🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.5

Radius: 8.4

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 11.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 99.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,340,525 km

• M1: 104,419 km (0.09 R)
• M2: 422,016 km (0.108 R)
• M3: 897,587 km (0.053 R)
• M4: 1,203,066 km (0.088 R)
• M5: 1,533,378 km (0.044 R)
• M6: 2,128,030 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 9.9

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.64 AU - 0.8 AU

Year: 407 Days

Day: 8.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,340,525 km

• M1: 123,418 km (0.12 R)
• M2: 493,823 km (0.04 R)
• M3: 841,787 km (0.088 R)
• M4: 1,185,563 km (0.054 R)
• M5: 1,752,389 km (0.115 R)
• M6: 2,834,730 km (0.077 R)
• M7: 3,653,629 km (0.104 R)
• M8: 4,551,216 km (0.111 R)
• M9: 5,459,425 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.2

Radius: 13.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.59 AU - 0.95 AU

Year: 451 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,340,525 km

• M1: 162,912 km (0.092 R)
• M2: 660,175 km (0.049 R)
• M3: 1,203,216 km (0.095 R)
• M4: 1,811,181 km (0.06 R)
• M5: 2,358,560 km (0.114 R)
• M6: 2,776,985 km (0.089 R)
• M7: 3,211,866 km (0.077 R)
• M8: 4,261,595 km (0.089 R)
• M9: 4,994,325 km (0.086 R)
• M10: 5,528,389 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 14

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.13 AU - 1.51 AU

Year: 1011 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,340,525 km

• M1: 174,880 km (0.057 R)
• M2: 879,187 km (0.09 R)
• M3: 1,427,164 km (0.081 R)
• M4: 1,926,222 km (0.116 R)
• M5: 2,725,524 km (0.085 R)
• M6: 3,424,894 km (0.117 R)
• M7: 3,991,271 km (0.055 R)
• M8: 4,436,325 km (0.095 R)
• M9: 5,021,402 km (0.108 R)
• M10: 5,465,109 km (0.115 R)
• M11: 6,077,413 km (0.084 R)
• M12: 6,713,055 km (0.102 R)
• M13: 8,396,031 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.6

Radius: 8.4

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.31 AU - 1.67 AU

Year: 1213 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,340,525 km

• M1: 104,868 km (0.06 R)
• M2: 710,291 km (0.054 R)
• M3: 1,082,939 km (0.058 R)
• M4: 1,374,804 km (0.079 R)
• M5: 1,646,325 km (0.109 R)
• M6: 2,499,930 km (0.098 R)
• M7: 2,922,394 km (0.109 R)
• M8: 3,259,139 km (0.077 R)
• M9: 3,574,940 km (0.12 R)
• M10: 4,044,678 km (0.095 R)
• M11: 5,067,927 km (0.032 R)
• M12: 5,682,625 km (0.062 R)
• M13: 6,096,861 km (0.074 R)
• M14: 6,578,267 km (0.108 R)
• M15: 8,066,916 km (0.032 R)
• M16: 8,704,053 km (0.108 R)
• M17: 9,374,251 km (0.094 R)
• M18: 10,331,379 km (0.103 R)
• M19: 11,318,276 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353

Radius: 13.3

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.95 AU - 2.67 AU

Year: 2341 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,340,525 km

• M1: 165,455 km (0.049 R)
• M2: 603,777 km (0.091 R)
• M3: 1,289,085 km (0.095 R)
• M4: 2,277,777 km (0.075 R)
• M5: 2,740,932 km (0.077 R)
• M6: 3,473,663 km (0.11 R)
• M7: 4,184,103 km (0.073 R)
• M8: 4,783,990 km (0.098 R)
• M9: 5,418,734 km (0.084 R)
• M10: 6,303,007 km (0.115 R)
• M11: 6,780,075 km (0.116 R)
• M12: 7,638,318 km (0.09 R)
• M13: 8,093,993 km (0.084 R)
• M14: 8,628,356 km (0.07 R)
• M15: 9,091,511 km (0.079 R)
• M16: 10,271,539 km (0.094 R)
• M17: 10,969,862 km (0.092 R)
• M18: 12,461,503 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680

Radius: 9.6

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.78 AU - 3.54 AU

Year: 3746 Days

Day: 6.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,340,525 km

• M1: 119,379 km (0.065 R)
• M2: 569,220 km (0.092 R)
• M3: 907,161 km (0.108 R)
• M4: 1,282,802 km (0.115 R)
• M5: 1,608,925 km (0.12 R)
• M6: 2,448,618 km (0.051 R)
• M7: 4,078,337 km (0.099 R)
• M8: 4,579,340 km (0.106 R)
• M9: 5,275,868 km (0.107 R)
• M10: 5,732,142 km (0.063 R)
• M11: 6,098,656 km (0.111 R)
• M12: 9,348,969 km (0.115 R)
• M13: 9,937,936 km (0.092 R)
• M14: 10,344,244 km (0.04 R)
• M15: 12,404,057 km (0.107 R)
• M16: 13,067,075 km (0.049 R)
• M17: 13,853,660 km (0.043 R)
• M18: 15,251,952 km (0.107 R)
• M19: 15,629,238 km (0.059 R)
• M20: 17,376,092 km (0.117 R)
• M21: 17,906,716 km (0.066 R)
• M22: 20,987,534 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.8

Radius: 14.3

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.75 AU - 4.53 AU

Year: 4631 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,340,525 km

• M1: 177,872 km (0.056 R)
• M2: 974,181 km (0.085 R)
• M3: 1,487,152 km (0.113 R)
• M4: 2,008,351 km (0.095 R)
• M5: 2,704,281 km (0.098 R)
• M6: 4,359,282 km (0.073 R)
• M7: 4,976,523 km (0.12 R)
• M8: 5,535,121 km (0.066 R)
• M9: 6,197,690 km (0.098 R)
• M10: 7,791,955 km (0.102 R)
• M11: 10,074,818 km (0.112 R)
• M12: 11,441,245 km (0.074 R)
• M13: 12,021,236 km (0.034 R)
• M14: 12,722,701 km (0.109 R)
• M15: 13,664,569 km (0.11 R)
• M16: 14,152,557 km (0.098 R)
• M17: 15,569,847 km (0.113 R)
• M18: 21,099,583 km (0.112 R)
• M19: 23,715,002 km (0.106 R)
• M20: 26,707,857 km (0.112 R)
• M21: 29,944,108 km (0.107 R)
• M22: 31,327,589 km (0.109 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 9.6

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.55 AU - 4.85 AU

Year: 6795 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,340,525 km

• M1: 119,379 km (0.104 R)
• M2: 521,049 km (0.085 R)
• M3: 873,502 km (0.095 R)
• M4: 1,248,245 km (0.117 R)
• M5: 1,578,856 km (0.12 R)
• M6: 1,983,967 km (0.088 R)
• M7: 2,742,279 km (0.101 R)
• M8: 3,469,474 km (0.117 R)
• M9: 3,878,774 km (0.041 R)
• M10: 4,708,593 km (0.034 R)
• M11: 5,460,322 km (0.062 R)
• M12: 5,881,739 km (0.12 R)
• M13: 7,910,436 km (0.07 R)
• M14: 8,240,150 km (0.089 R)
• M15: 8,708,541 km (0.057 R)
• M16: 9,375,747 km (0.115 R)
• M17: 9,792,228 km (0.044 R)
• M18: 11,270,404 km (0.076 R)
• M19: 12,779,249 km (0.092 R)
• M20: 15,352,033 km (0.081 R)
• M21: 19,195,800 km (0.061 R)
• M22: 19,642,200 km (0.059 R)
• M23: 20,556,094 km (0.086 R)
• M24: 23,298,971 km (0.093 R)
• M25: 23,722,034 km (0.073 R)
• M26: 26,735,383 km (0.113 R)
• M27: 28,333,837 km (0.117 R)
• M28: 28,719,051 km (0.073 R)
• M29: 35,813,730 km (0.115 R)
• M30: 40,004,565 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257

Radius: 3.8

Gravity: 17.8 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.61 AU - 8.23 AU

Year: 12139 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,340,525 km

• M1: 48,171 km (0.097 R)
• M2: 261,497 km (0.058 R)
• M3: 421,716 km (0.119 R)
• M4: 937,829 km (0.108 R)
• M5: 1,108,221 km (0.113 R)
• M6: 2,378,157 km (0.078 R)
• M7: 2,775,190 km (0.052 R)
• M8: 4,205,495 km (0.113 R)
• M9: 5,765,652 km (0.112 R)
• M10: 6,620,454 km (0.039 R)
• M11: 6,801,018 km (0.032 R)
• M12: 7,439,652 km (0.077 R)
• M13: 20,851,998 km (0.113 R)
• M14: 23,419,846 km (0.096 R)
• M15: 26,280,456 km (0.112 R)
• M16: 26,551,528 km (0.041 R)
• M17: 27,007,502 km (0.075 R)
• M18: 32,062,713 km (0.102 R)
• M19: 33,312,603 km (0.044 R)
• M20: 36,242,927 km (0.11 R)
• M21: 38,405,065 km (0.042 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 14,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit