🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.4

Radius: 8.6

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.21 AU - 1.25 AU

Year: 881 Days

Day: 6.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,699,477 km

• M1: 106,962 km (0.058 R)
• M2: 380,876 km (0.119 R)
• M3: 699,669 km (0.107 R)
• M4: 1,112,709 km (0.104 R)
• M5: 1,394,701 km (0.119 R)
• M6: 1,820,008 km (0.12 R)
• M7: 2,206,718 km (0.1 R)
• M8: 3,384,652 km (0.05 R)
• M9: 4,048,866 km (0.088 R)
• M10: 4,477,763 km (0.084 R)
• M11: 4,901,425 km (0.068 R)
• M12: 5,445,063 km (0.109 R)
• M13: 5,849,127 km (0.096 R)
• M14: 6,129,623 km (0.075 R)
• M15: 6,460,982 km (0.068 R)
• M16: 7,069,846 km (0.057 R)
• M17: 7,527,914 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 14.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.63 AU - 1.65 AU

Year: 1356 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,699,477 km

• M1: 181,612 km (0.047 R)
• M2: 659,278 km (0.117 R)
• M3: 1,397,244 km (0.066 R)
• M4: 1,922,632 km (0.115 R)
• M5: 2,457,295 km (0.095 R)
• M6: 2,923,292 km (0.095 R)
• M7: 3,558,185 km (0.051 R)
• M8: 4,037,497 km (0.097 R)
• M9: 4,828,570 km (0.071 R)
• M10: 5,313,866 km (0.097 R)
• M11: 6,218,933 km (0.088 R)
• M12: 8,027,272 km (0.079 R)
• M13: 8,829,416 km (0.075 R)
• M14: 9,715,933 km (0.113 R)
• M15: 10,262,863 km (0.059 R)
• M16: 10,932,463 km (0.06 R)
• M17: 12,583,724 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.6

Radius: 13.5

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.91 AU - 2.49 AU

Year: 2107 Days

Day: 14.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,699,477 km

• M1: 167,849 km (0.086 R)
• M2: 688,749 km (0.107 R)
• M3: 1,286,392 km (0.079 R)
• M4: 1,778,270 km (0.091 R)
• M5: 2,388,180 km (0.065 R)
• M6: 3,621,316 km (0.066 R)
• M7: 4,584,277 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958

Radius: 11.8

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.6 AU - 3.12 AU

Year: 3123 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,699,477 km

• M1: 146,756 km (0.116 R)
• M2: 516,412 km (0.107 R)
• M3: 920,625 km (0.063 R)
• M4: 1,389,166 km (0.072 R)
• M5: 1,800,261 km (0.036 R)
• M6: 2,381,748 km (0.111 R)
• M7: 2,944,834 km (0.107 R)
• M8: 4,317,095 km (0.093 R)
• M9: 5,107,571 km (0.105 R)
• M10: 5,659,287 km (0.116 R)
• M11: 6,163,582 km (0.036 R)
• M12: 7,262,378 km (0.064 R)
• M13: 9,187,404 km (0.108 R)
• M14: 11,652,328 km (0.084 R)
• M15: 14,374,710 km (0.117 R)
• M16: 15,209,316 km (0.1 R)
• M17: 17,730,489 km (0.083 R)
• M18: 18,935,949 km (0.08 R)
• M19: 20,648,695 km (0.079 R)
• M20: 21,576,501 km (0.104 R)
• M21: 21,982,510 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.2

Radius: 13.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.2 AU - 3.66 AU

Year: 3238 Days

Day: 5.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,699,477 km

• M1: 168,148 km (0.05 R)
• M2: 741,856 km (0.11 R)
• M3: 1,581,997 km (0.115 R)
• M4: 2,023,461 km (0.06 R)
• M5: 3,024,271 km (0.047 R)
• M6: 4,332,504 km (0.074 R)
• M7: 5,059,699 km (0.095 R)
• M8: 5,604,535 km (0.094 R)
• M9: 6,063,351 km (0.096 R)
• M10: 7,057,130 km (0.118 R)
• M11: 9,334,159 km (0.109 R)
• M12: 12,384,310 km (0.109 R)
• M13: 15,012,296 km (0.108 R)
• M14: 15,476,199 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737

Radius: 8.6

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.92 AU - 3.1 AU

Year: 3372 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,699,477 km

• M1: 111,600 km (0.081 R)
• M2: 410,497 km (0.118 R)
• M3: 890,407 km (0.063 R)
• M4: 1,240,017 km (0.091 R)
• M5: 2,442,784 km (0.109 R)
• M6: 3,983,791 km (0.074 R)
• M7: 4,470,583 km (0.047 R)
• M8: 7,199,248 km (0.108 R)
• M9: 9,133,548 km (0.03 R)
• M10: 10,020,215 km (0.109 R)
• M11: 10,423,232 km (0.118 R)
• M12: 10,753,245 km (0.119 R)
• M13: 13,553,268 km (0.103 R)
• M14: 13,946,860 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.5

Radius: 4.2

Gravity: 45.72 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.97 AU - 9.37 AU

Year: 17930 Days

Day: 20.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 96.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,699,477 km

• M1: 80,035 km (0.028 R)
• M2: 309,219 km (0.059 R)
• M3: 502,200 km (0.106 R)
• M4: 658,380 km (0.11 R)
• M5: 1,988,156 km (0.048 R)
• M6: 2,475,396 km (0.119 R)
• M7: 4,020,293 km (0.059 R)
• M8: 4,583,230 km (0.074 R)
• M9: 4,793,864 km (0.091 R)
• M10: 5,310,724 km (0.091 R)
• M11: 6,239,129 km (0.057 R)
• M12: 8,204,845 km (0.103 R)
• M13: 9,495,575 km (0.079 R)
• M14: 12,069,706 km (0.059 R)
• M15: 12,404,057 km (0.092 R)
• M16: 14,317,563 km (0.062 R)
• M17: 14,616,759 km (0.076 R)
• M18: 14,920,293 km (0.063 R)
• M19: 15,383,149 km (0.053 R)
• M20: 16,664,604 km (0.118 R)
• M21: 17,079,140 km (0.113 R)
• M22: 25,656,184 km (0.063 R)
• M23: 30,056,456 km (0.105 R)
• M24: 40,165,233 km (0.116 R)
• M25: 41,663,755 km (0.115 R)
• M26: 58,749,627 km (0.083 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: 289 - 18,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit