🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.2

Radius: 10.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.5 AU - 0.56 AU

Year: 266 Days

Day: 8 Hours

Environment

Temp: -151 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,664,136 km

• M1: 134,937 km (0.119 R)
• M2: 481,705 km (0.094 R)
• M3: 864,975 km (0.086 R)
• M4: 1,318,556 km (0.109 R)
• M5: 1,960,330 km (0.117 R)
• M6: 2,396,558 km (0.112 R)
• M7: 2,832,187 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 12.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.72 AU - 0.94 AU

Year: 522 Days

Day: 7.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,664,136 km

• M1: 158,873 km (0.028 R)
• M2: 587,471 km (0.091 R)
• M3: 1,100,592 km (0.111 R)
• M4: 2,142,989 km (0.114 R)
• M5: 2,668,527 km (0.078 R)
• M6: 3,258,840 km (0.029 R)
• M7: 3,794,849 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.1

Radius: 12.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.82 AU - 0.9 AU

Year: 551 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,664,136 km

• M1: 152,590 km (0.055 R)
• M2: 541,694 km (0.062 R)
• M3: 1,142,479 km (0.095 R)
• M4: 2,298,422 km (0.08 R)
• M5: 2,718,044 km (0.104 R)
• M6: 3,132,729 km (0.094 R)
• M7: 3,664,250 km (0.074 R)
• M8: 5,001,206 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.3

Radius: 12.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.91 AU - 1.09 AU

Year: 690 Days

Day: 6.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,664,136 km

• M1: 159,172 km (0.075 R)
• M2: 669,750 km (0.061 R)
• M3: 1,164,619 km (0.116 R)
• M4: 1,851,423 km (0.086 R)
• M5: 2,403,290 km (0.118 R)
• M6: 3,063,465 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.7

Radius: 11

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.41 AU - 1.91 AU

Year: 1476 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,664,136 km

• M1: 136,732 km (0.093 R)
• M2: 542,591 km (0.096 R)
• M3: 911,949 km (0.108 R)
• M4: 1,610,421 km (0.042 R)
• M5: 2,429,021 km (0.106 R)
• M6: 3,206,481 km (0.109 R)
• M7: 3,661,707 km (0.117 R)
• M8: 7,108,442 km (0.087 R)
• M9: 8,633,892 km (0.096 R)
• M10: 10,302,656 km (0.092 R)
• M11: 11,436,009 km (0.097 R)
• M12: 11,926,241 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 11.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.51 AU - 2.31 AU

Year: 1822 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,664,136 km

• M1: 146,756 km (0.113 R)
• M2: 537,954 km (0.111 R)
• M3: 931,995 km (0.083 R)
• M4: 1,537,417 km (0.084 R)
• M5: 2,344,947 km (0.064 R)
• M6: 3,096,078 km (0.116 R)
• M7: 4,364,817 km (0.104 R)
• M8: 5,264,499 km (0.117 R)
• M9: 5,953,397 km (0.111 R)
• M10: 7,322,816 km (0.095 R)
• M11: 8,502,694 km (0.104 R)
• M12: 9,045,435 km (0.052 R)
• M13: 9,968,604 km (0.118 R)
• M14: 10,606,788 km (0.071 R)
• M15: 11,165,237 km (0.054 R)
• M16: 11,596,677 km (0.09 R)
• M17: 12,302,929 km (0.083 R)
• M18: 13,435,684 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.8

Radius: 9.6

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.16 AU - 2.66 AU

Year: 2582 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,664,136 km

• M1: 119,529 km (0.075 R)
• M2: 430,243 km (0.03 R)
• M3: 929,003 km (0.098 R)
• M4: 1,403,527 km (0.095 R)
• M5: 1,986,361 km (0.074 R)
• M6: 2,937,504 km (0.113 R)
• M7: 3,668,738 km (0.118 R)
• M8: 6,221,027 km (0.113 R)
• M9: 6,762,273 km (0.059 R)
• M10: 7,723,738 km (0.059 R)
• M11: 8,974,526 km (0.091 R)
• M12: 9,524,896 km (0.088 R)
• M13: 10,392,564 km (0.099 R)
• M14: 13,847,078 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.6

Radius: 4.6

Gravity: 46.63 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.57 AU - 6.75 AU

Year: 11864 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,664,136 km

• M1: 57,296 km (0.107 R)
• M2: 354,996 km (0.064 R)
• M3: 651,200 km (0.113 R)
• M4: 1,147,266 km (0.093 R)
• M5: 1,359,396 km (0.099 R)
• M6: 1,535,323 km (0.068 R)
• M7: 2,745,869 km (0.118 R)
• M8: 2,980,139 km (0.118 R)
• M9: 3,177,160 km (0.047 R)
• M10: 3,707,933 km (0.056 R)
• M11: 3,878,175 km (0.083 R)
• M12: 4,326,670 km (0.107 R)
• M13: 4,483,598 km (0.062 R)
• M14: 4,808,973 km (0.116 R)
• M15: 6,033,731 km (0.102 R)
• M16: 6,676,403 km (0.076 R)
• M17: 7,187,579 km (0.119 R)
• M18: 7,724,336 km (0.086 R)
• M19: 8,529,921 km (0.059 R)
• M20: 9,442,468 km (0.094 R)
• M21: 11,579,174 km (0.11 R)
• M22: 11,882,409 km (0.116 R)
• M23: 14,924,931 km (0.087 R)
• M24: 17,010,624 km (0.112 R)
• M25: 21,932,993 km (0.101 R)
• M26: 23,441,089 km (0.099 R)
• M27: 24,816,192 km (0.113 R)
• M28: 31,555,726 km (0.051 R)
• M29: 31,791,343 km (0.074 R)
• M30: 33,230,025 km (0.092 R)
• M31: 34,836,856 km (0.069 R)
• M32: 35,088,629 km (0.065 R)
• M33: 37,805,327 km (0.118 R)
• M34: 38,472,234 km (0.099 R)
• M35: 43,799,265 km (0.034 R)
• M36: 51,856,157 km (0.119 R)
• M37: 56,404,381 km (0.115 R)
• M38: 56,751,448 km (0.088 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: 483 - 12,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit