🌌 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: 114.9

Radius: 11.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.47 AU - 0.57 AU

Year: 259 Days

Day: 5.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,924,976 km

• M1: 138,079 km (0.084 R)
• M2: 520,002 km (0.057 R)
• M3: 1,022,950 km (0.096 R)
• M4: 1,502,262 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.1

Radius: 10.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.56 AU - 0.74 AU

Year: 362 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,924,976 km

• M1: 128,056 km (0.106 R)
• M2: 469,438 km (0.088 R)
• M3: 1,044,642 km (0.053 R)
• M4: 1,857,856 km (0.119 R)
• M5: 2,253,243 km (0.091 R)
• M6: 3,110,738 km (0.071 R)
• M7: 3,557,587 km (0.097 R)
• M8: 4,366,762 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 11.2

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.1 AU - 1.74 AU

Year: 1168 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,924,976 km

• M1: 139,276 km (0.098 R)
• M2: 567,574 km (0.119 R)
• M3: 1,294,321 km (0.094 R)
• M4: 1,694,345 km (0.085 R)
• M5: 2,155,107 km (0.097 R)
• M6: 3,125,399 km (0.088 R)
• M7: 3,612,938 km (0.111 R)
• M8: 4,080,731 km (0.043 R)
• M9: 4,476,267 km (0.118 R)
• M10: 5,220,517 km (0.056 R)
• M11: 6,045,400 km (0.097 R)
• M12: 6,731,755 km (0.099 R)
• M13: 8,036,248 km (0.093 R)
• M14: 8,602,775 km (0.103 R)
• M15: 9,911,308 km (0.04 R)
• M16: 10,397,650 km (0.098 R)
• M17: 11,313,339 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 10.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.36 AU - 1.58 AU

Year: 1230 Days

Day: 14.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,924,976 km

• M1: 129,402 km (0.095 R)
• M2: 552,166 km (0.073 R)
• M3: 905,965 km (0.069 R)
• M4: 1,271,283 km (0.047 R)
• M5: 1,963,472 km (0.111 R)
• M6: 2,737,791 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.3

Radius: 10.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.27 AU - 1.71 AU

Year: 1255 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,924,976 km

• M1: 128,205 km (0.111 R)
• M2: 460,612 km (0.118 R)
• M3: 929,900 km (0.056 R)
• M4: 1,286,093 km (0.11 R)
• M5: 1,670,111 km (0.119 R)
• M6: 2,159,445 km (0.078 R)
• M7: 2,788,056 km (0.101 R)
• M8: 3,146,043 km (0.111 R)
• M9: 6,834,528 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 9.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.32 AU - 2.84 AU

Year: 2860 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,924,976 km

• M1: 122,072 km (0.099 R)
• M2: 540,946 km (0.099 R)
• M3: 850,913 km (0.067 R)
• M4: 1,550,432 km (0.091 R)
• M5: 1,940,883 km (0.053 R)
• M6: 2,514,890 km (0.1 R)
• M7: 2,849,690 km (0.069 R)
• M8: 3,166,987 km (0.108 R)
• M9: 3,855,736 km (0.12 R)
• M10: 4,245,588 km (0.08 R)
• M11: 4,764,543 km (0.116 R)
• M12: 5,170,252 km (0.104 R)
• M13: 9,133,100 km (0.088 R)
• M14: 10,882,647 km (0.116 R)
• M15: 12,205,840 km (0.111 R)
• M16: 15,033,090 km (0.12 R)
• M17: 15,351,584 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 11.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.97 AU - 3.01 AU

Year: 3569 Days

Day: 8.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,924,976 km

• M1: 143,165 km (0.084 R)
• M2: 521,648 km (0.039 R)
• M3: 902,674 km (0.064 R)
• M4: 1,528,890 km (0.115 R)
• M5: 2,033,035 km (0.097 R)
• M6: 2,443,382 km (0.057 R)
• M7: 3,257,942 km (0.09 R)
• M8: 3,805,471 km (0.118 R)
• M9: 4,542,839 km (0.043 R)
• M10: 5,722,119 km (0.068 R)
• M11: 6,662,042 km (0.104 R)
• M12: 7,455,210 km (0.11 R)
• M13: 9,194,435 km (0.052 R)
• M14: 9,842,493 km (0.052 R)
• M15: 11,678,657 km (0.11 R)
• M16: 12,054,746 km (0.12 R)
• M17: 13,503,751 km (0.098 R)
• M18: 15,312,539 km (0.07 R)
• M19: 16,639,771 km (0.111 R)
• M20: 18,320,802 km (0.119 R)
• M21: 19,001,024 km (0.113 R)
• M22: 19,697,851 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.8

Radius: 9.2

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.43 AU - 4.01 AU

Year: 4953 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,924,976 km

• M1: 114,442 km (0.116 R)
• M2: 562,787 km (0.047 R)
• M3: 904,469 km (0.072 R)
• M4: 1,495,829 km (0.11 R)
• M5: 2,046,050 km (0.095 R)
• M6: 3,492,961 km (0.071 R)
• M7: 4,397,280 km (0.056 R)
• M8: 5,130,010 km (0.088 R)
• M9: 6,984,575 km (0.106 R)
• M10: 9,649,063 km (0.085 R)
• M11: 11,663,548 km (0.096 R)
• M12: 16,452,175 km (0.073 R)
• M13: 18,896,305 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 13.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.33 AU - 4.27 AU

Year: 5113 Days

Day: 5.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,924,976 km

• M1: 185,352 km (0.089 R)
• M2: 956,230 km (0.114 R)
• M3: 1,545,645 km (0.111 R)
• M4: 3,347,851 km (0.09 R)
• M5: 4,555,405 km (0.103 R)
• M6: 7,124,000 km (0.101 R)
• M7: 11,289,104 km (0.06 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.1

Radius: 13

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.88 AU - 6.13 AU

Year: 7717 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,924,976 km

• M1: 163,211 km (0.074 R)
• M2: 590,612 km (0.083 R)
• M3: 1,218,026 km (0.091 R)
• M4: 2,152,863 km (0.07 R)
• M5: 2,717,894 km (0.067 R)
• M6: 3,450,475 km (0.118 R)
• M7: 3,889,545 km (0.085 R)
• M8: 4,647,557 km (0.101 R)
• M9: 6,174,203 km (0.096 R)
• M10: 8,833,605 km (0.107 R)
• M11: 9,333,710 km (0.113 R)
• M12: 10,341,402 km (0.028 R)
• M13: 11,367,194 km (0.117 R)
• M14: 11,850,395 km (0.086 R)
• M15: 13,561,197 km (0.073 R)
• M16: 17,326,725 km (0.101 R)
• M17: 20,063,318 km (0.069 R)
• M18: 23,765,567 km (0.109 R)
• M19: 32,599,770 km (0.108 R)
• M20: 38,880,636 km (0.086 R)
• M21: 41,604,065 km (0.07 R)
• M22: 42,754,024 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 17,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit