🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.6

Radius: 14.8

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.78 AU - 1.16 AU

Year: 648 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,290,363 km

• M1: 184,903 km (0.1 R)
• M2: 938,577 km (0.095 R)
• M3: 1,405,472 km (0.11 R)
• M4: 2,194,900 km (0.072 R)
• M5: 2,961,140 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.3

Radius: 12.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.97 AU - 1.13 AU

Year: 730 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,290,363 km

• M1: 157,975 km (0.115 R)
• M2: 791,373 km (0.103 R)
• M3: 1,367,773 km (0.109 R)
• M4: 1,863,541 km (0.08 R)
• M5: 2,510,402 km (0.109 R)
• M6: 3,102,660 km (0.118 R)
• M7: 3,647,794 km (0.114 R)
• M8: 4,120,524 km (0.12 R)
• M9: 4,748,386 km (0.091 R)
• M10: 5,225,304 km (0.108 R)
• M11: 6,255,884 km (0.108 R)
• M12: 6,936,704 km (0.111 R)
• M13: 7,439,951 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 8.9

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.88 AU - 1.3 AU

Year: 772 Days

Day: 12.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,290,363 km

• M1: 110,702 km (0.099 R)
• M2: 442,511 km (0.067 R)
• M3: 728,542 km (0.099 R)
• M4: 1,044,941 km (0.091 R)
• M5: 1,349,822 km (0.111 R)
• M6: 1,740,721 km (0.098 R)
• M7: 2,075,072 km (0.073 R)
• M8: 2,430,217 km (0.089 R)
• M9: 2,776,985 km (0.073 R)
• M10: 3,117,320 km (0.091 R)
• M11: 3,928,141 km (0.103 R)
• M12: 4,408,200 km (0.107 R)
• M13: 5,017,064 km (0.095 R)
• M14: 7,183,241 km (0.092 R)
• M15: 7,608,847 km (0.09 R)
• M16: 8,026,225 km (0.104 R)
• M17: 9,014,618 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.6

Radius: 8.9

Gravity: 10.86 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.14 AU - 1.34 AU

Year: 937 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,290,363 km

• M1: 111,002 km (0.088 R)
• M2: 532,868 km (0.039 R)
• M3: 822,339 km (0.039 R)
• M4: 1,314,965 km (0.083 R)
• M5: 1,646,923 km (0.09 R)
• M6: 2,127,880 km (0.117 R)
• M7: 2,518,480 km (0.117 R)
• M8: 2,839,068 km (0.093 R)
• M9: 3,228,920 km (0.108 R)
• M10: 3,578,381 km (0.097 R)
• M11: 4,017,900 km (0.101 R)
• M12: 4,370,801 km (0.082 R)
• M13: 4,817,949 km (0.085 R)
• M14: 5,100,689 km (0.073 R)
• M15: 5,474,833 km (0.107 R)
• M16: 5,845,986 km (0.09 R)
• M17: 6,389,475 km (0.106 R)
• M18: 7,279,582 km (0.101 R)
• M19: 8,573,903 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.6

Radius: 9.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.38 AU - 2.52 AU

Year: 2601 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,290,363 km

• M1: 116,986 km (0.116 R)
• M2: 428,299 km (0.075 R)
• M3: 721,211 km (0.091 R)
• M4: 1,050,027 km (0.095 R)
• M5: 1,385,725 km (0.113 R)
• M6: 1,733,391 km (0.114 R)
• M7: 2,093,772 km (0.11 R)
• M8: 2,594,925 km (0.104 R)
• M9: 2,981,934 km (0.09 R)
• M10: 3,838,083 km (0.098 R)
• M11: 5,118,042 km (0.055 R)
• M12: 5,936,492 km (0.102 R)
• M13: 6,788,602 km (0.04 R)
• M14: 7,284,220 km (0.096 R)
• M15: 8,347,860 km (0.091 R)
• M16: 8,704,352 km (0.102 R)
• M17: 10,991,105 km (0.104 R)
• M18: 13,733,085 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.3

Radius: 8

Gravity: 15.25 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.14 AU - 4.5 AU

Year: 6090 Days

Day: 12.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,290,363 km

• M1: 99,782 km (0.114 R)
• M2: 352,303 km (0.104 R)
• M3: 640,578 km (0.063 R)
• M4: 912,248 km (0.113 R)
• M5: 1,673,103 km (0.072 R)
• M6: 2,802,866 km (0.044 R)
• M7: 3,347,701 km (0.12 R)
• M8: 3,622,064 km (0.072 R)
• M9: 4,731,481 km (0.077 R)
• M10: 5,503,706 km (0.116 R)
• M11: 6,495,988 km (0.034 R)
• M12: 7,145,991 km (0.119 R)
• M13: 7,641,908 km (0.033 R)
• M14: 8,119,873 km (0.115 R)
• M15: 10,044,300 km (0.119 R)
• M16: 11,622,259 km (0.057 R)
• M17: 12,579,087 km (0.119 R)
• M18: 14,648,623 km (0.11 R)
• M19: 14,953,055 km (0.096 R)
• M20: 17,338,244 km (0.119 R)
• M21: 17,885,473 km (0.076 R)
• M22: 18,942,531 km (0.026 R)
• M23: 19,303,960 km (0.107 R)
• M24: 21,569,919 km (0.074 R)
• M25: 23,506,014 km (0.104 R)
• M26: 25,292,662 km (0.108 R)
• M27: 29,519,250 km (0.056 R)
• M28: 30,005,144 km (0.113 R)
• M29: 34,514,772 km (0.105 R)
• M30: 36,039,324 km (0.039 R)
• M31: 36,483,031 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.5

Radius: 4

Gravity: 45.72 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.44 AU - 8.34 AU

Year: 15032 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,290,363 km

• M1: 117,883 km (0.105 R)
• M2: 504,444 km (0.102 R)
• M3: 801,246 km (0.106 R)
• M4: 2,552,439 km (0.117 R)
• M5: 2,733,901 km (0.102 R)
• M6: 4,575,152 km (0.097 R)
• M7: 5,337,502 km (0.037 R)
• M8: 7,747,225 km (0.065 R)
• M9: 9,345,529 km (0.104 R)
• M10: 11,271,152 km (0.027 R)
• M11: 13,310,620 km (0.101 R)
• M12: 17,048,473 km (0.055 R)
• M13: 17,773,424 km (0.115 R)
• M14: 20,788,419 km (0.088 R)
• M15: 24,127,444 km (0.059 R)
• M16: 26,934,947 km (0.031 R)
• M17: 31,843,253 km (0.067 R)
• M18: 34,443,414 km (0.1 R)
• M19: 41,771,615 km (0.077 R)
• M20: 41,916,276 km (0.106 R)
• M21: 42,206,646 km (0.056 R)
• M22: 49,747,575 km (0.071 R)
• M23: 59,775,120 km (0.109 R)
• M24: 63,905,667 km (0.051 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 19,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit