: 13,675,938 km (0.082 R)
• M16: 14,879,902 km (0.072 R)
• M17: 15,699,549 km (0.082 R)
• M18: 16,284,327 km (0.029 R)
• M19: 17,154,537 km (0.091 R)
• M20: 17,428,451 km (0.062 R)
• M21: 18,987,560 km (0.099 R)
• M22: 19,502,476 km (0.08 R)
• M23: 19,876,022 km (0.105 R)
• M24: 21,260,401 km (0.079 R)
• M25: 21,576,650 km (0.111 R)
• M26: 24,825,916 km (0.113 R)
• M27: 27,350,380 km (0.116 R)
• M28: 29,942,163 km (0.109 R)
• M29: 33,326,815 km (0.11 R)
• M30: 37,415,475 km (0.057 R)
• M31: 38,341,485 km (0.085 R)
• M32: 39,998,731 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.7

Radius: 4.6

Gravity: 47.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.7 AU - 8.78 AU

Year: 12578 Days

Day: 17.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,333,043 km

• M1: 62,233 km (0.117 R)
• M2: 254,167 km (0.056 R)
• M3: 457,919 km (0.096 R)
• M4: 1,870,273 km (0.116 R)
• M5: 2,372,772 km (0.102 R)
• M6: 2,633,072 km (0.098 R)
• M7: 4,386,359 km (0.111 R)
• M8: 7,365,601 km (0.072 R)
• M9: 7,593,139 km (0.045 R)
• M10: 12,790,169 km (0.075 R)
• M11: 14,490,349 km (0.092 R)
• M12: 15,210,663 km (0.073 R)
• M13: 19,003,118 km (0.049 R)
• M14: 22,513,432 km (0.056 R)
• M15: 25,284,583 km (0.087 R)
• M16: 27,833,731 km (0.082 R)
• M17: 28,385,598 km (0.115 R)
• M18: 31,970,860 km (0.102 R)
• M19: 42,592,608 km (0.117 R)
• M20: 53,795,993 km (0.1 R)
• M21: 60,528,196 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 11,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit