🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410

Radius: 12.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.99 AU - 1.23 AU

Year: 807 Days

Day: 6.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,270,313 km

• M1: 165,156 km (0.06 R)
• M2: 754,572 km (0.025 R)
• M3: 1,252,583 km (0.089 R)
• M4: 1,691,503 km (0.095 R)
• M5: 2,847,595 km (0.086 R)
• M6: 3,388,691 km (0.062 R)
• M7: 4,428,247 km (0.117 R)
• M8: 5,124,176 km (0.11 R)
• M9: 5,966,861 km (0.106 R)
• M10: 7,434,865 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 12.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.45 AU - 1.59 AU

Year: 1294 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,270,313 km

• M1: 156,779 km (0.051 R)
• M2: 673,639 km (0.114 R)
• M3: 1,216,380 km (0.103 R)
• M4: 1,939,536 km (0.089 R)
• M5: 2,350,183 km (0.084 R)
• M6: 2,745,420 km (0.091 R)
• M7: 3,998,003 km (0.108 R)
• M8: 4,393,989 km (0.074 R)
• M9: 6,580,810 km (0.079 R)
• M10: 7,041,123 km (0.111 R)
• M11: 7,597,029 km (0.115 R)
• M12: 9,414,194 km (0.107 R)
• M13: 10,332,276 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 10.8

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.63 AU - 2.53 AU

Year: 2071 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,270,313 km

• M1: 134,638 km (0.025 R)
• M2: 508,034 km (0.09 R)
• M3: 847,173 km (0.117 R)
• M4: 1,202,916 km (0.083 R)
• M5: 2,196,246 km (0.099 R)
• M6: 2,784,166 km (0.056 R)
• M7: 4,040,339 km (0.119 R)
• M8: 4,795,061 km (0.047 R)
• M9: 6,637,957 km (0.095 R)
• M10: 7,336,130 km (0.088 R)
• M11: 7,808,261 km (0.059 R)
• M12: 10,116,706 km (0.039 R)
• M13: 10,480,228 km (0.075 R)
• M14: 12,679,168 km (0.115 R)
• M15: 13,577,952 km (0.102 R)
• M16: 14,656,552 km (0.1 R)
• M17: 15,406,786 km (0.06 R)
• M18: 15,937,260 km (0.117 R)
• M19: 16,882,120 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.4

Radius: 14.1

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.11 AU - 2.83 AU

Year: 2680 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,270,313 km

• M1: 175,329 km (0.058 R)
• M2: 939,475 km (0.089 R)
• M3: 1,424,471 km (0.103 R)
• M4: 2,492,151 km (0.049 R)
• M5: 3,470,521 km (0.102 R)
• M6: 3,993,814 km (0.093 R)
• M7: 6,706,173 km (0.117 R)
• M8: 9,873,759 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.9

Radius: 8.3

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.46 AU - 3.56 AU

Year: 3605 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 22,270,313 km

• M1: 103,223 km (0.047 R)
• M2: 371,152 km (0.113 R)
• M3: 651,798 km (0.092 R)
• M4: 1,011,730 km (0.118 R)
• M5: 1,435,840 km (0.036 R)
• M6: 1,739,674 km (0.101 R)
• M7: 2,676,456 km (0.114 R)
• M8: 3,141,106 km (0.094 R)
• M9: 3,412,926 km (0.043 R)
• M10: 3,721,696 km (0.085 R)
• M11: 4,162,561 km (0.098 R)
• M12: 4,539,996 km (0.034 R)
• M13: 7,039,029 km (0.096 R)
• M14: 7,783,876 km (0.101 R)
• M15: 8,139,471 km (0.106 R)
• M16: 8,693,132 km (0.063 R)
• M17: 8,959,865 km (0.118 R)
• M18: 9,430,051 km (0.111 R)
• M19: 11,614,180 km (0.119 R)
• M20: 11,984,884 km (0.067 R)
• M21: 13,803,545 km (0.057 R)
• M22: 17,673,642 km (0.067 R)
• M23: 18,164,473 km (0.113 R)
• M24: 19,045,455 km (0.074 R)
• M25: 19,366,791 km (0.118 R)
• M26: 20,020,533 km (0.067 R)
• M27: 20,756,405 km (0.116 R)
• M28: 21,096,890 km (0.086 R)
• M29: 23,956,005 km (0.043 R)
• M30: 25,478,013 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 11.6

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.76 AU - 4.5 AU

Year: 4774 Days

Day: 6.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 169.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,270,313 km

• M1: 144,212 km (0.032 R)
• M2: 620,981 km (0.105 R)
• M3: 1,367,025 km (0.105 R)
• M4: 1,833,621 km (0.12 R)
• M5: 2,373,071 km (0.091 R)
• M6: 2,808,401 km (0.08 R)
• M7: 3,728,428 km (0.11 R)
• M8: 4,295,852 km (0.09 R)
• M9: 5,030,079 km (0.111 R)
• M10: 6,987,567 km (0.118 R)
• M11: 7,411,527 km (0.105 R)
• M12: 8,706,895 km (0.093 R)
• M13: 10,372,368 km (0.034 R)
• M14: 10,831,634 km (0.052 R)
• M15: 11,545,964 km (0.11 R)
• M16: 12,753,966 km (0.08 R)
• M17: 13,335,154 km (0.113 R)
• M18: 15,958,652 km (0.047 R)
• M19: 16,946,746 km (0.079 R)
• M20: 17,455,828 km (0.081 R)
• M21: 19,734,502 km (0.098 R)
• M22: 23,750,457 km (0.113 R)
• M23: 26,797,317 km (0.065 R)
• M24: 28,727,578 km (0.094 R)
• M25: 30,188,551 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.3

Radius: 14

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.34 AU - 4.84 AU

Year: 5709 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,270,313 km

• M1: 174,132 km (0.057 R)
• M2: 662,120 km (0.096 R)
• M3: 1,253,331 km (0.079 R)
• M4: 1,715,140 km (0.041 R)
• M5: 2,437,996 km (0.037 R)
• M6: 2,964,731 km (0.044 R)
• M7: 3,548,013 km (0.025 R)
• M8: 4,013,860 km (0.053 R)
• M9: 6,247,506 km (0.036 R)
• M10: 6,870,282 km (0.053 R)
• M11: 7,865,108 km (0.099 R)
• M12: 8,627,908 km (0.056 R)
• M13: 10,101,147 km (0.095 R)
• M14: 16,449,183 km (0.108 R)
• M15: 18,345,187 km (0.1 R)
• M16: 20,191,673 km (0.118 R)
• M17: 23,823,162 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.3

Radius: 11.5

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.73 AU - 5.39 AU

Year: 7857 Days

Day: 7.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,270,313 km

• M1: 531,970 km (0.119 R)
• M2: 1,805,945 km (0.074 R)
• M3: 2,396,558 km (0.071 R)
• M4: 3,824,470 km (0.049 R)
• M5: 5,519,264 km (0.097 R)
• M6: 6,191,706 km (0.081 R)
• M7: 14,915,805 km (0.105 R)
• M8: 15,689,525 km (0.071 R)
• M9: 16,059,631 km (0.054 R)
• M10: 19,903,997 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 13,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit