🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 8.3

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.74 AU - 1.14 AU

Year: 629 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,960,295 km

• M1: 107,710 km (0.027 R)
• M2: 390,151 km (0.089 R)
• M3: 762,201 km (0.106 R)
• M4: 1,353,262 km (0.116 R)
• M5: 1,611,618 km (0.083 R)
• M6: 1,887,028 km (0.108 R)
• M7: 2,285,407 km (0.089 R)
• M8: 2,877,665 km (0.108 R)
• M9: 3,181,049 km (0.079 R)
• M10: 4,798,202 km (0.108 R)
• M11: 5,341,841 km (0.097 R)
• M12: 5,784,800 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 11.2

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.83 AU - 1.11 AU

Year: 659 Days

Day: 11.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 154.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,960,295 km

• M1: 139,276 km (0.078 R)
• M2: 504,444 km (0.117 R)
• M3: 877,840 km (0.114 R)
• M4: 1,587,233 km (0.104 R)
• M5: 1,951,654 km (0.09 R)
• M6: 2,402,093 km (0.092 R)
• M7: 2,843,108 km (0.055 R)
• M8: 3,325,411 km (0.091 R)
• M9: 3,766,426 km (0.116 R)
• M10: 5,210,045 km (0.112 R)
• M11: 6,256,033 km (0.095 R)
• M12: 6,687,773 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.7

Radius: 13.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.23 AU - 1.47 AU

Year: 1083 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,960,295 km

• M1: 173,833 km (0.075 R)
• M2: 836,850 km (0.06 R)
• M3: 1,559,707 km (0.089 R)
• M4: 2,231,551 km (0.107 R)
• M5: 3,309,105 km (0.087 R)
• M6: 3,867,105 km (0.117 R)
• M7: 4,458,914 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508

Radius: 11.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.55 AU - 3.93 AU

Year: 4026 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,960,295 km

• M1: 145,110 km (0.058 R)
• M2: 543,339 km (0.119 R)
• M3: 1,084,734 km (0.086 R)
• M4: 1,593,217 km (0.104 R)
• M5: 2,160,642 km (0.114 R)
• M6: 2,585,201 km (0.052 R)
• M7: 3,030,404 km (0.067 R)
• M8: 3,744,435 km (0.086 R)
• M9: 4,120,075 km (0.112 R)
• M10: 4,778,904 km (0.086 R)
• M11: 5,612,912 km (0.117 R)
• M12: 5,994,985 km (0.105 R)
• M13: 7,439,203 km (0.081 R)
• M14: 7,867,502 km (0.068 R)
• M15: 12,271,962 km (0.057 R)
• M16: 13,107,017 km (0.071 R)
• M17: 14,128,621 km (0.113 R)
• M18: 14,633,365 km (0.064 R)
• M19: 16,385,156 km (0.104 R)
• M20: 17,860,789 km (0.117 R)
• M21: 20,492,814 km (0.097 R)
• M22: 21,800,898 km (0.085 R)
• M23: 23,513,494 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.2

Radius: 14.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.93 AU - 4.35 AU

Year: 4794 Days

Day: 11.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,960,295 km

• M1: 186,549 km (0.111 R)
• M2: 759,957 km (0.056 R)
• M3: 1,628,522 km (0.084 R)
• M4: 2,894,719 km (0.097 R)
• M5: 4,724,750 km (0.094 R)
• M6: 6,425,229 km (0.115 R)
• M7: 9,390,408 km (0.068 R)
• M8: 10,934,108 km (0.07 R)
• M9: 12,017,496 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 10

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.4 AU - 5.24 AU

Year: 7304 Days

Day: 8.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,960,295 km

• M1: 126,410 km (0.109 R)
• M2: 739,761 km (0.042 R)
• M3: 1,275,920 km (0.059 R)
• M4: 1,969,606 km (0.12 R)
• M5: 2,385,637 km (0.099 R)
• M6: 2,878,712 km (0.107 R)
• M7: 4,190,536 km (0.12 R)
• M8: 6,175,849 km (0.06 R)
• M9: 7,073,885 km (0.064 R)
• M10: 8,561,187 km (0.09 R)
• M11: 8,963,456 km (0.108 R)
• M12: 11,599,819 km (0.046 R)
• M13: 19,221,082 km (0.095 R)
• M14: 24,571,450 km (0.105 R)
• M15: 26,217,176 km (0.107 R)
• M16: 28,376,173 km (0.056 R)
• M17: 29,091,400 km (0.107 R)
• M18: 30,371,809 km (0.087 R)
• M19: 32,362,507 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.9

Radius: 3.2

Gravity: 40.32 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.03 AU - 6.55 AU

Year: 9617 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,960,295 km

• M1: 40,092 km (0.106 R)
• M2: 350,358 km (0.074 R)
• M3: 716,574 km (0.088 R)
• M4: 1,191,248 km (0.098 R)
• M5: 1,700,629 km (0.07 R)
• M6: 1,878,500 km (0.088 R)
• M7: 2,219,434 km (0.079 R)
• M8: 5,940,232 km (0.109 R)
• M9: 7,689,331 km (0.054 R)
• M10: 11,216,100 km (0.119 R)
• M11: 13,557,157 km (0.118 R)
• M12: 15,944,739 km (0.074 R)
• M13: 16,139,217 km (0.071 R)
• M14: 22,492,189 km (0.072 R)
• M15: 27,915,860 km (0.089 R)
• M16: 29,542,139 km (0.03 R)
• M17: 31,433,205 km (0.07 R)
• M18: 31,636,808 km (0.076 R)
• M19: 33,935,230 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.2

Radius: 3.4

Gravity: 58.84 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.1 AU - 7.14 AU

Year: 10451 Days

Day: 21.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,960,295 km

• M1: 42,336 km (0.114 R)
• M2: 279,748 km (0.089 R)
• M3: 524,490 km (0.103 R)
• M4: 783,743 km (0.103 R)
• M5: 1,344,436 km (0.077 R)
• M6: 1,494,034 km (0.105 R)
• M7: 2,318,917 km (0.119 R)
• M8: 2,742,279 km (0.103 R)
• M9: 6,119,301 km (0.114 R)
• M10: 7,243,978 km (0.12 R)
• M11: 7,367,695 km (0.042 R)
• M12: 9,742,262 km (0.098 R)
• M13: 10,096,510 km (0.111 R)
• M14: 10,777,031 km (0.119 R)
• M15: 10,884,292 km (0.098 R)
• M16: 11,769,014 km (0.108 R)
• M17: 15,513,598 km (0.087 R)
• M18: 17,356,943 km (0.112 R)
• M19: 19,579,519 km (0.093 R)
• M20: 21,134,140 km (0.053 R)
• M21: 21,984,604 km (0.065 R)
• M22: 22,157,389 km (0.059 R)
• M23: 23,662,643 km (0.104 R)
• M24: 23,935,211 km (0.097 R)
• M25: 24,301,875 km (0.072 R)
• M26: 25,614,596 km (0.109 R)
• M27: 26,094,656 km (0.032 R)
• M28: 26,483,012 km (0.1 R)
• M29: 30,688,358 km (0.098 R)
• M30: 32,443,290 km (0.111 R)
• M31: 35,792,637 km (0.108 R)
• M32: 42,898,237 km (0.083 R)
• M33: 45,647,546 km (0.05 R)
• M34: 47,496,277 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.3

Radius: 7.9

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.39 AU - 7.57 AU

Year: 11386 Days

Day: 21.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,960,295 km

• M1: 98,735 km (0.12 R)
• M2: 460,013 km (0.112 R)
• M3: 1,343,389 km (0.096 R)
• M4: 1,777,971 km (0.082 R)
• M5: 3,123,005 km (0.118 R)
• M6: 4,151,042 km (0.074 R)
• M7: 4,454,277 km (0.084 R)
• M8: 4,772,172 km (0.091 R)
• M9: 6,162,983 km (0.112 R)
• M10: 7,047,406 km (0.048 R)
• M11: 10,010,940 km (0.079 R)
• M12: 12,888,605 km (0.089 R)
• M13: 13,238,963 km (0.075 R)
• M14: 15,151,721 km (0.104 R)
• M15: 16,961,556 km (0.081 R)
• M16: 17,524,493 km (0.083 R)
• M17: 18,539,365 km (0.113 R)
• M18: 19,516,239 km (0.101 R)
• M19: 21,490,931 km (0.085 R)
• M20: 22,316,861 km (0.109 R)
• M21: 22,568,634 km (0.117 R)
• M22: 26,110,513 km (0.117 R)
• M23: 28,110,637 km (0.108 R)
• M24: 35,627,780 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.6

Radius: 3.1

Gravity: 88.2 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.36 AU - 8.72 AU

Year: 12893 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,960,295 km

• M1: 40,691 km (0.119 R)
• M2: 163,361 km (0.05 R)
• M3: 343,178 km (0.097 R)
• M4: 456,423 km (0.081 R)
• M5: 602,730 km (0.117 R)
• M6: 714,180 km (0.076 R)
• M7: 829,221 km (0.032 R)
• M8: 1,159,533 km (0.111 R)
• M9: 2,628,285 km (0.097 R)
• M10: 3,124,352 km (0.093 R)
• M11: 3,680,257 km (0.079 R)
• M12: 4,519,950 km (0.059 R)
• M13: 4,950,194 km (0.096 R)
• M14: 5,122,680 km (0.117 R)
• M15: 6,733,999 km (0.081 R)
• M16: 8,167,445 km (0.116 R)
• M17: 8,359,978 km (0.11 R)
• M18: 8,703,903 km (0.111 R)
• M19: 10,285,452 km (0.094 R)
• M20: 10,566,397 km (0.103 R)
• M21: 10,910,322 km (0.105 R)
• M22: 12,423,804 km (0.04 R)
• M23: 12,871,401 km (0.049 R)
• M24: 14,628,278 km (0.094 R)
• M25: 14,840,707 km (0.076 R)
• M26: 17,633,101 km (0.087 R)
• M27: 18,361,493 km (0.086 R)
• M28: 20,490,121 km (0.109 R)
• M29: 21,294,958 km (0.105 R)
• M30: 23,738,190 km (0.077 R)
• M31: 24,228,422 km (0.047 R)
• M32: 29,396,131 km (0.113 R)
• M33: 29,847,767 km (0.03 R)
• M34: 31,347,635 km (0.059 R)
• M35: 36,926,439 km (0.106 R)
• M36: 41,696,667 km (0.095 R)
• M37: 44,302,661 km (0.103 R)
• M38: 55,640,235 km (0.105 R)
• M39: 60,595,515 km (0.058 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 16,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit