🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 11.9

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.65 AU - 0.65 AU

Year: 355 Days

Day: 6.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,312,521 km

• M1: 148,401 km (0.075 R)
• M2: 532,718 km (0.099 R)
• M3: 907,161 km (0.115 R)
• M4: 1,282,802 km (0.105 R)
• M5: 1,914,105 km (0.105 R)
• M6: 2,532,991 km (0.096 R)
• M7: 2,957,700 km (0.075 R)
• M8: 3,618,324 km (0.06 R)
• M9: 4,042,284 km (0.104 R)
• M10: 4,916,684 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.4

Radius: 12.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.61 AU - 0.77 AU

Year: 389 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,312,521 km

• M1: 154,235 km (0.056 R)
• M2: 541,843 km (0.055 R)
• M3: 1,008,290 km (0.053 R)
• M4: 1,453,194 km (0.064 R)
• M5: 2,229,756 km (0.091 R)
• M6: 3,015,444 km (0.071 R)
• M7: 3,689,083 km (0.06 R)
• M8: 4,121,421 km (0.104 R)
• M9: 4,893,197 km (0.089 R)
• M10: 5,481,116 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 8.5

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.57 AU - 2.29 AU

Year: 1819 Days

Day: 6.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,312,521 km

• M1: 106,962 km (0.12 R)
• M2: 387,159 km (0.102 R)
• M3: 994,078 km (0.109 R)
• M4: 2,118,007 km (0.044 R)
• M5: 2,483,773 km (0.049 R)
• M6: 2,764,569 km (0.113 R)
• M7: 3,126,745 km (0.12 R)
• M8: 3,772,110 km (0.113 R)
• M9: 4,090,155 km (0.114 R)
• M10: 4,522,792 km (0.068 R)
• M11: 5,524,201 km (0.057 R)
• M12: 7,186,383 km (0.087 R)
• M13: 10,369,676 km (0.106 R)
• M14: 12,713,126 km (0.116 R)
• M15: 13,269,331 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.1

Radius: 9.5

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.91 AU - 1.97 AU

Year: 1833 Days

Day: 14.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,312,521 km

• M1: 123,269 km (0.107 R)
• M2: 472,430 km (0.083 R)
• M3: 835,654 km (0.091 R)
• M4: 1,193,641 km (0.112 R)
• M5: 2,560,218 km (0.116 R)
• M6: 2,982,533 km (0.065 R)
• M7: 3,350,095 km (0.111 R)
• M8: 4,979,964 km (0.105 R)
• M9: 5,292,025 km (0.065 R)
• M10: 6,155,354 km (0.069 R)
• M11: 6,463,077 km (0.106 R)
• M12: 6,862,354 km (0.04 R)
• M13: 8,406,503 km (0.104 R)
• M14: 9,924,173 km (0.111 R)
• M15: 10,312,529 km (0.071 R)
• M16: 11,733,111 km (0.101 R)
• M17: 12,368,752 km (0.114 R)
• M18: 13,839,000 km (0.101 R)
• M19: 14,684,228 km (0.04 R)
• M20: 16,184,994 km (0.107 R)

Asteroid Belt

Center: 3.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.3

Radius: 10

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.53 AU - 5.69 AU

Year: 6713 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,312,521 km

• M1: 125,064 km (0.114 R)
• M2: 461,958 km (0.075 R)
• M3: 1,472,342 km (0.082 R)
• M4: 2,049,192 km (0.089 R)
• M5: 4,232,722 km (0.109 R)
• M6: 5,229,493 km (0.092 R)
• M7: 5,574,914 km (0.117 R)
• M8: 7,111,883 km (0.104 R)
• M9: 7,536,741 km (0.085 R)
• M10: 8,016,052 km (0.045 R)
• M11: 10,361,747 km (0.079 R)
• M12: 11,667,138 km (0.1 R)
• M13: 12,562,332 km (0.115 R)
• M14: 13,771,980 km (0.074 R)
• M15: 14,942,733 km (0.062 R)
• M16: 16,360,622 km (0.116 R)
• M17: 17,481,409 km (0.081 R)
• M18: 21,661,173 km (0.064 R)
• M19: 23,785,613 km (0.108 R)
• M20: 30,430,152 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.9

Radius: 5.3

Gravity: 30.54 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.49 AU - 6.87 AU

Year: 9182 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,312,521 km

• M1: 68,217 km (0.103 R)
• M2: 247,435 km (0.119 R)
• M3: 536,907 km (0.088 R)
• M4: 1,035,965 km (0.077 R)
• M5: 1,368,821 km (0.071 R)
• M6: 1,981,723 km (0.064 R)
• M7: 2,869,138 km (0.059 R)
• M8: 4,303,482 km (0.036 R)
• M9: 4,998,364 km (0.09 R)
• M10: 5,695,640 km (0.087 R)
• M11: 7,698,456 km (0.079 R)
• M12: 9,724,460 km (0.114 R)
• M13: 10,281,562 km (0.091 R)
• M14: 11,852,041 km (0.071 R)
• M15: 12,903,415 km (0.055 R)
• M16: 13,451,691 km (0.099 R)
• M17: 14,529,693 km (0.047 R)
• M18: 15,123,148 km (0.092 R)
• M19: 16,784,432 km (0.112 R)
• M20: 18,032,378 km (0.051 R)
• M21: 19,578,173 km (0.081 R)
• M22: 26,646,822 km (0.073 R)
• M23: 33,395,630 km (0.1 R)
• M24: 43,055,165 km (0.069 R)
• M25: 44,689,222 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274

Radius: 7.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.46 AU - 8.46 AU

Year: 12454 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,312,521 km

• M1: 105,018 km (0.11 R)
• M2: 390,151 km (0.102 R)
• M3: 696,827 km (0.108 R)
• M4: 1,510,041 km (0.119 R)
• M5: 2,031,689 km (0.091 R)
• M6: 3,294,594 km (0.08 R)
• M7: 3,642,708 km (0.099 R)
• M8: 4,836,649 km (0.119 R)
• M9: 5,134,049 km (0.106 R)
• M10: 5,798,563 km (0.073 R)
• M11: 7,031,549 km (0.046 R)
• M12: 7,452,966 km (0.094 R)
• M13: 8,178,665 km (0.109 R)
• M14: 8,601,578 km (0.096 R)
• M15: 9,676,589 km (0.087 R)
• M16: 10,441,333 km (0.11 R)
• M17: 13,148,456 km (0.065 R)
• M18: 19,525,813 km (0.118 R)
• M19: 20,128,992 km (0.045 R)
• M20: 22,831,777 km (0.1 R)
• M21: 23,670,721 km (0.057 R)
• M22: 25,857,394 km (0.087 R)
• M23: 29,238,006 km (0.089 R)
• M24: 31,958,892 km (0.04 R)
• M25: 35,731,003 km (0.118 R)
• M26: 36,746,922 km (0.116 R)
• M27: 37,204,691 km (0.115 R)
• M28: 38,482,706 km (0.093 R)
• M29: 39,073,318 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.6

Radius: 5

Gravity: 37.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.47 AU - 9.17 AU

Year: 14832 Days

Day: 17.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,312,521 km

• M1: 62,382 km (0.063 R)
• M2: 228,286 km (0.109 R)
• M3: 506,538 km (0.09 R)
• M4: 1,154,148 km (0.09 R)
• M5: 1,482,664 km (0.09 R)
• M6: 2,476,742 km (0.054 R)
• M7: 3,099,668 km (0.112 R)
• M8: 3,941,904 km (0.11 R)
• M9: 5,033,669 km (0.108 R)
• M10: 5,668,263 km (0.072 R)
• M11: 6,609,982 km (0.071 R)
• M12: 8,642,419 km (0.075 R)
• M13: 10,755,788 km (0.079 R)
• M14: 16,760,197 km (0.109 R)
• M15: 19,915,516 km (0.111 R)
• M16: 21,584,579 km (0.096 R)
• M17: 22,258,069 km (0.025 R)
• M18: 25,198,116 km (0.08 R)
• M19: 27,036,674 km (0.107 R)
• M20: 28,962,597 km (0.026 R)
• M21: 29,428,744 km (0.116 R)
• M22: 31,834,726 km (0.065 R)
• M23: 35,684,627 km (0.089 R)
• M24: 39,120,741 km (0.082 R)
• M25: 39,977,039 km (0.12 R)
• M26: 46,801,694 km (0.085 R)
• M27: 52,444,526 km (0.098 R)
• M28: 55,428,704 km (0.074 R)
• M29: 59,456,028 km (0.057 R)
• M30: 63,087,516 km (0.076 R)
• M31: 67,882,427 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.8

Radius: 4.4

Gravity: 35.01 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.59 AU - 8.35 AU

Year: 15261 Days

Day: 20.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,312,521 km

• M1: 54,902 km (0.096 R)
• M2: 538,403 km (0.062 R)
• M3: 728,242 km (0.043 R)
• M4: 1,728,753 km (0.1 R)
• M5: 1,994,439 km (0.098 R)
• M6: 2,860,910 km (0.053 R)
• M7: 3,311,199 km (0.11 R)
• M8: 4,351,054 km (0.072 R)
• M9: 4,674,784 km (0.091 R)
• M10: 5,819,058 km (0.111 R)
• M11: 6,497,335 km (0.082 R)
• M12: 7,094,380 km (0.12 R)
• M13: 7,773,704 km (0.082 R)
• M14: 8,009,470 km (0.111 R)
• M15: 9,052,317 km (0.103 R)
• M16: 9,260,707 km (0.065 R)
• M17: 10,182,529 km (0.109 R)
• M18: 10,351,275 km (0.11 R)
• M19: 10,752,347 km (0.075 R)
• M20: 14,062,798 km (0.104 R)
• M21: 14,625,885 km (0.109 R)
• M22: 18,910,517 km (0.065 R)
• M23: 22,983,618 km (0.068 R)
• M24: 25,377,783 km (0.084 R)
• M25: 30,073,810 km (0.108 R)
• M26: 31,480,778 km (0.055 R)
• M27: 41,280,784 km (0.119 R)
• M28: 46,477,814 km (0.094 R)
• M29: 53,778,191 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 19,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit