🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.5

Radius: 10.5

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 11.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,291,671 km

• M1: 130,599 km (0.086 R)
• M2: 632,949 km (0.092 R)
• M3: 1,373,907 km (0.107 R)
• M4: 2,228,559 km (0.029 R)
• M5: 3,775,701 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.8

Radius: 14

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.58 AU - 0.84 AU

Year: 399 Days

Day: 12.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,291,671 km

• M1: 174,581 km (0.038 R)
• M2: 905,217 km (0.119 R)
• M3: 1,725,462 km (0.052 R)
• M4: 2,904,293 km (0.067 R)
• M5: 3,364,157 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.6

Radius: 13.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.63 AU - 0.85 AU

Year: 424 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,291,671 km

• M1: 171,589 km (0.086 R)
• M2: 643,121 km (0.079 R)
• M3: 1,182,571 km (0.091 R)
• M4: 2,161,240 km (0.063 R)
• M5: 2,722,831 km (0.12 R)
• M6: 3,227,275 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 9.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.14 AU - 1.14 AU

Year: 812 Days

Day: 12.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,291,671 km

• M1: 114,442 km (0.098 R)
• M2: 515,963 km (0.118 R)
• M3: 944,561 km (0.037 R)
• M4: 1,551,779 km (0.103 R)
• M5: 1,947,465 km (0.044 R)
• M6: 2,410,022 km (0.093 R)
• M7: 2,732,555 km (0.048 R)
• M8: 3,131,532 km (0.114 R)
• M9: 3,556,091 km (0.109 R)
• M10: 4,249,926 km (0.067 R)
• M11: 4,660,572 km (0.074 R)
• M12: 4,948,997 km (0.07 R)
• M13: 5,249,389 km (0.112 R)
• M14: 5,960,727 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.6

Radius: 11.5

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.08 AU - 1.24 AU

Year: 833 Days

Day: 6 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,291,671 km

• M1: 143,016 km (0.086 R)
• M2: 544,387 km (0.107 R)
• M3: 1,076,357 km (0.119 R)
• M4: 1,480,421 km (0.091 R)
• M5: 1,856,061 km (0.117 R)
• M6: 2,305,453 km (0.073 R)
• M7: 2,827,250 km (0.056 R)
• M8: 3,221,889 km (0.12 R)
• M9: 4,068,015 km (0.113 R)
• M10: 4,756,614 km (0.116 R)
• M11: 5,285,293 km (0.113 R)
• M12: 5,746,952 km (0.089 R)
• M13: 6,105,987 km (0.09 R)
• M14: 6,518,428 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.5

Radius: 12.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.04 AU - 2.82 AU

Year: 2526 Days

Day: 6.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,291,671 km

• M1: 159,471 km (0.026 R)
• M2: 586,872 km (0.112 R)
• M3: 1,331,271 km (0.083 R)
• M4: 2,513,693 km (0.043 R)
• M5: 2,962,038 km (0.084 R)
• M6: 3,564,169 km (0.077 R)
• M7: 4,059,189 km (0.084 R)
• M8: 4,579,789 km (0.107 R)
• M9: 5,166,662 km (0.1 R)
• M10: 6,962,435 km (0.033 R)
• M11: 7,400,008 km (0.085 R)
• M12: 9,175,436 km (0.045 R)
• M13: 12,930,492 km (0.116 R)
• M14: 13,425,960 km (0.109 R)
• M15: 14,675,551 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 13.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.34 AU - 5.98 AU

Year: 7816 Days

Day: 12.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,291,671 km

• M1: 167,849 km (0.079 R)
• M2: 607,218 km (0.073 R)
• M3: 1,290,880 km (0.043 R)
• M4: 1,958,535 km (0.058 R)
• M5: 2,987,769 km (0.09 R)
• M6: 3,800,534 km (0.103 R)
• M7: 4,812,264 km (0.112 R)
• M8: 5,963,570 km (0.058 R)
• M9: 6,887,935 km (0.073 R)
• M10: 8,024,579 km (0.105 R)
• M11: 8,722,304 km (0.091 R)
• M12: 11,769,762 km (0.08 R)
• M13: 13,167,006 km (0.039 R)
• M14: 13,790,381 km (0.101 R)
• M15: 15,528,708 km (0.077 R)
• M16: 16,353,740 km (0.05 R)
• M17: 17,274,665 km (0.068 R)
• M18: 18,720,528 km (0.065 R)
• M19: 22,646,425 km (0.105 R)
• M20: 24,040,677 km (0.078 R)
• M21: 28,566,910 km (0.083 R)
• M22: 30,193,787 km (0.056 R)
• M23: 32,800,530 km (0.07 R)
• M24: 34,052,814 km (0.087 R)
• M25: 37,774,061 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.4

Radius: 3.6

Gravity: 37.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.06 AU - 6.58 AU

Year: 9363 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,291,671 km

• M1: 45,328 km (0.089 R)
• M2: 187,745 km (0.08 R)
• M3: 302,487 km (0.091 R)
• M4: 559,795 km (0.117 R)
• M5: 752,178 km (0.093 R)
• M6: 1,257,669 km (0.102 R)
• M7: 1,630,916 km (0.05 R)
• M8: 2,208,962 km (0.118 R)
• M9: 2,404,487 km (0.113 R)
• M10: 3,536,643 km (0.105 R)
• M11: 5,350,667 km (0.102 R)
• M12: 5,638,344 km (0.118 R)
• M13: 7,156,463 km (0.106 R)
• M14: 7,664,198 km (0.109 R)
• M15: 10,032,332 km (0.103 R)
• M16: 11,225,675 km (0.12 R)
• M17: 12,621,722 km (0.026 R)
• M18: 14,189,807 km (0.103 R)
• M19: 16,013,405 km (0.115 R)
• M20: 17,289,475 km (0.075 R)
• M21: 18,487,305 km (0.091 R)
• M22: 21,681,519 km (0.076 R)
• M23: 22,003,603 km (0.101 R)
• M24: 22,247,298 km (0.049 R)
• M25: 22,410,808 km (0.115 R)
• M26: 24,089,596 km (0.085 R)
• M27: 27,039,965 km (0.12 R)
• M28: 27,789,749 km (0.114 R)
• M29: 30,523,351 km (0.104 R)
• M30: 30,927,864 km (0.119 R)
• M31: 32,476,950 km (0.117 R)
• M32: 32,898,517 km (0.079 R)
• M33: 34,841,194 km (0.078 R)
• M34: 36,744,977 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.5

Radius: 3.8

Gravity: 23.72 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.27 AU - 7.49 AU

Year: 12034 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,291,671 km

• M1: 47,722 km (0.111 R)
• M2: 204,351 km (0.037 R)
• M3: 323,879 km (0.059 R)
• M4: 517,609 km (0.063 R)
• M5: 671,844 km (0.075 R)
• M6: 1,954,646 km (0.101 R)
• M7: 2,332,829 km (0.115 R)
• M8: 3,187,332 km (0.113 R)
• M9: 3,371,188 km (0.079 R)
• M10: 3,537,690 km (0.076 R)
• M11: 5,325,535 km (0.1 R)
• M12: 5,454,039 km (0.109 R)
• M13: 8,051,657 km (0.096 R)
• M14: 8,967,644 km (0.049 R)
• M15: 10,900,898 km (0.087 R)
• M16: 11,964,239 km (0.087 R)
• M17: 12,240,397 km (0.063 R)
• M18: 12,978,662 km (0.093 R)
• M19: 15,241,480 km (0.11 R)
• M20: 15,895,372 km (0.025 R)
• M21: 16,431,830 km (0.068 R)
• M22: 20,294,298 km (0.12 R)
• M23: 21,326,224 km (0.078 R)
• M24: 23,753,449 km (0.104 R)
• M25: 30,255,571 km (0.082 R)
• M26: 30,871,316 km (0.044 R)
• M27: 31,286,450 km (0.089 R)
• M28: 32,127,938 km (0.076 R)
• M29: 32,768,815 km (0.099 R)
• M30: 35,191,702 km (0.071 R)
• M31: 40,762,428 km (0.117 R)
• M32: 41,639,221 km (0.118 R)
• M33: 42,913,795 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.6

Radius: 3.8

Gravity: 64.03 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.89 AU - 9.33 AU

Year: 13999 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,291,671 km

• M1: 47,572 km (0.116 R)
• M2: 275,260 km (0.09 R)
• M3: 762,351 km (0.118 R)
• M4: 885,171 km (0.112 R)
• M5: 1,057,657 km (0.099 R)
• M6: 1,308,233 km (0.094 R)
• M7: 1,470,547 km (0.113 R)
• M8: 1,662,930 km (0.067 R)
• M9: 2,098,110 km (0.12 R)
• M10: 2,650,874 km (0.106 R)
• M11: 2,791,197 km (0.109 R)
• M12: 3,268,564 km (0.115 R)
• M13: 3,916,622 km (0.103 R)
• M14: 4,747,788 km (0.106 R)
• M15: 6,124,088 km (0.094 R)
• M16: 10,362,944 km (0.097 R)
• M17: 10,536,477 km (0.054 R)
• M18: 12,186,542 km (0.099 R)
• M19: 13,309,423 km (0.097 R)
• M20: 15,607,097 km (0.114 R)
• M21: 16,611,497 km (0.088 R)
• M22: 17,576,104 km (0.109 R)
• M23: 18,662,634 km (0.119 R)
• M24: 20,239,994 km (0.108 R)
• M25: 21,903,971 km (0.093 R)
• M26: 22,769,095 km (0.088 R)
• M27: 25,083,225 km (0.117 R)
• M28: 26,674,048 km (0.058 R)
• M29: 29,241,896 km (0.114 R)
• M30: 30,172,395 km (0.092 R)
• M31: 33,710,683 km (0.118 R)
• M32: 34,475,727 km (0.05 R)
• M33: 34,733,334 km (0.118 R)
• M34: 38,891,407 km (0.072 R)
• M35: 41,889,199 km (0.091 R)
• M36: 44,730,811 km (0.05 R)
• M37: 55,420,775 km (0.065 R)
• M38: 58,839,386 km (0.114 R)
• M39: 61,257,785 km (0.096 R)
• M40: 61,446,577 km (0.044 R)
• M41: 62,395,925 km (0.105 R)
• M42: 63,355,147 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 12,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit