🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.5

Radius: 12.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.54 AU - 0.86 AU

Year: 397 Days

Day: 10 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,698,513 km

• M1: 154,235 km (0.059 R)
• M2: 879,037 km (0.036 R)
• M3: 1,351,168 km (0.055 R)
• M4: 1,902,137 km (0.103 R)
• M5: 2,391,322 km (0.11 R)
• M6: 2,782,969 km (0.097 R)
• M7: 3,207,079 km (0.101 R)
• M8: 3,844,516 km (0.045 R)
• M9: 4,386,958 km (0.116 R)
• M10: 4,834,106 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 9.3

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.17 AU - 1.31 AU

Year: 937 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,698,513 km

• M1: 115,639 km (0.053 R)
• M2: 411,095 km (0.113 R)
• M3: 838,496 km (0.065 R)
• M4: 1,128,118 km (0.077 R)
• M5: 1,486,105 km (0.069 R)
• M6: 1,797,568 km (0.117 R)
• M7: 2,394,912 km (0.112 R)
• M8: 2,804,062 km (0.115 R)
• M9: 3,220,693 km (0.119 R)
• M10: 3,821,029 km (0.069 R)
• M11: 4,271,917 km (0.113 R)
• M12: 4,927,903 km (0.1 R)
• M13: 5,334,510 km (0.081 R)
• M14: 5,687,262 km (0.086 R)
• M15: 6,316,770 km (0.115 R)
• M16: 7,997,801 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.5

Radius: 11.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.05 AU - 2.41 AU

Year: 2259 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,698,513 km

• M1: 139,276 km (0.088 R)
• M2: 497,862 km (0.072 R)
• M3: 980,016 km (0.074 R)
• M4: 1,412,503 km (0.098 R)
• M5: 2,202,829 km (0.03 R)
• M6: 2,945,732 km (0.101 R)
• M7: 3,453,317 km (0.078 R)
• M8: 5,429,356 km (0.103 R)
• M9: 5,791,532 km (0.06 R)
• M10: 9,199,222 km (0.111 R)
• M11: 10,657,053 km (0.069 R)
• M12: 11,343,707 km (0.113 R)
• M13: 12,140,914 km (0.072 R)
• M14: 13,017,708 km (0.115 R)
• M15: 14,526,103 km (0.036 R)
• M16: 15,707,328 km (0.04 R)
• M17: 16,346,410 km (0.084 R)
• M18: 17,156,632 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.1

Radius: 11.5

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.04 AU - 2.5 AU

Year: 2320 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 82,698,513 km

• M1: 154,385 km (0.059 R)
• M2: 997,967 km (0.071 R)
• M3: 1,881,492 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.4

Radius: 11.5

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.05 AU - 2.83 AU

Year: 2585 Days

Day: 5.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,698,513 km

• M1: 144,362 km (0.09 R)
• M2: 539,450 km (0.109 R)
• M3: 1,154,746 km (0.085 R)
• M4: 1,678,039 km (0.103 R)
• M5: 2,128,778 km (0.095 R)
• M6: 2,630,080 km (0.071 R)
• M7: 3,457,057 km (0.093 R)
• M8: 3,971,375 km (0.098 R)
• M9: 6,419,245 km (0.056 R)
• M10: 6,961,836 km (0.102 R)
• M11: 10,924,534 km (0.083 R)
• M12: 11,615,826 km (0.07 R)
• M13: 13,587,526 km (0.081 R)
• M14: 15,620,262 km (0.068 R)
• M15: 16,976,067 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81

Radius: 9.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.23 AU - 2.69 AU

Year: 2617 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,698,513 km

• M1: 116,986 km (0.097 R)
• M2: 634,594 km (0.092 R)
• M3: 1,066,782 km (0.027 R)
• M4: 1,795,773 km (0.047 R)
• M5: 2,551,541 km (0.073 R)
• M6: 3,607,104 km (0.047 R)
• M7: 4,048,717 km (0.048 R)
• M8: 4,716,671 km (0.051 R)
• M9: 5,495,179 km (0.097 R)
• M10: 6,888,234 km (0.108 R)
• M11: 8,269,471 km (0.116 R)
• M12: 9,315,310 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198

Radius: 13.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.72 AU - 2.94 AU

Year: 3229 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,698,513 km

• M1: 165,455 km (0.045 R)
• M2: 912,547 km (0.111 R)
• M3: 1,330,075 km (0.072 R)
• M4: 1,922,183 km (0.039 R)
• M5: 2,592,980 km (0.073 R)
• M6: 3,103,557 km (0.109 R)
• M7: 4,235,265 km (0.115 R)
• M8: 4,783,242 km (0.075 R)
• M9: 5,422,773 km (0.118 R)
• M10: 6,769,453 km (0.051 R)
• M11: 7,605,406 km (0.101 R)
• M12: 9,417,784 km (0.083 R)
• M13: 9,912,654 km (0.113 R)
• M14: 10,425,027 km (0.089 R)
• M15: 11,652,029 km (0.098 R)
• M16: 12,339,580 km (0.051 R)
• M17: 13,053,910 km (0.117 R)
• M18: 14,091,671 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.1

Radius: 8.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.7 AU - 4.12 AU

Year: 4271 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,698,513 km

• M1: 112,049 km (0.093 R)
• M2: 403,017 km (0.109 R)
• M3: 741,407 km (0.101 R)
• M4: 1,167,911 km (0.07 R)
• M5: 1,620,145 km (0.118 R)
• M6: 1,979,629 km (0.093 R)
• M7: 2,893,522 km (0.064 R)
• M8: 3,248,069 km (0.115 R)
• M9: 3,727,081 km (0.116 R)
• M10: 5,376,847 km (0.063 R)
• M11: 6,404,434 km (0.075 R)
• M12: 7,068,948 km (0.05 R)
• M13: 8,501,198 km (0.113 R)
• M14: 8,844,077 km (0.079 R)
• M15: 10,079,605 km (0.099 R)
• M16: 11,886,897 km (0.11 R)
• M17: 13,619,540 km (0.097 R)
• M18: 15,463,782 km (0.088 R)
• M19: 16,604,466 km (0.066 R)
• M20: 18,647,823 km (0.093 R)
• M21: 19,522,073 km (0.117 R)

Asteroid Belt

Center: 6.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.6

Radius: 6.7

Gravity: 16.68 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.61 AU - 9.57 AU

Year: 18588 Days

Day: 19 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,698,513 km

• M1: 83,775 km (0.118 R)
• M2: 555,457 km (0.026 R)
• M3: 1,075,908 km (0.072 R)
• M4: 1,600,248 km (0.072 R)
• M5: 2,304,406 km (0.041 R)
• M6: 2,762,773 km (0.095 R)
• M7: 3,118,368 km (0.108 R)
• M8: 3,561,925 km (0.103 R)
• M9: 3,859,924 km (0.096 R)
• M10: 4,574,404 km (0.095 R)
• M11: 5,147,064 km (0.096 R)
• M12: 5,528,689 km (0.107 R)
• M13: 6,052,580 km (0.036 R)
• M14: 6,434,504 km (0.065 R)
• M15: 9,236,322 km (0.104 R)
• M16: 10,267,201 km (0.108 R)
• M17: 11,823,468 km (0.066 R)
• M18: 14,257,425 km (0.083 R)
• M19: 14,480,475 km (0.079 R)
• M20: 20,276,495 km (0.085 R)
• M21: 22,108,321 km (0.047 R)
• M22: 23,526,659 km (0.102 R)
• M23: 25,656,633 km (0.086 R)
• M24: 26,768,295 km (0.104 R)
• M25: 28,849,800 km (0.107 R)
• M26: 31,036,771 km (0.084 R)
• M27: 32,941,750 km (0.066 R)
• M28: 34,254,172 km (0.088 R)
• M29: 38,977,127 km (0.077 R)
• M30: 45,387,994 km (0.092 R)
• M31: 46,357,687 km (0.115 R)
• M32: 46,847,620 km (0.112 R)
• M33: 50,031,213 km (0.116 R)
• M34: 53,894,278 km (0.11 R)
• M35: 56,267,948 km (0.118 R)
• M36: 60,831,581 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.6

Radius: 3.2

Gravity: 90.49 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.06 AU - 11.7 AU

Year: 19485 Days

Day: 20 Hours

Environment

Temp: -243 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 82,698,513 km

• M1: 40,092 km (0.062 R)
• M2: 189,840 km (0.09 R)
• M3: 391,198 km (0.085 R)
• M4: 529,876 km (0.088 R)
• M5: 662,120 km (0.042 R)
• M6: 956,379 km (0.114 R)
• M7: 1,953,299 km (0.11 R)
• M8: 2,502,324 km (0.114 R)
• M9: 2,851,186 km (0.039 R)
• M10: 3,832,398 km (0.107 R)
• M11: 4,575,451 km (0.066 R)
• M12: 5,172,795 km (0.11 R)
• M13: 8,350,703 km (0.099 R)
• M14: 10,622,047 km (0.059 R)
• M15: 11,528,610 km (0.111 R)
• M16: 12,626,509 km (0.093 R)
• M17: 13,200,666 km (0.106 R)
• M18: 14,401,039 km (0.076 R)
• M19: 14,948,268 km (0.054 R)
• M20: 15,672,172 km (0.077 R)
• M21: 16,929,991 km (0.08 R)
• M22: 17,716,128 km (0.045 R)
• M23: 19,549,599 km (0.072 R)
• M24: 20,708,384 km (0.105 R)
• M25: 23,912,023 km (0.1 R)
• M26: 25,123,766 km (0.081 R)
• M27: 25,461,258 km (0.108 R)
• M28: 32,994,858 km (0.111 R)
• M29: 34,911,505 km (0.113 R)
• M30: 35,191,104 km (0.098 R)
• M31: 39,265,701 km (0.081 R)
• M32: 39,416,645 km (0.108 R)
• M33: 47,132,305 km (0.049 R)
• M34: 49,735,158 km (0.078 R)
• M35: 52,432,109 km (0.058 R)
• M36: 54,847,067 km (0.091 R)
• M37: 56,561,609 km (0.118 R)
• M38: 56,754,291 km (0.106 R)
• M39: 59,897,192 km (0.099 R)
• M40: 63,777,611 km (0.065 R)
• M41: 66,956,716 km (0.109 R)
• M42: 69,133,963 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 17,778 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit