🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 14.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.98 AU - 1.1 AU

Year: 685 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,261,753 km

• M1: 182,809 km (0.101 R)
• M2: 727,046 km (0.117 R)
• M3: 1,269,936 km (0.118 R)
• M4: 1,810,433 km (0.109 R)
• M5: 2,285,706 km (0.099 R)
• M6: 2,775,041 km (0.085 R)
• M7: 3,282,327 km (0.114 R)
• M8: 3,793,353 km (0.114 R)
• M9: 5,411,404 km (0.069 R)
• M10: 6,251,994 km (0.109 R)
• M11: 7,043,517 km (0.107 R)
• M12: 7,568,755 km (0.084 R)
• M13: 8,698,219 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 10.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.93 AU - 1.41 AU

Year: 817 Days

Day: 12.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,261,753 km

• M1: 137,480 km (0.091 R)
• M2: 493,374 km (0.027 R)
• M3: 852,857 km (0.088 R)
• M4: 1,264,551 km (0.082 R)
• M5: 1,740,870 km (0.097 R)
• M6: 2,152,713 km (0.115 R)
• M7: 2,768,309 km (0.098 R)
• M8: 3,280,981 km (0.074 R)
• M9: 3,666,793 km (0.112 R)
• M10: 4,067,716 km (0.082 R)
• M11: 5,795,272 km (0.112 R)
• M12: 6,175,998 km (0.108 R)
• M13: 6,745,966 km (0.091 R)
• M14: 7,145,094 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.3

Radius: 11.5

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.59 AU - 1.81 AU

Year: 1431 Days

Day: 7 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,261,753 km

• M1: 143,016 km (0.096 R)
• M2: 741,108 km (0.097 R)
• M3: 1,104,631 km (0.098 R)
• M4: 1,875,957 km (0.077 R)
• M5: 2,377,409 km (0.11 R)
• M6: 3,137,516 km (0.071 R)
• M7: 3,664,849 km (0.081 R)
• M8: 4,118,130 km (0.089 R)
• M9: 4,912,944 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966

Radius: 8.2

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.94 AU - 1.96 AU

Year: 1758 Days

Day: 10.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,261,753 km

• M1: 102,026 km (0.101 R)
• M2: 383,270 km (0.1 R)
• M3: 651,349 km (0.067 R)
• M4: 910,602 km (0.113 R)
• M5: 1,232,387 km (0.115 R)
• M6: 1,530,386 km (0.084 R)
• M7: 1,798,765 km (0.067 R)
• M8: 2,197,892 km (0.035 R)
• M9: 2,641,001 km (0.053 R)
• M10: 3,207,229 km (0.071 R)
• M11: 3,723,790 km (0.077 R)
• M12: 4,944,509 km (0.076 R)
• M13: 5,420,978 km (0.1 R)
• M14: 5,952,499 km (0.045 R)
• M15: 6,896,611 km (0.119 R)
• M16: 9,449,050 km (0.102 R)
• M17: 12,407,348 km (0.073 R)
• M18: 15,076,473 km (0.047 R)
• M19: 15,787,213 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.6

Radius: 10.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.84 AU - 2.78 AU

Year: 2267 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,261,753 km

• M1: 140,622 km (0.109 R)
• M2: 576,401 km (0.089 R)
• M3: 938,727 km (0.11 R)
• M4: 2,425,430 km (0.076 R)
• M5: 3,688,485 km (0.107 R)
• M6: 4,955,280 km (0.082 R)
• M7: 6,802,814 km (0.099 R)
• M8: 7,342,563 km (0.052 R)
• M9: 11,238,839 km (0.075 R)
• M10: 12,384,011 km (0.1 R)
• M11: 13,189,745 km (0.116 R)
• M12: 14,419,440 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.8

Radius: 11.2

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.51 AU - 2.51 AU

Year: 2568 Days

Day: 12.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,261,753 km

• M1: 139,276 km (0.107 R)
• M2: 582,833 km (0.1 R)
• M3: 984,055 km (0.115 R)
• M4: 1,448,556 km (0.098 R)
• M5: 1,799,513 km (0.074 R)
• M6: 2,391,621 km (0.087 R)
• M7: 3,124,950 km (0.103 R)
• M8: 4,316,497 km (0.088 R)
• M9: 4,890,654 km (0.101 R)
• M10: 6,819,868 km (0.059 R)
• M11: 8,409,345 km (0.11 R)
• M12: 8,834,951 km (0.038 R)
• M13: 10,063,150 km (0.12 R)
• M14: 13,217,720 km (0.051 R)
• M15: 14,602,847 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.7

Radius: 13.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.43 AU - 3.59 AU

Year: 4246 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,261,753 km

• M1: 167,998 km (0.107 R)
• M2: 784,491 km (0.072 R)
• M3: 1,428,211 km (0.104 R)
• M4: 2,255,786 km (0.096 R)
• M5: 3,131,831 km (0.072 R)
• M6: 4,466,095 km (0.066 R)
• M7: 5,224,406 km (0.12 R)
• M8: 5,902,384 km (0.1 R)
• M9: 6,521,420 km (0.103 R)
• M10: 7,090,490 km (0.075 R)
• M11: 8,090,253 km (0.081 R)
• M12: 8,606,814 km (0.1 R)
• M13: 9,255,620 km (0.118 R)
• M14: 10,290,090 km (0.108 R)
• M15: 11,743,882 km (0.109 R)
• M16: 12,183,400 km (0.119 R)
• M17: 16,160,609 km (0.097 R)
• M18: 17,831,019 km (0.086 R)
• M19: 20,046,414 km (0.091 R)
• M20: 20,994,864 km (0.101 R)
• M21: 21,447,548 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.2

Radius: 14.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.35 AU - 3.85 AU

Year: 4410 Days

Day: 12.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,261,753 km

• M1: 185,651 km (0.119 R)
• M2: 650,152 km (0.055 R)
• M3: 1,357,750 km (0.081 R)
• M4: 2,376,811 km (0.092 R)
• M5: 3,495,653 km (0.104 R)
• M6: 3,989,476 km (0.103 R)
• M7: 4,818,547 km (0.037 R)
• M8: 6,697,048 km (0.1 R)
• M9: 10,248,651 km (0.048 R)
• M10: 11,896,322 km (0.058 R)
• M11: 13,170,148 km (0.079 R)
• M12: 16,895,733 km (0.068 R)
• M13: 18,077,706 km (0.096 R)
• M14: 18,565,694 km (0.056 R)
• M15: 21,004,738 km (0.057 R)
• M16: 22,162,476 km (0.06 R)
• M17: 23,578,420 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.6

Radius: 5.9

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.86 AU - 7.26 AU

Year: 12112 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,261,753 km

• M1: 75,846 km (0.113 R)
• M2: 331,210 km (0.052 R)
• M3: 684,410 km (0.1 R)
• M4: 948,600 km (0.118 R)
• M5: 1,133,952 km (0.063 R)
• M6: 1,747,004 km (0.095 R)
• M7: 2,924,938 km (0.04 R)
• M8: 3,226,826 km (0.08 R)
• M9: 4,201,307 km (0.043 R)
• M10: 4,495,416 km (0.111 R)
• M11: 5,257,318 km (0.106 R)
• M12: 5,991,844 km (0.106 R)
• M13: 6,251,396 km (0.099 R)
• M14: 6,832,584 km (0.109 R)
• M15: 7,156,912 km (0.081 R)
• M16: 9,422,123 km (0.112 R)
• M17: 9,773,378 km (0.05 R)
• M18: 12,782,240 km (0.074 R)
• M19: 13,652,750 km (0.071 R)
• M20: 15,235,795 km (0.117 R)
• M21: 17,531,823 km (0.091 R)
• M22: 18,998,780 km (0.115 R)
• M23: 21,478,664 km (0.052 R)
• M24: 22,975,690 km (0.109 R)
• M25: 25,014,410 km (0.114 R)
• M26: 25,979,765 km (0.101 R)
• M27: 28,605,506 km (0.118 R)
• M28: 30,741,914 km (0.034 R)
• M29: 31,737,188 km (0.075 R)
• M30: 36,666,588 km (0.109 R)
• M31: 45,121,710 km (0.089 R)
• M32: 49,346,952 km (0.104 R)
• M33: 50,557,348 km (0.091 R)
• M34: 51,016,315 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.3

Radius: 4

Gravity: 35.33 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 10.33 AU - 12.13 AU

Year: 24299 Days

Day: 24.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,261,753 km

• M1: 49,816 km (0.03 R)
• M2: 624,571 km (0.118 R)
• M3: 974,780 km (0.117 R)
• M4: 2,516,236 km (0.087 R)
• M5: 3,048,655 km (0.12 R)
• M6: 3,298,334 km (0.097 R)
• M7: 3,713,917 km (0.082 R)
• M8: 6,920,697 km (0.072 R)
• M9: 8,215,167 km (0.07 R)
• M10: 13,487,894 km (0.074 R)
• M11: 23,186,324 km (0.095 R)
• M12: 25,924,862 km (0.096 R)
• M13: 55,771,582 km (0.04 R)
• M14: 69,459,189 km (0.096 R)
• M15: 69,678,948 km (0.107 R)
• M16: 71,676,678 km (0.073 R)
• M17: 74,859,522 km (0.04 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: 544 - 15,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit