🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.52 AU - 0.56 AU

Year: 252 Days

Day: 45.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,970,394 km

• M1: 110,403 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.43 AU - 0.65 AU

Year: 252 Days

Day: 26.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,970,394 km

• M1: 48,470 km (0.104 R)
• M2: 240,703 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 12.4

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.22 AU - 1.28 AU

Year: 889 Days

Day: 5.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,970,394 km

• M1: 154,385 km (0.103 R)
• M2: 911,500 km (0.094 R)
• M3: 1,533,677 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.2

Radius: 9.2

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.71 AU - 2.67 AU

Year: 2061 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,970,394 km

• M1: 114,592 km (0.087 R)
• M2: 410,048 km (0.099 R)
• M3: 1,092,513 km (0.113 R)
• M4: 1,460,524 km (0.09 R)
• M5: 1,806,843 km (0.106 R)
• M6: 2,451,610 km (0.113 R)
• M7: 4,570,514 km (0.102 R)
• M8: 4,901,873 km (0.118 R)
• M9: 5,249,240 km (0.115 R)
• M10: 5,763,108 km (0.103 R)
• M11: 6,364,193 km (0.071 R)
• M12: 7,328,500 km (0.096 R)
• M13: 8,551,014 km (0.104 R)
• M14: 9,124,573 km (0.105 R)
• M15: 11,678,358 km (0.032 R)
• M16: 12,048,613 km (0.075 R)
• M17: 12,384,460 km (0.108 R)
• M18: 12,899,824 km (0.086 R)
• M19: 13,744,903 km (0.117 R)
• M20: 15,348,742 km (0.066 R)
• M21: 16,864,467 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964

Radius: 8.4

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.71 AU - 2.83 AU

Year: 2175 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,970,394 km

• M1: 105,466 km (0.086 R)
• M2: 528,529 km (0.079 R)
• M3: 1,587,533 km (0.071 R)
• M4: 2,548,549 km (0.091 R)
• M5: 3,079,472 km (0.083 R)
• M6: 3,739,199 km (0.051 R)
• M7: 5,098,146 km (0.045 R)
• M8: 5,967,309 km (0.108 R)
• M9: 6,990,110 km (0.11 R)
• M10: 7,466,729 km (0.043 R)
• M11: 8,993,525 km (0.116 R)
• M12: 9,343,434 km (0.117 R)
• M13: 9,666,117 km (0.049 R)
• M14: 10,679,044 km (0.082 R)
• M15: 11,555,388 km (0.086 R)
• M16: 15,345,600 km (0.069 R)
• M17: 16,878,829 km (0.104 R)
• M18: 17,901,180 km (0.081 R)
• M19: 19,193,257 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.5

Radius: 10.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.96 AU - 2.94 AU

Year: 2438 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,970,394 km

• M1: 135,536 km (0.086 R)
• M2: 528,230 km (0.089 R)
• M3: 890,257 km (0.12 R)
• M4: 1,671,607 km (0.056 R)
• M5: 2,362,599 km (0.107 R)
• M6: 3,071,543 km (0.079 R)
• M7: 5,587,630 km (0.065 R)
• M8: 6,129,623 km (0.105 R)
• M9: 6,683,584 km (0.096 R)
• M10: 8,307,768 km (0.092 R)
• M11: 8,765,687 km (0.089 R)
• M12: 9,240,361 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 14.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.04 AU - 3.22 AU

Year: 2712 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,970,394 km

• M1: 184,155 km (0.102 R)
• M2: 985,551 km (0.05 R)
• M3: 1,615,956 km (0.038 R)
• M4: 2,977,147 km (0.103 R)
• M5: 3,515,999 km (0.12 R)
• M6: 4,085,518 km (0.054 R)
• M7: 5,623,234 km (0.092 R)
• M8: 7,704,141 km (0.072 R)
• M9: 8,585,871 km (0.03 R)
• M10: 9,812,723 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.2

Radius: 7.7

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.95 AU - 7.45 AU

Year: 9816 Days

Day: 24.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,970,394 km

• M1: 118,332 km (0.105 R)
• M2: 553,662 km (0.08 R)
• M3: 925,412 km (0.049 R)
• M4: 1,352,365 km (0.05 R)
• M5: 2,308,146 km (0.105 R)
• M6: 3,006,618 km (0.112 R)
• M7: 3,479,048 km (0.117 R)
• M8: 4,424,058 km (0.118 R)
• M9: 4,815,555 km (0.078 R)
• M10: 5,164,567 km (0.087 R)
• M11: 5,429,056 km (0.115 R)
• M12: 6,771,847 km (0.082 R)
• M13: 8,413,085 km (0.106 R)
• M14: 8,733,673 km (0.079 R)
• M15: 9,496,772 km (0.086 R)
• M16: 11,598,323 km (0.118 R)
• M17: 12,460,755 km (0.075 R)
• M18: 12,877,534 km (0.053 R)
• M19: 13,865,030 km (0.082 R)
• M20: 14,248,000 km (0.058 R)
• M21: 17,130,003 km (0.096 R)
• M22: 20,543,228 km (0.093 R)
• M23: 21,041,240 km (0.039 R)
• M24: 27,162,186 km (0.119 R)
• M25: 31,768,903 km (0.054 R)
• M26: 33,110,198 km (0.056 R)
• M27: 34,256,566 km (0.099 R)
• M28: 37,360,123 km (0.108 R)
• M29: 46,070,609 km (0.05 R)
• M30: 47,787,245 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.4

Radius: 3.1

Gravity: 68.3 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.75 AU - 8.19 AU

Year: 14306 Days

Day: 24.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,970,394 km

• M1: 39,943 km (0.088 R)
• M2: 229,034 km (0.08 R)
• M3: 382,372 km (0.048 R)
• M4: 483,201 km (0.087 R)
• M5: 877,840 km (0.099 R)
• M6: 1,141,731 km (0.048 R)
• M7: 1,723,068 km (0.103 R)
• M8: 2,021,815 km (0.091 R)
• M9: 2,313,082 km (0.067 R)
• M10: 2,631,427 km (0.117 R)
• M11: 2,743,775 km (0.088 R)
• M12: 3,075,732 km (0.042 R)
• M13: 3,276,941 km (0.08 R)
• M14: 3,433,720 km (0.063 R)
• M15: 3,875,931 km (0.118 R)
• M16: 4,110,800 km (0.1 R)
• M17: 4,262,492 km (0.081 R)
• M18: 6,145,331 km (0.083 R)
• M19: 6,383,790 km (0.098 R)
• M20: 6,669,671 km (0.069 R)
• M21: 12,478,706 km (0.115 R)
• M22: 12,989,882 km (0.071 R)
• M23: 15,536,636 km (0.097 R)
• M24: 16,053,198 km (0.104 R)
• M25: 16,202,945 km (0.065 R)
• M26: 16,657,573 km (0.093 R)
• M27: 17,433,986 km (0.077 R)
• M28: 22,325,388 km (0.05 R)
• M29: 23,556,279 km (0.096 R)
• M30: 26,049,028 km (0.108 R)
• M31: 29,154,381 km (0.096 R)
• M32: 31,317,267 km (0.056 R)
• M33: 31,550,939 km (0.105 R)
• M34: 32,497,445 km (0.114 R)
• M35: 33,584,722 km (0.096 R)
• M36: 33,706,943 km (0.092 R)
• M37: 36,602,111 km (0.098 R)
• M38: 45,371,688 km (0.113 R)
• M39: 45,521,136 km (0.097 R)
• M40: 52,591,431 km (0.048 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.4

Radius: 6.8

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.07 AU - 8.23 AU

Year: 14793 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,970,394 km

• M1: 84,972 km (0.105 R)
• M2: 310,565 km (0.079 R)
• M3: 798,853 km (0.117 R)
• M4: 1,122,882 km (0.042 R)
• M5: 1,399,937 km (0.118 R)
• M6: 1,722,320 km (0.049 R)
• M7: 1,964,070 km (0.113 R)
• M8: 2,268,353 km (0.066 R)
• M9: 2,516,984 km (0.067 R)
• M10: 3,927,692 km (0.11 R)
• M11: 4,475,819 km (0.085 R)
• M12: 4,835,302 km (0.118 R)
• M13: 5,686,365 km (0.12 R)
• M14: 6,468,762 km (0.081 R)
• M15: 11,727,276 km (0.048 R)
• M16: 12,859,283 km (0.119 R)
• M17: 14,270,141 km (0.08 R)
• M18: 14,833,676 km (0.106 R)
• M19: 15,412,021 km (0.049 R)
• M20: 19,975,804 km (0.097 R)
• M21: 23,863,553 km (0.114 R)
• M22: 24,757,700 km (0.095 R)
• M23: 31,062,502 km (0.063 R)
• M24: 31,651,469 km (0.08 R)
• M25: 35,470,104 km (0.101 R)
• M26: 36,243,076 km (0.116 R)
• M27: 42,835,705 km (0.117 R)
• M28: 45,803,577 km (0.109 R)
• M29: 48,274,335 km (0.07 R)
• M30: 49,064,362 km (0.105 R)
• M31: 56,740,976 km (0.117 R)
• M32: 60,496,930 km (0.113 R)
• M33: 61,970,320 km (0.109 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 17,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit