🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.9

Radius: 11.9

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.45 AU - 0.69 AU

Year: 292 Days

Day: 5.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,465,538 km

• M1: 148,551 km (0.065 R)
• M2: 571,314 km (0.063 R)
• M3: 954,135 km (0.098 R)
• M4: 1,432,998 km (0.088 R)
• M5: 2,018,075 km (0.097 R)
• M6: 2,701,887 km (0.09 R)
• M7: 3,239,691 km (0.049 R)
• M8: 3,944,597 km (0.092 R)
• M9: 4,334,000 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.8

Radius: 9.9

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.6 AU - 0.78 AU

Year: 389 Days

Day: 14.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,465,538 km

• M1: 123,119 km (0.097 R)
• M2: 456,423 km (0.1 R)
• M3: 850,464 km (0.111 R)
• M4: 1,221,915 km (0.116 R)
• M5: 1,644,679 km (0.109 R)
• M6: 2,198,490 km (0.117 R)
• M7: 2,510,252 km (0.064 R)
• M8: 2,915,214 km (0.093 R)
• M9: 4,328,914 km (0.086 R)
• M10: 4,914,290 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.2

Radius: 13.9

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.73 AU - 0.87 AU

Year: 485 Days

Day: 6.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,465,538 km

• M1: 172,935 km (0.072 R)
• M2: 705,653 km (0.113 R)
• M3: 1,242,111 km (0.119 R)
• M4: 2,183,231 km (0.063 R)
• M5: 2,779,977 km (0.119 R)
• M6: 3,423,398 km (0.109 R)
• M7: 4,109,603 km (0.038 R)
• M8: 5,122,979 km (0.115 R)
• M9: 5,723,764 km (0.083 R)
• M10: 6,427,323 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 11.1

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.4 AU - 1.66 AU

Year: 1284 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,465,538 km

• M1: 138,228 km (0.099 R)
• M2: 521,648 km (0.119 R)
• M3: 1,291,628 km (0.074 R)
• M4: 1,669,063 km (0.071 R)
• M5: 2,050,388 km (0.074 R)
• M6: 2,444,429 km (0.106 R)
• M7: 3,045,065 km (0.075 R)
• M8: 3,402,304 km (0.08 R)
• M9: 3,849,602 km (0.078 R)
• M10: 4,319,190 km (0.097 R)
• M11: 4,772,322 km (0.025 R)
• M12: 5,123,428 km (0.104 R)
• M13: 6,195,745 km (0.088 R)
• M14: 8,166,847 km (0.046 R)
• M15: 8,563,431 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 8.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.52 AU - 2.5 AU

Year: 1933 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,465,538 km

• M1: 109,506 km (0.06 R)
• M2: 414,835 km (0.106 R)
• M3: 765,941 km (0.1 R)
• M4: 1,101,340 km (0.119 R)
• M5: 1,422,975 km (0.106 R)
• M6: 1,719,478 km (0.106 R)
• M7: 2,101,551 km (0.1 R)
• M8: 2,565,155 km (0.118 R)
• M9: 2,995,249 km (0.096 R)
• M10: 3,379,565 km (0.049 R)
• M11: 3,763,284 km (0.104 R)
• M12: 5,236,225 km (0.075 R)
• M13: 5,773,580 km (0.115 R)
• M14: 6,514,389 km (0.05 R)
• M15: 7,239,340 km (0.051 R)
• M16: 8,072,600 km (0.079 R)
• M17: 8,878,933 km (0.119 R)
• M18: 10,025,451 km (0.116 R)
• M19: 10,417,697 km (0.049 R)
• M20: 11,727,725 km (0.108 R)
• M21: 12,017,047 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.9

Radius: 14.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.3 AU - 2.36 AU

Year: 2412 Days

Day: 7.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 155.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,465,538 km

• M1: 184,005 km (0.069 R)
• M2: 908,807 km (0.092 R)
• M3: 1,402,779 km (0.09 R)
• M4: 2,020,469 km (0.107 R)
• M5: 2,681,691 km (0.083 R)
• M6: 3,761,489 km (0.117 R)
• M7: 5,698,931 km (0.106 R)
• M8: 6,192,903 km (0.099 R)
• M9: 7,756,051 km (0.076 R)
• M10: 9,896,797 km (0.043 R)
• M11: 10,498,330 km (0.094 R)
• M12: 11,244,075 km (0.042 R)
• M13: 12,536,601 km (0.083 R)
• M14: 15,366,544 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.4

Radius: 12.3

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.19 AU - 3.27 AU

Year: 3059 Days

Day: 13.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,465,538 km

• M1: 153,039 km (0.119 R)
• M2: 1,136,345 km (0.033 R)
• M3: 1,528,142 km (0.078 R)
• M4: 1,974,542 km (0.077 R)
• M5: 2,786,560 km (0.08 R)
• M6: 3,172,672 km (0.073 R)
• M7: 4,054,252 km (0.04 R)
• M8: 5,141,828 km (0.044 R)
• M9: 6,414,607 km (0.106 R)
• M10: 7,033,344 km (0.082 R)
• M11: 7,467,776 km (0.064 R)
• M12: 8,153,234 km (0.084 R)
• M13: 8,951,488 km (0.079 R)
• M14: 10,031,435 km (0.045 R)
• M15: 10,463,174 km (0.109 R)
• M16: 13,226,546 km (0.048 R)
• M17: 13,650,806 km (0.074 R)
• M18: 15,439,398 km (0.079 R)
• M19: 16,228,975 km (0.111 R)
• M20: 16,770,221 km (0.118 R)
• M21: 17,888,913 km (0.116 R)
• M22: 18,350,124 km (0.073 R)
• M23: 20,587,061 km (0.087 R)
• M24: 21,157,627 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388

Radius: 4.7

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.96 AU - 11.8 AU

Year: 22682 Days

Day: 17.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,465,538 km

• M1: 74,051 km (0.074 R)
• M2: 1,544,149 km (0.101 R)
• M3: 2,217,040 km (0.085 R)
• M4: 3,782,582 km (0.03 R)
• M5: 4,535,807 km (0.12 R)
• M6: 5,497,273 km (0.089 R)
• M7: 7,482,736 km (0.086 R)
• M8: 7,766,523 km (0.058 R)
• M9: 8,106,409 km (0.091 R)
• M10: 8,355,340 km (0.097 R)
• M11: 10,358,456 km (0.086 R)
• M12: 10,651,518 km (0.118 R)
• M13: 12,071,800 km (0.118 R)
• M14: 12,265,978 km (0.088 R)
• M15: 14,251,142 km (0.069 R)
• M16: 16,361,818 km (0.046 R)
• M17: 16,599,529 km (0.108 R)
• M18: 18,159,536 km (0.088 R)
• M19: 18,329,330 km (0.09 R)
• M20: 21,284,336 km (0.119 R)
• M21: 24,130,585 km (0.05 R)
• M22: 26,234,979 km (0.071 R)
• M23: 26,999,424 km (0.037 R)
• M24: 29,733,325 km (0.108 R)
• M25: 30,804,296 km (0.11 R)
• M26: 32,771,508 km (0.08 R)
• M27: 34,171,445 km (0.088 R)
• M28: 37,500,596 km (0.052 R)
• M29: 40,314,681 km (0.093 R)
• M30: 41,331,947 km (0.044 R)
• M31: 42,664,864 km (0.079 R)
• M32: 42,814,611 km (0.028 R)
• M33: 46,835,054 km (0.046 R)
• M34: 47,958,983 km (0.117 R)
• M35: 52,290,889 km (0.076 R)
• M36: 58,339,280 km (0.108 R)
• M37: 64,245,703 km (0.1 R)
• M38: 67,851,760 km (0.084 R)
• M39: 68,260,461 km (0.045 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 14,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit