🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 11.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.92 AU - 1.18 AU

Year: 730 Days

Day: 12.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,908,414 km

• M1: 144,212 km (0.102 R)
• M2: 515,664 km (0.084 R)
• M3: 915,689 km (0.113 R)
• M4: 1,427,912 km (0.032 R)
• M5: 2,004,312 km (0.051 R)
• M6: 2,785,812 km (0.119 R)
• M7: 3,199,150 km (0.081 R)
• M8: 3,613,985 km (0.065 R)
• M9: 4,079,085 km (0.12 R)
• M10: 4,948,997 km (0.098 R)
• M11: 5,367,721 km (0.085 R)
• M12: 5,773,879 km (0.064 R)
• M13: 6,296,126 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.1

Radius: 13

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.06 AU - 1.68 AU

Year: 1088 Days

Day: 10.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,908,414 km

• M1: 161,715 km (0.073 R)
• M2: 602,730 km (0.109 R)
• M3: 1,058,704 km (0.043 R)
• M4: 2,083,898 km (0.051 R)
• M5: 2,618,412 km (0.108 R)
• M6: 3,068,701 km (0.043 R)
• M7: 3,765,378 km (0.117 R)
• M8: 4,192,929 km (0.054 R)
• M9: 5,338,699 km (0.046 R)
• M10: 5,880,842 km (0.115 R)
• M11: 7,631,586 km (0.109 R)
• M12: 8,138,423 km (0.095 R)
• M13: 8,776,309 km (0.081 R)
• M14: 9,475,978 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.3

Radius: 8.9

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.15 AU - 2.29 AU

Year: 2243 Days

Day: 11 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,908,414 km

• M1: 110,702 km (0.086 R)
• M2: 455,376 km (0.114 R)
• M3: 760,406 km (0.072 R)
• M4: 1,095,804 km (0.081 R)
• M5: 1,724,265 km (0.086 R)
• M6: 2,052,932 km (0.114 R)
• M7: 2,409,872 km (0.098 R)
• M8: 2,778,182 km (0.116 R)
• M9: 3,384,203 km (0.03 R)
• M10: 4,173,481 km (0.072 R)
• M11: 5,616,652 km (0.037 R)
• M12: 6,164,330 km (0.056 R)
• M13: 6,884,644 km (0.077 R)
• M14: 7,571,148 km (0.082 R)
• M15: 8,782,891 km (0.115 R)
• M16: 9,079,992 km (0.05 R)
• M17: 9,694,540 km (0.113 R)
• M18: 10,336,315 km (0.067 R)
• M19: 11,944,193 km (0.117 R)
• M20: 14,475,240 km (0.101 R)
• M21: 15,408,730 km (0.108 R)
• M22: 16,782,338 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 14.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.53 AU - 3.03 AU

Year: 3144 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,908,414 km

• M1: 176,974 km (0.118 R)
• M2: 1,066,782 km (0.072 R)
• M3: 1,927,569 km (0.116 R)
• M4: 3,363,259 km (0.101 R)
• M5: 3,933,526 km (0.107 R)
• M6: 4,499,455 km (0.052 R)
• M7: 5,796,319 km (0.034 R)
• M8: 6,861,905 km (0.088 R)
• M9: 8,329,460 km (0.115 R)
• M10: 11,312,441 km (0.047 R)
• M11: 12,101,421 km (0.07 R)
• M12: 13,497,468 km (0.075 R)
• M13: 19,296,330 km (0.098 R)
• M14: 21,527,283 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.2

Radius: 8.4

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.55 AU - 4.91 AU

Year: 6977 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,908,414 km

• M1: 104,569 km (0.085 R)
• M2: 482,004 km (0.054 R)
• M3: 860,786 km (0.113 R)
• M4: 1,224,459 km (0.085 R)
• M5: 1,611,468 km (0.106 R)
• M6: 2,938,252 km (0.073 R)
• M7: 4,120,823 km (0.061 R)
• M8: 4,510,675 km (0.071 R)
• M9: 6,265,757 km (0.112 R)
• M10: 9,687,210 km (0.056 R)
• M11: 10,495,936 km (0.052 R)
• M12: 11,432,718 km (0.038 R)
• M13: 11,986,230 km (0.043 R)
• M14: 14,527,898 km (0.1 R)
• M15: 15,329,892 km (0.059 R)
• M16: 16,161,208 km (0.084 R)
• M17: 17,969,995 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971

Radius: 7.9

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.3 AU - 8.7 AU

Year: 12561 Days

Day: 19.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,908,414 km

• M1: 98,286 km (0.038 R)
• M2: 364,271 km (0.077 R)
• M3: 614,099 km (0.109 R)
• M4: 910,453 km (0.07 R)
• M5: 1,442,871 km (0.1 R)
• M6: 1,754,484 km (0.103 R)
• M7: 2,017,477 km (0.062 R)
• M8: 2,266,707 km (0.047 R)
• M9: 2,558,124 km (0.065 R)
• M10: 2,874,673 km (0.12 R)
• M11: 3,642,110 km (0.1 R)
• M12: 4,014,459 km (0.056 R)
• M13: 5,249,988 km (0.081 R)
• M14: 8,063,325 km (0.117 R)
• M15: 11,688,979 km (0.11 R)
• M16: 11,934,769 km (0.108 R)
• M17: 13,889,265 km (0.118 R)
• M18: 16,737,010 km (0.071 R)
• M19: 20,215,011 km (0.116 R)
• M20: 22,879,798 km (0.106 R)
• M21: 27,572,683 km (0.109 R)
• M22: 27,899,255 km (0.107 R)
• M23: 30,722,466 km (0.081 R)
• M24: 39,492,192 km (0.061 R)
• M25: 40,185,728 km (0.039 R)
• M26: 43,334,165 km (0.095 R)
• M27: 46,182,359 km (0.092 R)
• M28: 48,359,157 km (0.117 R)
• M29: 49,955,367 km (0.077 R)
• M30: 53,252,354 km (0.085 R)
• M31: 55,298,703 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.9

Radius: 6.6

Gravity: 19.3 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.11 AU - 9.27 AU

Year: 15897 Days

Day: 18.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,908,414 km

• M1: 82,877 km (0.11 R)
• M2: 407,355 km (0.035 R)
• M3: 1,147,116 km (0.104 R)
• M4: 1,381,536 km (0.09 R)
• M5: 2,223,324 km (0.115 R)
• M6: 3,943,849 km (0.118 R)
• M7: 4,789,675 km (0.08 R)
• M8: 7,285,416 km (0.069 R)
• M9: 7,852,691 km (0.075 R)
• M10: 8,602,626 km (0.102 R)
• M11: 8,915,584 km (0.088 R)
• M12: 9,731,341 km (0.074 R)
• M13: 10,186,119 km (0.089 R)
• M14: 10,655,108 km (0.055 R)
• M15: 11,385,445 km (0.057 R)
• M16: 11,826,609 km (0.119 R)
• M17: 16,245,132 km (0.098 R)
• M18: 18,993,843 km (0.104 R)
• M19: 19,524,916 km (0.097 R)
• M20: 22,821,754 km (0.113 R)
• M21: 24,032,449 km (0.095 R)
• M22: 40,733,705 km (0.059 R)
• M23: 47,343,089 km (0.112 R)
• M24: 47,666,818 km (0.109 R)
• M25: 47,991,895 km (0.095 R)
• M26: 49,974,216 km (0.116 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 12,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit