🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642

Radius: 8.8

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.62 AU - 0.84 AU

Year: 416 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,232,337 km

• M1: 109,506 km (0.035 R)
• M2: 426,952 km (0.11 R)
• M3: 859,290 km (0.114 R)
• M4: 1,266,645 km (0.085 R)
• M5: 1,570,478 km (0.052 R)
• M6: 2,036,027 km (0.059 R)
• M7: 2,328,790 km (0.102 R)
• M8: 2,739,885 km (0.09 R)
• M9: 3,032,947 km (0.073 R)
• M10: 3,464,687 km (0.034 R)
• M11: 3,833,894 km (0.04 R)
• M12: 4,710,239 km (0.098 R)
• M13: 5,450,898 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 13.6

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.82 AU - 0.9 AU

Year: 532 Days

Day: 12.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,232,337 km

• M1: 169,195 km (0.051 R)
• M2: 1,158,785 km (0.106 R)
• M3: 2,490,805 km (0.114 R)
• M4: 2,999,737 km (0.05 R)
• M5: 3,778,992 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.8

Radius: 10.7

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.7 AU - 1.1 AU

Year: 569 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,232,337 km

• M1: 133,142 km (0.117 R)
• M2: 503,696 km (0.118 R)
• M3: 875,896 km (0.038 R)
• M4: 1,254,378 km (0.107 R)
• M5: 1,672,953 km (0.091 R)
• M6: 2,029,594 km (0.063 R)
• M7: 2,634,718 km (0.09 R)
• M8: 2,980,588 km (0.044 R)
• M9: 3,471,867 km (0.092 R)
• M10: 3,833,595 km (0.099 R)
• M11: 4,586,521 km (0.048 R)
• M12: 4,990,136 km (0.119 R)
• M13: 5,364,879 km (0.092 R)
• M14: 5,740,220 km (0.101 R)
• M15: 6,444,227 km (0.063 R)
• M16: 6,972,757 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.7

Radius: 10.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.91 AU - 1.49 AU

Year: 877 Days

Day: 14.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,232,337 km

• M1: 129,402 km (0.116 R)
• M2: 489,634 km (0.095 R)
• M3: 1,045,240 km (0.105 R)
• M4: 1,473,689 km (0.093 R)
• M5: 1,849,030 km (0.103 R)
• M6: 2,225,268 km (0.09 R)
• M7: 2,562,911 km (0.07 R)
• M8: 3,055,985 km (0.1 R)
• M9: 3,512,408 km (0.104 R)
• M10: 4,177,820 km (0.111 R)
• M11: 5,371,760 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.4

Radius: 10.7

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.04 AU - 1.5 AU

Year: 954 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,232,337 km

• M1: 133,142 km (0.072 R)
• M2: 533,466 km (0.088 R)
• M3: 970,890 km (0.025 R)
• M4: 1,508,096 km (0.101 R)
• M5: 2,042,161 km (0.047 R)
• M6: 2,821,715 km (0.087 R)
• M7: 3,364,007 km (0.075 R)
• M8: 3,743,238 km (0.091 R)
• M9: 4,118,579 km (0.102 R)
• M10: 4,890,803 km (0.097 R)
• M11: 5,595,708 km (0.068 R)
• M12: 6,677,002 km (0.117 R)
• M13: 7,090,041 km (0.068 R)
• M14: 7,967,882 km (0.115 R)
• M15: 8,672,637 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648

Radius: 7.7

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.33 AU - 11.81 AU

Year: 19742 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,232,337 km

• M1: 101,577 km (0.045 R)
• M2: 428,000 km (0.085 R)
• M3: 790,475 km (0.105 R)
• M4: 1,170,155 km (0.099 R)
• M5: 1,880,894 km (0.1 R)
• M6: 2,132,667 km (0.095 R)
• M7: 2,564,855 km (0.095 R)
• M8: 6,745,368 km (0.092 R)
• M9: 10,554,429 km (0.106 R)
• M10: 10,858,412 km (0.026 R)
• M11: 12,001,639 km (0.112 R)
• M12: 12,738,558 km (0.079 R)
• M13: 14,977,589 km (0.096 R)
• M14: 18,324,991 km (0.103 R)
• M15: 19,482,430 km (0.113 R)
• M16: 20,973,173 km (0.105 R)
• M17: 22,338,552 km (0.102 R)
• M18: 26,676,891 km (0.106 R)
• M19: 28,278,186 km (0.11 R)
• M20: 28,629,442 km (0.102 R)
• M21: 30,185,559 km (0.06 R)
• M22: 38,818,852 km (0.089 R)
• M23: 43,150,758 km (0.088 R)
• M24: 45,352,988 km (0.08 R)
• M25: 54,008,571 km (0.025 R)
• M26: 54,730,680 km (0.116 R)
• M27: 55,276,413 km (0.114 R)
• M28: 56,378,650 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.3

Radius: 3.7

Gravity: 41.15 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 8.56 AU - 13.44 AU

Year: 24329 Days

Day: 17.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,232,337 km

• M1: 46,076 km (0.086 R)
• M2: 163,211 km (0.106 R)
• M3: 293,511 km (0.028 R)
• M4: 725,101 km (0.058 R)
• M5: 1,154,297 km (0.11 R)
• M6: 1,539,811 km (0.104 R)
• M7: 3,153,224 km (0.106 R)
• M8: 4,607,166 km (0.056 R)
• M9: 5,049,527 km (0.089 R)
• M10: 5,241,909 km (0.056 R)
• M11: 5,932,902 km (0.077 R)
• M12: 6,060,958 km (0.06 R)
• M13: 7,794,797 km (0.061 R)
• M14: 8,261,692 km (0.09 R)
• M15: 11,527,414 km (0.101 R)
• M16: 12,408,545 km (0.106 R)
• M17: 13,850,220 km (0.085 R)
• M18: 14,534,032 km (0.12 R)
• M19: 16,804,927 km (0.083 R)
• M20: 18,655,602 km (0.077 R)
• M21: 18,930,563 km (0.095 R)
• M22: 19,582,810 km (0.095 R)
• M23: 24,245,776 km (0.026 R)
• M24: 24,793,304 km (0.094 R)
• M25: 28,012,500 km (0.105 R)
• M26: 28,493,906 km (0.059 R)
• M27: 30,222,510 km (0.046 R)
• M28: 30,348,621 km (0.109 R)
• M29: 33,346,413 km (0.069 R)
• M30: 33,751,374 km (0.111 R)
• M31: 38,130,253 km (0.097 R)
• M32: 45,137,866 km (0.094 R)
• M33: 45,302,723 km (0.053 R)
• M34: 47,481,317 km (0.097 R)
• M35: 47,993,839 km (0.115 R)
• M36: 54,995,917 km (0.07 R)
• M37: 57,087,146 km (0.077 R)
• M38: 70,093,634 km (0.084 R)
• M39: 71,426,551 km (0.054 R)
• M40: 72,550,031 km (0.059 R)
• M41: 76,692,096 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 12,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit