🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.2

Radius: 11.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.14 AU - 1.24 AU

Year: 880 Days

Day: 5 Hours

Environment

Temp: -184 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,890,047 km

• M1: 145,559 km (0.095 R)
• M2: 568,322 km (0.101 R)
• M3: 935,435 km (0.05 R)
• M4: 1,884,484 km (0.096 R)
• M5: 2,387,732 km (0.09 R)
• M6: 2,787,906 km (0.07 R)
• M7: 3,232,960 km (0.063 R)
• M8: 3,725,286 km (0.057 R)
• M9: 4,691,240 km (0.099 R)
• M10: 5,306,386 km (0.082 R)
• M11: 5,739,322 km (0.111 R)
• M12: 7,249,962 km (0.093 R)
• M13: 7,808,261 km (0.047 R)
• M14: 8,445,099 km (0.073 R)

Asteroid Belt

Center: 1.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.6

Radius: 9.3

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.61 AU - 2.23 AU

Year: 1804 Days

Day: 9.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,890,047 km

• M1: 115,639 km (0.099 R)
• M2: 437,125 km (0.109 R)
• M3: 830,119 km (0.109 R)
• M4: 1,498,522 km (0.094 R)
• M5: 1,793,230 km (0.098 R)
• M6: 2,159,595 km (0.107 R)
• M7: 3,373,582 km (0.104 R)
• M8: 3,854,539 km (0.119 R)
• M9: 4,596,993 km (0.094 R)
• M10: 5,309,378 km (0.111 R)
• M11: 5,831,175 km (0.056 R)
• M12: 6,138,001 km (0.068 R)
• M13: 7,075,082 km (0.069 R)
• M14: 7,655,372 km (0.07 R)
• M15: 11,144,593 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.2

Radius: 13.6

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.34 AU - 2.36 AU

Year: 2443 Days

Day: 11.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,890,047 km

• M1: 169,195 km (0.077 R)
• M2: 645,066 km (0.03 R)
• M3: 1,152,502 km (0.074 R)
• M4: 1,688,212 km (0.092 R)
• M5: 2,128,179 km (0.119 R)
• M6: 2,618,112 km (0.092 R)
• M7: 3,669,187 km (0.073 R)
• M8: 4,361,227 km (0.085 R)
• M9: 5,160,977 km (0.083 R)
• M10: 6,621,052 km (0.088 R)
• M11: 7,192,516 km (0.103 R)
• M12: 8,976,171 km (0.105 R)
• M13: 9,439,626 km (0.104 R)
• M14: 10,450,608 km (0.082 R)
• M15: 11,076,226 km (0.077 R)
• M16: 12,160,961 km (0.055 R)
• M17: 13,572,117 km (0.11 R)
• M18: 14,272,684 km (0.12 R)
• M19: 14,813,929 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.2

Radius: 8.4

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.74 AU - 4.26 AU

Year: 4441 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,890,047 km

• M1: 104,419 km (0.077 R)
• M2: 371,452 km (0.056 R)
• M3: 939,026 km (0.073 R)
• M4: 1,617,602 km (0.083 R)
• M5: 2,150,619 km (0.114 R)
• M6: 3,280,831 km (0.098 R)
• M7: 3,627,449 km (0.085 R)
• M8: 3,908,843 km (0.08 R)
• M9: 4,491,377 km (0.111 R)
• M10: 6,125,584 km (0.108 R)
• M11: 6,977,095 km (0.025 R)
• M12: 7,692,173 km (0.111 R)
• M13: 10,561,161 km (0.099 R)
• M14: 10,958,194 km (0.036 R)
• M15: 13,348,169 km (0.074 R)
• M16: 14,448,312 km (0.097 R)
• M17: 15,664,543 km (0.058 R)
• M18: 16,065,465 km (0.119 R)
• M19: 18,110,917 km (0.104 R)
• M20: 18,425,671 km (0.069 R)
• M21: 23,447,970 km (0.037 R)
• M22: 25,594,401 km (0.105 R)
• M23: 27,868,438 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.8

Radius: 13.1

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.79 AU - 4.43 AU

Year: 4652 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,890,047 km

• M1: 165,455 km (0.083 R)
• M2: 688,449 km (0.037 R)
• M3: 1,196,633 km (0.1 R)
• M4: 1,889,571 km (0.06 R)
• M5: 2,874,673 km (0.07 R)
• M6: 4,689,744 km (0.091 R)
• M7: 5,216,627 km (0.034 R)
• M8: 5,695,341 km (0.091 R)
• M9: 6,265,159 km (0.099 R)
• M10: 9,173,940 km (0.106 R)
• M11: 9,581,594 km (0.104 R)
• M12: 10,044,001 km (0.085 R)
• M13: 11,757,645 km (0.106 R)
• M14: 12,784,484 km (0.088 R)
• M15: 13,711,393 km (0.096 R)
• M16: 14,517,725 km (0.085 R)
• M17: 15,815,038 km (0.113 R)
• M18: 17,188,347 km (0.118 R)
• M19: 18,445,866 km (0.068 R)
• M20: 22,074,512 km (0.116 R)
• M21: 23,032,387 km (0.101 R)
• M22: 26,235,577 km (0.087 R)
• M23: 27,646,734 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239

Radius: 13.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5.22 AU - 5.44 AU

Year: 8346 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,890,047 km

• M1: 173,085 km (0.079 R)
• M2: 620,981 km (0.062 R)
• M3: 1,856,809 km (0.087 R)
• M4: 2,654,764 km (0.091 R)
• M5: 4,117,831 km (0.099 R)
• M6: 4,778,156 km (0.059 R)
• M7: 5,229,642 km (0.099 R)
• M8: 6,890,179 km (0.109 R)
• M9: 7,715,959 km (0.075 R)
• M10: 12,273,159 km (0.056 R)
• M11: 15,919,457 km (0.118 R)
• M12: 16,510,668 km (0.111 R)
• M13: 23,180,340 km (0.096 R)
• M14: 24,482,290 km (0.114 R)
• M15: 27,315,674 km (0.119 R)
• M16: 28,249,613 km (0.032 R)
• M17: 28,767,970 km (0.062 R)
• M18: 29,380,723 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287

Radius: 7.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.04 AU - 7.68 AU

Year: 13543 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,890,047 km

• M1: 98,286 km (0.116 R)
• M2: 345,272 km (0.105 R)
• M3: 1,144,723 km (0.027 R)
• M4: 1,730,399 km (0.106 R)
• M5: 2,540,172 km (0.061 R)
• M6: 3,139,461 km (0.101 R)
• M7: 3,484,733 km (0.088 R)
• M8: 3,779,141 km (0.094 R)
• M9: 4,251,871 km (0.073 R)
• M10: 4,882,426 km (0.099 R)
• M11: 5,189,101 km (0.044 R)
• M12: 7,150,479 km (0.116 R)
• M13: 7,426,188 km (0.099 R)
• M14: 11,907,691 km (0.083 R)
• M15: 12,295,748 km (0.062 R)
• M16: 13,630,460 km (0.099 R)
• M17: 14,740,477 km (0.111 R)
• M18: 16,110,344 km (0.11 R)
• M19: 18,504,957 km (0.103 R)
• M20: 21,778,308 km (0.038 R)
• M21: 22,442,673 km (0.027 R)
• M22: 24,606,456 km (0.063 R)
• M23: 41,201,647 km (0.108 R)
• M24: 41,834,596 km (0.086 R)
• M25: 42,860,837 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.6

Radius: 7.4

Gravity: 13.18 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.26 AU - 9 AU

Year: 14295 Days

Day: 18.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,890,047 km

• M1: 92,003 km (0.109 R)
• M2: 593,904 km (0.046 R)
• M3: 914,641 km (0.11 R)
• M4: 1,255,126 km (0.092 R)
• M5: 1,744,012 km (0.058 R)
• M6: 2,272,691 km (0.097 R)
• M7: 2,696,502 km (0.048 R)
• M8: 4,508,880 km (0.056 R)
• M9: 5,005,395 km (0.103 R)
• M10: 6,305,550 km (0.063 R)
• M11: 9,608,372 km (0.101 R)
• M12: 13,709,149 km (0.076 R)
• M13: 19,013,441 km (0.087 R)
• M14: 23,544,610 km (0.092 R)
• M15: 25,955,081 km (0.091 R)
• M16: 26,267,441 km (0.093 R)
• M17: 26,687,961 km (0.083 R)
• M18: 29,193,426 km (0.102 R)
• M19: 30,100,438 km (0.097 R)
• M20: 32,570,448 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit