🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254

Radius: 9.1

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.58 AU - 0.94 AU

Year: 457 Days

Day: 13.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,231,254 km

• M1: 113,246 km (0.04 R)
• M2: 411,095 km (0.057 R)
• M3: 834,906 km (0.045 R)
• M4: 1,269,936 km (0.068 R)
• M5: 1,741,469 km (0.033 R)
• M6: 2,072,080 km (0.114 R)
• M7: 2,385,039 km (0.087 R)
• M8: 2,909,529 km (0.079 R)
• M9: 3,620,418 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.9

Radius: 14.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.98 AU - 1.62 AU

Year: 1023 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 143 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,231,254 km

• M1: 180,864 km (0.083 R)
• M2: 642,373 km (0.114 R)
• M3: 1,105,827 km (0.104 R)
• M4: 1,937,891 km (0.109 R)
• M5: 2,612,727 km (0.079 R)
• M6: 3,120,312 km (0.102 R)
• M7: 4,312,757 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 15

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.46 AU - 1.68 AU

Year: 1358 Days

Day: 9.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,231,254 km

• M1: 186,549 km (0.113 R)
• M2: 660,325 km (0.101 R)
• M3: 1,211,444 km (0.11 R)
• M4: 1,707,360 km (0.112 R)
• M5: 2,628,435 km (0.092 R)
• M6: 3,453,317 km (0.102 R)
• M7: 4,518,155 km (0.113 R)
• M8: 5,494,879 km (0.08 R)
• M9: 6,100,900 km (0.091 R)
• M10: 7,193,862 km (0.071 R)
• M11: 8,639,576 km (0.109 R)
• M12: 11,781,880 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915

Radius: 10.9

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.7 AU - 1.74 AU

Year: 1557 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,231,254 km

• M1: 135,536 km (0.101 R)
• M2: 608,863 km (0.116 R)
• M3: 979,716 km (0.058 R)
• M4: 1,399,338 km (0.048 R)
• M5: 1,906,176 km (0.082 R)
• M6: 2,866,744 km (0.115 R)
• M7: 3,522,282 km (0.077 R)
• M8: 4,086,565 km (0.033 R)
• M9: 4,528,776 km (0.112 R)
• M10: 5,219,021 km (0.072 R)
• M11: 5,764,156 km (0.089 R)
• M12: 7,601,666 km (0.12 R)
• M13: 11,396,964 km (0.109 R)
• M14: 12,315,794 km (0.117 R)
• M15: 14,828,739 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 10.7

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.88 AU - 2.1 AU

Year: 1938 Days

Day: 11.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,231,254 km

• M1: 133,142 km (0.062 R)
• M2: 499,507 km (0.087 R)
• M3: 1,008,888 km (0.062 R)
• M4: 1,378,993 km (0.113 R)
• M5: 1,863,241 km (0.077 R)
• M6: 2,351,529 km (0.101 R)
• M7: 2,970,415 km (0.065 R)
• M8: 3,395,423 km (0.099 R)
• M9: 3,898,371 km (0.059 R)
• M10: 4,533,414 km (0.103 R)
• M11: 5,144,521 km (0.109 R)
• M12: 5,590,024 km (0.08 R)
• M13: 5,934,548 km (0.099 R)
• M14: 6,424,929 km (0.055 R)
• M15: 7,082,861 km (0.093 R)
• M16: 9,226,449 km (0.066 R)
• M17: 10,838,216 km (0.069 R)
• M18: 12,093,492 km (0.064 R)
• M19: 12,630,099 km (0.111 R)
• M20: 13,840,047 km (0.069 R)
• M21: 14,890,523 km (0.115 R)
• M22: 16,893,639 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.9

Radius: 3.8

Gravity: 66.68 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.02 AU - 7.6 AU

Year: 10941 Days

Day: 18.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 40,231,254 km

• M1: 47,273 km (0.112 R)
• M2: 228,137 km (0.073 R)
• M3: 357,838 km (0.091 R)
• M4: 530,923 km (0.081 R)
• M5: 653,892 km (0.05 R)
• M6: 1,083,537 km (0.1 R)
• M7: 1,324,689 km (0.092 R)
• M8: 1,827,787 km (0.111 R)
• M9: 2,227,512 km (0.09 R)
• M10: 2,345,994 km (0.102 R)
• M11: 2,639,056 km (0.105 R)
• M12: 3,123,903 km (0.107 R)
• M13: 3,323,466 km (0.06 R)
• M14: 4,608,063 km (0.062 R)
• M15: 5,307,732 km (0.105 R)
• M16: 6,465,919 km (0.115 R)
• M17: 6,872,975 km (0.104 R)
• M18: 7,692,921 km (0.063 R)
• M19: 9,628,568 km (0.107 R)
• M20: 9,891,262 km (0.061 R)
• M21: 10,104,887 km (0.055 R)
• M22: 11,628,093 km (0.064 R)
• M23: 15,691,171 km (0.118 R)
• M24: 16,128,446 km (0.12 R)
• M25: 17,879,938 km (0.063 R)
• M26: 18,196,935 km (0.081 R)
• M27: 20,178,210 km (0.083 R)
• M28: 21,044,680 km (0.04 R)
• M29: 24,563,222 km (0.101 R)
• M30: 30,208,747 km (0.101 R)
• M31: 33,810,615 km (0.059 R)
• M32: 36,406,587 km (0.045 R)
• M33: 37,300,733 km (0.119 R)
• M34: 40,613,129 km (0.083 R)
• M35: 44,840,466 km (0.111 R)
• M36: 48,273,139 km (0.101 R)
• M37: 50,920,123 km (0.088 R)
• M38: 53,008,360 km (0.088 R)
• M39: 56,331,228 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.8

Radius: 5.4

Gravity: 28.32 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.42 AU - 6.42 AU

Year: 11228 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,231,254 km

• M1: 67,169 km (0.086 R)
• M2: 238,459 km (0.046 R)
• M3: 456,722 km (0.057 R)
• M4: 629,657 km (0.107 R)
• M5: 1,034,619 km (0.12 R)
• M6: 1,381,985 km (0.108 R)
• M7: 1,598,304 km (0.119 R)
• M8: 2,467,916 km (0.065 R)
• M9: 2,721,784 km (0.102 R)
• M10: 2,993,154 km (0.1 R)
• M11: 3,382,857 km (0.113 R)
• M12: 3,916,622 km (0.073 R)
• M13: 4,820,193 km (0.118 R)
• M14: 5,459,873 km (0.057 R)
• M15: 6,582,755 km (0.059 R)
• M16: 6,824,505 km (0.114 R)
• M17: 7,030,502 km (0.06 R)
• M18: 10,586,144 km (0.118 R)
• M19: 14,028,241 km (0.041 R)
• M20: 14,700,384 km (0.105 R)
• M21: 15,183,585 km (0.1 R)
• M22: 15,393,770 km (0.077 R)
• M23: 16,845,618 km (0.028 R)
• M24: 34,350,364 km (0.096 R)
• M25: 34,956,086 km (0.063 R)
• M26: 36,564,113 km (0.117 R)
• M27: 40,866,548 km (0.066 R)
• M28: 43,914,904 km (0.1 R)
• M29: 48,918,653 km (0.088 R)
• M30: 49,839,428 km (0.113 R)
• M31: 50,459,661 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.6

Radius: 6.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.59 AU - 12.49 AU

Year: 23620 Days

Day: 16.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,231,254 km

• M1: 84,074 km (0.086 R)
• M2: 353,201 km (0.079 R)
• M3: 651,050 km (0.114 R)
• M4: 917,035 km (0.08 R)
• M5: 1,605,036 km (0.117 R)
• M6: 2,115,763 km (0.061 R)
• M7: 2,427,225 km (0.115 R)
• M8: 3,692,075 km (0.115 R)
• M9: 4,144,908 km (0.11 R)
• M10: 5,858,701 km (0.102 R)
• M11: 7,875,281 km (0.073 R)
• M12: 11,835,884 km (0.103 R)
• M13: 12,320,432 km (0.119 R)
• M14: 13,386,466 km (0.08 R)
• M15: 17,706,554 km (0.111 R)
• M16: 18,340,250 km (0.104 R)
• M17: 18,554,774 km (0.09 R)
• M18: 20,179,406 km (0.094 R)
• M19: 21,261,298 km (0.077 R)
• M20: 29,644,464 km (0.037 R)
• M21: 31,550,041 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 13,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit