🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.1

Radius: 8.5

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.25 AU - 1.85 AU

Year: 1356 Days

Day: 7.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,610,242 km

• M1: 109,506 km (0.092 R)
• M2: 379,679 km (0.085 R)
• M3: 655,089 km (0.054 R)
• M4: 1,158,187 km (0.074 R)
• M5: 1,611,319 km (0.075 R)
• M6: 1,976,188 km (0.084 R)
• M7: 2,358,560 km (0.116 R)
• M8: 2,667,031 km (0.104 R)
• M9: 3,046,411 km (0.072 R)
• M10: 3,608,151 km (0.089 R)
• M11: 4,145,656 km (0.095 R)
• M12: 4,462,504 km (0.097 R)
• M13: 4,999,112 km (0.099 R)
• M14: 5,667,515 km (0.071 R)
• M15: 6,492,248 km (0.111 R)
• M16: 6,972,308 km (0.063 R)
• M17: 7,612,288 km (0.084 R)
• M18: 8,615,192 km (0.098 R)
• M19: 8,917,230 km (0.094 R)
• M20: 9,542,699 km (0.094 R)
• M21: 13,156,385 km (0.119 R)
• M22: 13,557,457 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.2

Radius: 13.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.71 AU - 1.73 AU

Year: 1586 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,610,242 km

• M1: 167,101 km (0.066 R)
• M2: 624,422 km (0.107 R)
• M3: 1,144,573 km (0.069 R)
• M4: 1,844,392 km (0.119 R)
• M5: 2,655,961 km (0.116 R)
• M6: 3,419,807 km (0.061 R)
• M7: 3,931,731 km (0.113 R)
• M8: 4,946,753 km (0.088 R)
• M9: 6,153,260 km (0.114 R)
• M10: 7,601,666 km (0.075 R)
• M11: 8,046,570 km (0.043 R)
• M12: 9,455,333 km (0.065 R)
• M13: 11,886,897 km (0.113 R)
• M14: 12,564,276 km (0.116 R)
• M15: 13,307,179 km (0.048 R)
• M16: 13,750,587 km (0.053 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.3

Radius: 7.1

Gravity: 13.2 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.59 AU - 8.91 AU

Year: 15166 Days

Day: 20.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,610,242 km

• M1: 88,263 km (0.113 R)
• M2: 354,248 km (0.091 R)
• M3: 1,583,045 km (0.105 R)
• M4: 2,236,189 km (0.075 R)
• M5: 2,504,418 km (0.086 R)
• M6: 3,257,643 km (0.116 R)
• M7: 3,521,683 km (0.1 R)
• M8: 3,915,275 km (0.03 R)
• M9: 4,824,083 km (0.063 R)
• M10: 5,491,289 km (0.11 R)
• M11: 6,218,484 km (0.116 R)
• M12: 6,460,982 km (0.05 R)
• M13: 7,585,659 km (0.1 R)
• M14: 9,090,763 km (0.112 R)
• M15: 9,616,151 km (0.096 R)
• M16: 10,329,135 km (0.095 R)
• M17: 12,233,515 km (0.119 R)
• M18: 13,603,533 km (0.11 R)
• M19: 14,082,096 km (0.04 R)
• M20: 17,914,046 km (0.097 R)
• M21: 18,406,223 km (0.07 R)
• M22: 19,076,272 km (0.072 R)
• M23: 28,653,827 km (0.104 R)
• M24: 28,989,075 km (0.112 R)
• M25: 29,781,346 km (0.037 R)
• M26: 30,010,380 km (0.098 R)
• M27: 30,938,036 km (0.1 R)
• M28: 33,464,146 km (0.086 R)
• M29: 35,736,239 km (0.048 R)
• M30: 40,304,658 km (0.041 R)
• M31: 42,149,649 km (0.04 R)
• M32: 46,620,680 km (0.045 R)
• M33: 48,652,668 km (0.097 R)
• M34: 54,586,318 km (0.117 R)
• M35: 60,250,243 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81

Radius: 5.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.5 AU - 9.52 AU

Year: 15935 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,610,242 km

• M1: 73,153 km (0.088 R)
• M2: 316,998 km (0.094 R)
• M3: 537,356 km (0.065 R)
• M4: 1,007,841 km (0.098 R)
• M5: 6,582,755 km (0.111 R)
• M6: 8,745,791 km (0.064 R)
• M7: 10,592,726 km (0.06 R)
• M8: 17,989,443 km (0.11 R)
• M9: 30,864,584 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.7

Radius: 6

Gravity: 20.44 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.2 AU - 12.04 AU

Year: 22630 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,610,242 km

• M1: 74,649 km (0.041 R)
• M2: 383,419 km (0.085 R)
• M3: 584,180 km (0.087 R)
• M4: 1,272,629 km (0.043 R)
• M5: 2,311,736 km (0.074 R)
• M6: 3,112,533 km (0.11 R)
• M7: 4,018,648 km (0.096 R)
• M8: 4,861,332 km (0.065 R)
• M9: 5,127,916 km (0.092 R)
• M10: 6,116,608 km (0.066 R)
• M11: 8,629,104 km (0.056 R)
• M12: 9,482,111 km (0.04 R)
• M13: 9,838,603 km (0.045 R)
• M14: 12,518,051 km (0.114 R)
• M15: 13,385,868 km (0.105 R)
• M16: 13,834,661 km (0.085 R)
• M17: 16,229,574 km (0.079 R)
• M18: 20,417,417 km (0.108 R)
• M19: 26,772,783 km (0.086 R)
• M20: 38,367,964 km (0.09 R)
• M21: 38,667,908 km (0.104 R)
• M22: 39,272,433 km (0.106 R)
• M23: 39,577,164 km (0.085 R)
• M24: 42,390,352 km (0.077 R)
• M25: 45,333,989 km (0.069 R)
• M26: 49,466,780 km (0.114 R)
• M27: 52,173,454 km (0.109 R)
• M28: 52,541,764 km (0.088 R)
• M29: 58,076,885 km (0.081 R)
• M30: 60,476,734 km (0.1 R)
• M31: 62,733,867 km (0.089 R)
• M32: 66,331,696 km (0.107 R)
• M33: 67,633,646 km (0.105 R)
• M34: 77,227,956 km (0.113 R)
• M35: 80,617,096 km (0.06 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 11,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit