🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 9.4

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.45 AU - 0.65 AU

Year: 282 Days

Day: 8.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,530,475 km

• M1: 120,576 km (0.092 R)
• M2: 439,818 km (0.12 R)
• M3: 1,040,603 km (0.065 R)
• M4: 1,374,505 km (0.064 R)
• M5: 2,242,173 km (0.1 R)
• M6: 2,619,309 km (0.066 R)
• M7: 2,941,842 km (0.079 R)
• M8: 3,427,437 km (0.113 R)
• M9: 3,953,872 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.3

Radius: 13.7

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.47 AU - 0.65 AU

Year: 289 Days

Day: 10 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,530,475 km

• M1: 170,392 km (0.105 R)
• M2: 666,758 km (0.089 R)
• M3: 1,110,764 km (0.087 R)
• M4: 1,878,500 km (0.101 R)
• M5: 2,313,830 km (0.096 R)
• M6: 2,799,874 km (0.055 R)
• M7: 3,364,307 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.7

Radius: 10.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,530,475 km

• M1: 130,599 km (0.106 R)
• M2: 464,501 km (0.044 R)
• M3: 809,175 km (0.117 R)
• M4: 1,647,970 km (0.079 R)
• M5: 2,240,228 km (0.075 R)
• M6: 3,132,879 km (0.087 R)
• M7: 3,862,617 km (0.098 R)
• M8: 5,048,330 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.6

Radius: 9.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.52 AU - 1.92 AU

Year: 1557 Days

Day: 5.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,530,475 km

• M1: 113,096 km (0.074 R)
• M2: 502,798 km (0.054 R)
• M3: 1,193,941 km (0.053 R)
• M4: 1,864,139 km (0.063 R)
• M5: 2,498,284 km (0.085 R)
• M6: 3,282,476 km (0.072 R)
• M7: 3,619,371 km (0.054 R)
• M8: 4,069,361 km (0.064 R)
• M9: 4,993,876 km (0.102 R)
• M10: 5,367,871 km (0.087 R)
• M11: 6,232,397 km (0.115 R)
• M12: 7,711,022 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505

Radius: 9

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.8 AU - 1.84 AU

Year: 1695 Days

Day: 9 Hours

Environment

Temp: -193 °C

Axial Tilt: 172.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,530,475 km

• M1: 114,143 km (0.099 R)
• M2: 400,623 km (0.045 R)
• M3: 761,902 km (0.098 R)
• M4: 1,107,174 km (0.05 R)
• M5: 1,485,806 km (0.06 R)
• M6: 1,866,383 km (0.11 R)
• M7: 2,335,672 km (0.072 R)
• M8: 2,798,827 km (0.113 R)
• M9: 3,155,617 km (0.12 R)
• M10: 4,319,788 km (0.102 R)
• M11: 4,818,099 km (0.079 R)
• M12: 5,592,866 km (0.084 R)
• M13: 5,906,872 km (0.091 R)
• M14: 7,822,323 km (0.089 R)
• M15: 8,770,624 km (0.098 R)
• M16: 9,475,679 km (0.046 R)
• M17: 10,654,510 km (0.097 R)
• M18: 12,601,825 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 10.4

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.1 AU - 2.7 AU

Year: 2566 Days

Day: 9.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,530,475 km

• M1: 129,402 km (0.11 R)
• M2: 488,886 km (0.09 R)
• M3: 1,134,999 km (0.111 R)
• M4: 1,521,111 km (0.088 R)
• M5: 2,289,446 km (0.116 R)
• M6: 3,271,107 km (0.082 R)
• M7: 7,194,610 km (0.115 R)
• M8: 8,328,861 km (0.063 R)
• M9: 9,075,504 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.8

Radius: 12.5

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.15 AU - 3.51 AU

Year: 3286 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,530,475 km

• M1: 155,731 km (0.117 R)
• M2: 551,268 km (0.077 R)
• M3: 1,120,488 km (0.076 R)
• M4: 1,747,303 km (0.074 R)
• M5: 2,367,087 km (0.06 R)
• M6: 3,044,915 km (0.045 R)
• M7: 3,467,230 km (0.088 R)
• M8: 4,237,808 km (0.108 R)
• M9: 6,312,581 km (0.115 R)
• M10: 7,124,748 km (0.099 R)
• M11: 7,714,762 km (0.111 R)
• M12: 8,678,023 km (0.087 R)
• M13: 9,135,044 km (0.066 R)
• M14: 9,757,072 km (0.073 R)
• M15: 10,964,028 km (0.092 R)
• M16: 11,709,175 km (0.084 R)
• M17: 13,071,563 km (0.043 R)
• M18: 15,538,731 km (0.076 R)
• M19: 16,586,066 km (0.033 R)
• M20: 17,236,667 km (0.099 R)
• M21: 19,588,944 km (0.081 R)
• M22: 20,193,618 km (0.093 R)
• M23: 20,935,773 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.2

Radius: 3.3

Gravity: 68.34 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.57 AU - 6.19 AU

Year: 9842 Days

Day: 21.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 42,530,475 km

• M1: 40,990 km (0.084 R)
• M2: 177,573 km (0.062 R)
• M3: 385,813 km (0.11 R)
• M4: 595,848 km (0.119 R)
• M5: 829,969 km (0.099 R)
• M6: 947,553 km (0.066 R)
• M7: 1,356,254 km (0.111 R)
• M8: 1,506,301 km (0.102 R)
• M9: 1,622,389 km (0.108 R)
• M10: 2,006,855 km (0.083 R)
• M11: 2,693,061 km (0.098 R)
• M12: 2,799,425 km (0.072 R)
• M13: 3,497,598 km (0.064 R)
• M14: 3,780,637 km (0.117 R)
• M15: 4,391,894 km (0.116 R)
• M16: 4,690,492 km (0.092 R)
• M17: 5,098,595 km (0.05 R)
• M18: 5,913,604 km (0.12 R)
• M19: 7,458,800 km (0.049 R)
• M20: 8,459,161 km (0.049 R)
• M21: 8,641,820 km (0.055 R)
• M22: 9,157,783 km (0.109 R)
• M23: 10,510,746 km (0.075 R)
• M24: 10,882,048 km (0.049 R)
• M25: 11,152,671 km (0.071 R)
• M26: 14,046,043 km (0.09 R)
• M27: 17,550,074 km (0.113 R)
• M28: 18,681,782 km (0.116 R)
• M29: 22,804,400 km (0.075 R)
• M30: 24,150,183 km (0.083 R)
• M31: 24,795,997 km (0.104 R)
• M32: 25,169,991 km (0.062 R)
• M33: 26,315,013 km (0.04 R)
• M34: 32,563,717 km (0.108 R)
• M35: 38,221,807 km (0.114 R)
• M36: 39,350,822 km (0.119 R)
• M37: 41,020,634 km (0.107 R)
• M38: 42,469,938 km (0.113 R)
• M39: 42,871,159 km (0.113 R)
• M40: 44,089,634 km (0.111 R)
• M41: 44,638,509 km (0.118 R)
• M42: 45,330,997 km (0.117 R)
• M43: 48,317,719 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318

Radius: 4.6

Gravity: 15.03 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.08 AU - 7.54 AU

Year: 12267 Days

Day: 18.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,530,475 km

• M1: 65,973 km (0.098 R)
• M2: 753,225 km (0.042 R)
• M3: 1,422,975 km (0.093 R)
• M4: 2,038,869 km (0.062 R)
• M5: 2,714,753 km (0.05 R)
• M6: 5,625,329 km (0.109 R)
• M7: 6,894,966 km (0.097 R)
• M8: 8,430,289 km (0.092 R)
• M9: 9,697,832 km (0.084 R)
• M10: 10,476,488 km (0.104 R)
• M11: 11,191,267 km (0.104 R)
• M12: 12,946,349 km (0.091 R)
• M13: 20,839,582 km (0.118 R)
• M14: 21,885,121 km (0.099 R)
• M15: 22,712,996 km (0.075 R)
• M16: 24,873,339 km (0.057 R)
• M17: 28,903,057 km (0.099 R)
• M18: 32,169,526 km (0.102 R)
• M19: 34,774,923 km (0.063 R)
• M20: 35,673,707 km (0.089 R)
• M21: 41,644,756 km (0.066 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 12,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit