🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.56 AU - 0.68 AU

Year: 320 Days

Day: 47.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,878,137 km

• M1: 77,193 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 11.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.61 AU - 0.81 AU

Year: 392 Days

Day: 10.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,878,137 km

• M1: 140,622 km (0.084 R)
• M2: 929,452 km (0.041 R)
• M3: 1,437,037 km (0.091 R)
• M4: 1,801,308 km (0.111 R)
• M5: 2,917,009 km (0.028 R)
• M6: 3,416,217 km (0.114 R)
• M7: 3,907,496 km (0.114 R)
• M8: 4,279,097 km (0.053 R)
• M9: 4,881,079 km (0.112 R)
• M10: 5,441,174 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499

Radius: 12.9

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.85 AU - 1.29 AU

Year: 726 Days

Day: 13.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,878,137 km

• M1: 160,369 km (0.043 R)
• M2: 566,677 km (0.118 R)
• M3: 1,056,759 km (0.101 R)
• M4: 1,478,326 km (0.118 R)
• M5: 2,041,263 km (0.027 R)
• M6: 2,500,977 km (0.119 R)
• M7: 3,018,137 km (0.075 R)
• M8: 4,225,541 km (0.111 R)
• M9: 4,767,983 km (0.053 R)
• M10: 5,569,379 km (0.118 R)
• M11: 6,518,428 km (0.087 R)
• M12: 7,095,577 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.6

Radius: 13.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.7 AU - 1.74 AU

Year: 1480 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,878,137 km

• M1: 167,250 km (0.051 R)
• M2: 676,482 km (0.112 R)
• M3: 1,120,338 km (0.104 R)
• M4: 1,544,299 km (0.109 R)
• M5: 2,133,864 km (0.05 R)
• M6: 3,040,876 km (0.105 R)
• M7: 3,857,680 km (0.109 R)
• M8: 4,601,182 km (0.084 R)
• M9: 5,590,921 km (0.038 R)
• M10: 7,022,274 km (0.118 R)
• M11: 8,956,275 km (0.096 R)
• M12: 10,161,884 km (0.078 R)
• M13: 11,117,515 km (0.119 R)
• M14: 13,050,320 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 8.7

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.64 AU - 2.44 AU

Year: 1911 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,878,137 km

• M1: 108,159 km (0.087 R)
• M2: 475,572 km (0.085 R)
• M3: 857,046 km (0.089 R)
• M4: 1,134,700 km (0.099 R)
• M5: 1,607,280 km (0.051 R)
• M6: 1,900,491 km (0.098 R)
• M7: 2,252,794 km (0.11 R)
• M8: 2,635,615 km (0.103 R)
• M9: 2,989,713 km (0.119 R)
• M10: 3,329,151 km (0.072 R)
• M11: 4,051,110 km (0.067 R)
• M12: 4,755,118 km (0.098 R)
• M13: 5,282,301 km (0.111 R)
• M14: 6,262,616 km (0.072 R)
• M15: 7,022,872 km (0.116 R)
• M16: 7,359,467 km (0.038 R)
• M17: 8,009,320 km (0.067 R)
• M18: 9,115,746 km (0.109 R)
• M19: 10,189,261 km (0.103 R)
• M20: 10,722,577 km (0.099 R)
• M21: 11,557,483 km (0.036 R)
• M22: 12,928,547 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.4

Radius: 12.3

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.13 AU - 2.39 AU

Year: 2229 Days

Day: 7.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,878,137 km

• M1: 153,039 km (0.087 R)
• M2: 540,348 km (0.09 R)
• M3: 1,199,476 km (0.053 R)
• M4: 1,608,028 km (0.028 R)
• M5: 2,508,008 km (0.088 R)
• M6: 3,071,543 km (0.07 R)
• M7: 3,735,459 km (0.097 R)
• M8: 4,266,681 km (0.118 R)
• M9: 4,807,627 km (0.087 R)
• M10: 5,592,567 km (0.116 R)
• M11: 6,075,020 km (0.072 R)
• M12: 7,071,043 km (0.099 R)
• M13: 7,636,074 km (0.076 R)
• M14: 10,406,626 km (0.1 R)
• M15: 11,032,095 km (0.103 R)
• M16: 11,462,937 km (0.117 R)
• M17: 13,624,028 km (0.111 R)
• M18: 14,078,656 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.9

Radius: 9.8

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.46 AU - 3.28 AU

Year: 3190 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,878,137 km

• M1: 122,221 km (0.09 R)
• M2: 594,951 km (0.111 R)
• M3: 1,243,308 km (0.042 R)
• M4: 1,915,302 km (0.099 R)
• M5: 2,697,698 km (0.11 R)
• M6: 3,235,802 km (0.059 R)
• M7: 3,580,027 km (0.07 R)
• M8: 4,077,290 km (0.082 R)
• M9: 4,643,668 km (0.098 R)
• M10: 6,218,035 km (0.079 R)
• M11: 7,126,543 km (0.084 R)
• M12: 7,579,675 km (0.066 R)
• M13: 9,130,407 km (0.116 R)
• M14: 9,821,998 km (0.099 R)
• M15: 10,302,357 km (0.116 R)
• M16: 11,009,506 km (0.109 R)
• M17: 11,615,826 km (0.092 R)
• M18: 11,972,168 km (0.089 R)
• M19: 12,289,914 km (0.104 R)
• M20: 12,847,914 km (0.107 R)
• M21: 13,667,112 km (0.101 R)
• M22: 14,675,102 km (0.098 R)
• M23: 15,197,199 km (0.082 R)
• M24: 17,701,916 km (0.065 R)
• M25: 19,454,754 km (0.084 R)
• M26: 20,212,767 km (0.093 R)
• M27: 22,399,140 km (0.066 R)
• M28: 23,372,573 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.2

Radius: 8.6

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.1 AU - 3.2 AU

Year: 3668 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,878,137 km

• M1: 106,962 km (0.071 R)
• M2: 404,961 km (0.091 R)
• M3: 813,364 km (0.118 R)
• M4: 1,134,700 km (0.085 R)
• M5: 1,713,045 km (0.117 R)
• M6: 2,152,414 km (0.053 R)
• M7: 2,697,998 km (0.046 R)
• M8: 5,381,484 km (0.068 R)
• M9: 5,785,698 km (0.115 R)
• M10: 6,181,085 km (0.108 R)
• M11: 6,838,867 km (0.115 R)
• M12: 7,843,865 km (0.113 R)
• M13: 11,624,353 km (0.119 R)
• M14: 12,672,136 km (0.076 R)
• M15: 13,437,330 km (0.088 R)
• M16: 14,849,982 km (0.068 R)
• M17: 16,414,926 km (0.096 R)
• M18: 16,808,518 km (0.102 R)
• M19: 18,627,927 km (0.108 R)
• M20: 20,251,961 km (0.103 R)
• M21: 20,704,944 km (0.094 R)
• M22: 24,066,857 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.7

Radius: 3

Gravity: 77.74 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.13 AU - 8.45 AU

Year: 15658 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,878,137 km

• M1: 37,250 km (0.085 R)
• M2: 298,747 km (0.1 R)
• M3: 410,497 km (0.046 R)
• M4: 589,565 km (0.077 R)
• M5: 994,078 km (0.119 R)
• M6: 1,375,552 km (0.074 R)
• M7: 1,496,278 km (0.028 R)
• M8: 1,640,490 km (0.114 R)
• M9: 2,032,137 km (0.072 R)
• M10: 4,653,541 km (0.047 R)
• M11: 7,691,126 km (0.081 R)
• M12: 10,281,263 km (0.064 R)
• M13: 10,568,491 km (0.078 R)
• M14: 11,158,804 km (0.049 R)
• M15: 11,279,530 km (0.071 R)
• M16: 14,731,202 km (0.078 R)
• M17: 17,657,037 km (0.099 R)
• M18: 23,816,879 km (0.115 R)
• M19: 27,263,763 km (0.085 R)
• M20: 28,708,131 km (0.12 R)
• M21: 31,147,773 km (0.087 R)
• M22: 31,748,259 km (0.109 R)
• M23: 32,479,194 km (0.114 R)
• M24: 33,722,053 km (0.115 R)
• M25: 34,867,374 km (0.077 R)
• M26: 43,470,299 km (0.104 R)
• M27: 45,591,148 km (0.119 R)
• M28: 47,779,765 km (0.054 R)
• M29: 54,417,273 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905

Radius: 5.6

Gravity: 28.86 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.12 AU - 9.32 AU

Year: 18366 Days

Day: 24.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,878,137 km

• M1: 86,617 km (0.101 R)
• M2: 305,030 km (0.114 R)
• M3: 778,807 km (0.038 R)
• M4: 1,028,485 km (0.11 R)
• M5: 1,214,436 km (0.048 R)
• M6: 1,536,221 km (0.076 R)
• M7: 2,197,443 km (0.081 R)
• M8: 3,477,552 km (0.107 R)
• M9: 3,901,812 km (0.109 R)
• M10: 4,126,657 km (0.077 R)
• M11: 4,602,079 km (0.054 R)
• M12: 5,189,401 km (0.079 R)
• M13: 5,743,212 km (0.104 R)
• M14: 5,950,255 km (0.107 R)
• M15: 6,162,235 km (0.064 R)
• M16: 8,730,831 km (0.087 R)
• M17: 9,228,244 km (0.037 R)
• M18: 11,150,726 km (0.108 R)
• M19: 11,935,666 km (0.102 R)
• M20: 15,208,718 km (0.113 R)
• M21: 19,402,545 km (0.087 R)
• M22: 21,912,797 km (0.098 R)
• M23: 24,199,400 km (0.097 R)
• M24: 24,631,589 km (0.113 R)
• M25: 25,178,967 km (0.091 R)
• M26: 27,684,283 km (0.091 R)
• M27: 28,635,127 km (0.101 R)
• M28: 30,980,223 km (0.07 R)
• M29: 33,184,099 km (0.1 R)
• M30: 36,048,300 km (0.06 R)
• M31: 37,324,669 km (0.03 R)
• M32: 46,281,093 km (0.11 R)
• M33: 47,957,337 km (0.101 R)
• M34: 57,904,848 km (0.098 R)
• M35: 62,645,455 km (0.065 R)
• M36: 63,869,614 km (0.118 R)
• M37: 68,065,685 km (0.026 R)
• M38: 78,878,170 km (0.116 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: 446 - 13,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit