🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.8 AU - 0.82 AU

Year: 279 Days

Day: 40.5 Hours

Environment

Temp: 34 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.66 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.4

Radius: 11.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.13 AU - 7.87 AU

Year: 6345 Days

Day: 10.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 110,588,033 km

• M1: 147,952 km (0.088 R)
• M2: 656,286 km (0.075 R)
• M3: 1,081,593 km (0.101 R)
• M4: 1,826,590 km (0.115 R)
• M5: 2,501,426 km (0.104 R)
• M6: 2,992,556 km (0.095 R)
• M7: 4,865,521 km (0.062 R)
• M8: 6,193,651 km (0.104 R)
• M9: 6,696,449 km (0.094 R)
• M10: 9,515,173 km (0.055 R)
• M11: 10,512,242 km (0.068 R)
• M12: 11,402,649 km (0.062 R)
• M13: 12,902,368 km (0.107 R)
• M14: 15,473,057 km (0.081 R)
• M15: 16,793,857 km (0.09 R)
• M16: 20,616,980 km (0.109 R)
• M17: 21,807,779 km (0.074 R)

Planet 3 - Ice Giant

Semi-Major Axis: 14.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.7

Radius: 5.3

Gravity: 14.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 11.03 AU - 17.41 AU

Year: 20531 Days

Day: 18.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 110,588,033 km

• M1: 65,973 km (0.115 R)
• M2: 389,852 km (0.102 R)
• M3: 950,545 km (0.097 R)
• M4: 1,458,130 km (0.035 R)
• M5: 2,658,055 km (0.117 R)
• M6: 2,964,880 km (0.072 R)
• M7: 3,706,437 km (0.082 R)
• M8: 4,866,718 km (0.065 R)
• M9: 5,040,251 km (0.081 R)
• M10: 5,436,536 km (0.108 R)
• M11: 9,877,798 km (0.115 R)
• M12: 10,440,435 km (0.09 R)
• M13: 10,905,685 km (0.088 R)
• M14: 12,643,713 km (0.091 R)
• M15: 14,701,880 km (0.077 R)
• M16: 19,730,164 km (0.11 R)
• M17: 20,530,812 km (0.106 R)
• M18: 21,913,096 km (0.1 R)
• M19: 26,537,465 km (0.065 R)
• M20: 28,849,351 km (0.045 R)
• M21: 32,871,140 km (0.097 R)
• M22: 38,472,533 km (0.06 R)
• M23: 42,442,711 km (0.113 R)
• M24: 50,359,730 km (0.074 R)
• M25: 59,756,570 km (0.116 R)
• M26: 62,181,253 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.9

Radius: 5.5

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 11.95 AU - 16.81 AU

Year: 20879 Days

Day: 19.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 110,588,033 km

• M1: 68,665 km (0.106 R)
• M2: 525,238 km (0.107 R)
• M3: 747,840 km (0.056 R)
• M4: 980,913 km (0.089 R)
• M5: 2,782,969 km (0.098 R)
• M6: 5,077,801 km (0.11 R)
• M7: 6,169,715 km (0.068 R)
• M8: 6,887,486 km (0.093 R)
• M9: 7,085,404 km (0.084 R)
• M10: 8,442,705 km (0.084 R)
• M11: 11,220,139 km (0.063 R)
• M12: 13,417,583 km (0.104 R)
• M13: 17,445,804 km (0.104 R)
• M14: 17,962,665 km (0.035 R)
• M15: 18,795,476 km (0.109 R)
• M16: 19,026,904 km (0.086 R)
• M17: 19,260,427 km (0.11 R)
• M18: 19,812,443 km (0.062 R)
• M19: 20,783,333 km (0.096 R)
• M20: 23,348,488 km (0.095 R)
• M21: 27,779,427 km (0.042 R)
• M22: 29,303,530 km (0.109 R)
• M23: 33,638,727 km (0.086 R)
• M24: 38,755,423 km (0.092 R)
• M25: 40,527,110 km (0.103 R)
• M26: 42,088,015 km (0.073 R)
• M27: 42,352,055 km (0.06 R)
• M28: 46,869,013 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.6

Radius: 5.4

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 13.34 AU - 19.56 AU

Year: 25546 Days

Day: 21.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 110,588,033 km

• M1: 68,067 km (0.11 R)
• M2: 291,716 km (0.032 R)
• M3: 505,790 km (0.025 R)
• M4: 890,107 km (0.073 R)
• M5: 1,159,683 km (0.057 R)
• M6: 1,389,016 km (0.081 R)
• M7: 2,077,615 km (0.07 R)
• M8: 2,485,718 km (0.12 R)
• M9: 3,432,074 km (0.07 R)
• M10: 7,105,151 km (0.069 R)
• M11: 7,975,960 km (0.061 R)
• M12: 8,489,380 km (0.086 R)
• M13: 10,044,001 km (0.077 R)
• M14: 11,779,187 km (0.101 R)
• M15: 15,124,644 km (0.079 R)
• M16: 22,789,440 km (0.111 R)
• M17: 36,172,316 km (0.078 R)
• M18: 38,575,457 km (0.095 R)
• M19: 41,082,866 km (0.049 R)
• M20: 68,075,708 km (0.1 R)
• M21: 69,563,309 km (0.104 R)
• M22: 69,992,206 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.9

Radius: 5.6

Gravity: 26.85 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 17.14 AU - 20.78 AU

Year: 31610 Days

Day: 16.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 110,588,033 km

• M1: 89,011 km (0.08 R)
• M2: 265,387 km (0.092 R)
• M3: 505,491 km (0.083 R)
• M4: 758,162 km (0.052 R)
• M5: 1,636,002 km (0.053 R)
• M6: 1,859,352 km (0.068 R)
• M7: 2,220,930 km (0.087 R)
• M8: 4,687,350 km (0.105 R)
• M9: 10,073,621 km (0.111 R)
• M10: 16,616,583 km (0.078 R)
• M11: 19,374,719 km (0.074 R)
• M12: 20,322,123 km (0.067 R)
• M13: 20,970,779 km (0.112 R)
• M14: 22,309,231 km (0.08 R)
• M15: 22,883,388 km (0.118 R)
• M16: 23,232,549 km (0.096 R)
• M17: 25,278,749 km (0.071 R)
• M18: 36,851,491 km (0.045 R)
• M19: 44,311,936 km (0.062 R)
• M20: 67,225,693 km (0.112 R)
• M21: 76,935,941 km (0.054 R)
• M22: 84,456,226 km (0.104 R)
• M23: 85,289,785 km (0.092 R)
• M24: 86,129,029 km (0.105 R)
• M25: 93,930,558 km (0.056 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 19,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit