🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277

Radius: 10.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.72 AU - 0.78 AU

Year: 433 Days

Day: 7.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,363,246 km

• M1: 128,355 km (0.069 R)
• M2: 482,304 km (0.074 R)
• M3: 889,359 km (0.041 R)
• M4: 1,214,585 km (0.086 R)
• M5: 1,705,416 km (0.035 R)
• M6: 2,088,087 km (0.106 R)
• M7: 2,580,862 km (0.111 R)
• M8: 2,932,118 km (0.083 R)
• M9: 3,675,320 km (0.106 R)
• M10: 4,158,821 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 11.2

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.73 AU - 0.99 AU

Year: 532 Days

Day: 11.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,363,246 km

• M1: 139,425 km (0.105 R)
• M2: 492,177 km (0.056 R)
• M3: 988,094 km (0.076 R)
• M4: 1,393,654 km (0.107 R)
• M5: 1,971,550 km (0.087 R)
• M6: 2,391,472 km (0.086 R)
• M7: 3,021,428 km (0.117 R)
• M8: 3,597,081 km (0.081 R)
• M9: 4,025,380 km (0.077 R)
• M10: 4,612,701 km (0.075 R)
• M11: 5,085,729 km (0.072 R)
• M12: 6,342,950 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 9.2

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.02 AU - 1.24 AU

Year: 801 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,363,246 km

• M1: 114,891 km (0.071 R)
• M2: 413,040 km (0.089 R)
• M3: 1,007,242 km (0.075 R)
• M4: 1,448,257 km (0.111 R)
• M5: 1,784,403 km (0.095 R)
• M6: 2,132,368 km (0.033 R)
• M7: 2,469,861 km (0.094 R)
• M8: 3,375,975 km (0.089 R)
• M9: 3,913,032 km (0.105 R)
• M10: 4,439,018 km (0.105 R)
• M11: 5,325,086 km (0.084 R)
• M12: 5,971,648 km (0.082 R)
• M13: 6,669,522 km (0.113 R)
• M14: 7,373,829 km (0.073 R)
• M15: 8,076,639 km (0.072 R)
• M16: 8,691,487 km (0.109 R)
• M17: 9,037,357 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242

Radius: 11.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.98 AU - 2.36 AU

Year: 2132 Days

Day: 11.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,363,246 km

• M1: 139,874 km (0.103 R)
• M2: 647,310 km (0.039 R)
• M3: 1,037,461 km (0.099 R)
• M4: 1,388,119 km (0.077 R)
• M5: 2,149,572 km (0.025 R)
• M6: 2,606,593 km (0.062 R)
• M7: 3,346,504 km (0.078 R)
• M8: 3,815,194 km (0.062 R)
• M9: 5,081,540 km (0.087 R)
• M10: 5,490,391 km (0.114 R)
• M11: 6,122,293 km (0.074 R)
• M12: 6,705,425 km (0.081 R)
• M13: 7,479,594 km (0.07 R)
• M14: 8,679,519 km (0.083 R)
• M15: 10,387,029 km (0.081 R)
• M16: 12,091,697 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.4

Radius: 15

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.79 AU - 2.81 AU

Year: 3124 Days

Day: 14 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,363,246 km

• M1: 186,549 km (0.104 R)
• M2: 1,389,166 km (0.068 R)
• M3: 2,716,997 km (0.111 R)
• M4: 3,207,079 km (0.111 R)
• M5: 5,001,954 km (0.103 R)
• M6: 5,547,089 km (0.105 R)
• M7: 6,956,451 km (0.109 R)
• M8: 9,591,767 km (0.109 R)
• M9: 17,435,632 km (0.072 R)
• M10: 18,528,145 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.6

Radius: 8.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.82 AU - 3.94 AU

Year: 4144 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,363,246 km

• M1: 102,026 km (0.101 R)
• M2: 393,592 km (0.117 R)
• M3: 743,950 km (0.084 R)
• M4: 1,134,999 km (0.091 R)
• M5: 1,452,147 km (0.094 R)
• M6: 2,655,063 km (0.067 R)
• M7: 3,018,436 km (0.082 R)
• M8: 3,308,207 km (0.078 R)
• M9: 3,672,927 km (0.079 R)
• M10: 6,908,130 km (0.116 R)
• M11: 8,300,587 km (0.115 R)
• M12: 9,185,608 km (0.081 R)
• M13: 10,094,565 km (0.052 R)
• M14: 10,590,183 km (0.108 R)
• M15: 12,175,172 km (0.108 R)
• M16: 14,815,874 km (0.11 R)
• M17: 15,757,892 km (0.116 R)
• M18: 16,114,832 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.1

Radius: 3.4

Gravity: 40.58 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.1 AU - 9.76 AU

Year: 16322 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,363,246 km

• M1: 42,486 km (0.089 R)
• M2: 235,916 km (0.115 R)
• M3: 517,609 km (0.114 R)
• M4: 708,944 km (0.05 R)
• M5: 1,082,939 km (0.095 R)
• M6: 1,397,095 km (0.073 R)
• M7: 2,302,311 km (0.11 R)
• M8: 2,795,685 km (0.063 R)
• M9: 3,460,947 km (0.11 R)
• M10: 4,017,301 km (0.096 R)
• M11: 5,304,740 km (0.097 R)
• M12: 5,482,912 km (0.083 R)
• M13: 6,760,777 km (0.1 R)
• M14: 7,270,756 km (0.079 R)
• M15: 7,446,384 km (0.111 R)
• M16: 9,309,475 km (0.095 R)
• M17: 10,431,160 km (0.1 R)
• M18: 11,285,364 km (0.051 R)
• M19: 11,580,222 km (0.083 R)
• M20: 13,067,224 km (0.117 R)
• M21: 13,722,762 km (0.1 R)
• M22: 15,384,944 km (0.112 R)
• M23: 17,566,380 km (0.042 R)
• M24: 19,690,072 km (0.092 R)
• M25: 20,989,928 km (0.092 R)
• M26: 22,438,185 km (0.116 R)
• M27: 32,549,056 km (0.086 R)
• M28: 39,116,702 km (0.075 R)
• M29: 42,283,539 km (0.086 R)
• M30: 42,993,830 km (0.088 R)
• M31: 43,280,160 km (0.114 R)
• M32: 44,146,780 km (0.118 R)
• M33: 44,292,339 km (0.07 R)
• M34: 45,468,328 km (0.028 R)
• M35: 48,036,175 km (0.046 R)
• M36: 51,823,545 km (0.092 R)
• M37: 53,128,936 km (0.09 R)
• M38: 55,296,609 km (0.032 R)
• M39: 56,831,333 km (0.117 R)
• M40: 58,394,182 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.4

Radius: 3.2

Gravity: 58.73 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.97 AU - 11.53 AU

Year: 21883 Days

Day: 24.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,363,246 km

• M1: 45,179 km (0.037 R)
• M2: 183,706 km (0.097 R)
• M3: 306,077 km (0.088 R)
• M4: 513,719 km (0.114 R)
• M5: 829,969 km (0.064 R)
• M6: 968,347 km (0.063 R)
• M7: 1,511,537 km (0.033 R)
• M8: 1,630,467 km (0.073 R)
• M9: 1,737,130 km (0.096 R)
• M10: 2,277,179 km (0.105 R)
• M11: 2,388,180 km (0.072 R)
• M12: 3,105,801 km (0.085 R)
• M13: 3,383,605 km (0.118 R)
• M14: 4,877,938 km (0.096 R)
• M15: 6,059,761 km (0.099 R)
• M16: 10,236,683 km (0.108 R)
• M17: 11,228,667 km (0.086 R)
• M18: 13,838,401 km (0.107 R)
• M19: 21,176,925 km (0.1 R)
• M20: 22,068,528 km (0.094 R)
• M21: 24,676,019 km (0.085 R)
• M22: 29,384,313 km (0.087 R)
• M23: 34,929,457 km (0.112 R)
• M24: 41,284,973 km (0.11 R)
• M25: 41,590,901 km (0.115 R)
• M26: 43,143,128 km (0.041 R)
• M27: 56,033,678 km (0.096 R)
• M28: 61,039,372 km (0.06 R)
• M29: 62,235,407 km (0.043 R)
• M30: 64,880,297 km (0.118 R)
• M31: 69,094,021 km (0.073 R)
• M32: 69,958,098 km (0.119 R)
• M33: 73,486,364 km (0.118 R)
• M34: 75,979,711 km (0.087 R)
• M35: 76,669,358 km (0.049 R)
• M36: 76,900,187 km (0.113 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: 454 - 16,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit