🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.1

Radius: 10.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.66 AU - 0.94 AU

Year: 494 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,898,318 km

• M1: 135,685 km (0.068 R)
• M2: 527,931 km (0.11 R)
• M3: 1,101,938 km (0.095 R)
• M4: 1,744,162 km (0.044 R)
• M5: 2,125,636 km (0.091 R)
• M6: 2,592,382 km (0.105 R)
• M7: 3,104,605 km (0.059 R)
• M8: 3,462,892 km (0.072 R)
• M9: 3,926,795 km (0.093 R)
• M10: 4,333,252 km (0.104 R)
• M11: 4,737,765 km (0.073 R)
• M12: 5,215,131 km (0.079 R)
• M13: 5,623,234 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 13.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.87 AU - 1.33 AU

Year: 796 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,898,318 km

• M1: 172,935 km (0.059 R)
• M2: 714,330 km (0.093 R)
• M3: 1,339,948 km (0.101 R)
• M4: 1,871,170 km (0.097 R)
• M5: 2,743,775 km (0.034 R)
• M6: 3,672,927 km (0.081 R)
• M7: 4,751,976 km (0.096 R)
• M8: 5,347,825 km (0.109 R)
• M9: 6,273,836 km (0.097 R)
• M10: 6,711,409 km (0.044 R)
• M11: 8,569,714 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 9.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.24 AU - 1.98 AU

Year: 1410 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,898,318 km

• M1: 118,182 km (0.094 R)
• M2: 449,990 km (0.099 R)
• M3: 881,131 km (0.056 R)
• M4: 1,189,752 km (0.119 R)
• M5: 1,518,867 km (0.086 R)
• M6: 1,858,155 km (0.116 R)
• M7: 2,259,975 km (0.118 R)
• M8: 2,964,731 km (0.099 R)
• M9: 3,391,833 km (0.083 R)
• M10: 4,048,118 km (0.098 R)
• M11: 4,689,594 km (0.051 R)
• M12: 5,744,109 km (0.058 R)
• M13: 6,627,186 km (0.094 R)
• M14: 7,386,245 km (0.039 R)
• M15: 8,315,398 km (0.036 R)
• M16: 8,778,702 km (0.064 R)
• M17: 10,045,048 km (0.108 R)
• M18: 10,738,883 km (0.068 R)
• M19: 11,045,858 km (0.072 R)
• M20: 12,259,097 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.4

Radius: 12.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.41 AU - 1.83 AU

Year: 1423 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,898,318 km

• M1: 151,842 km (0.039 R)
• M2: 711,188 km (0.07 R)
• M3: 1,667,717 km (0.056 R)
• M4: 2,572,784 km (0.069 R)
• M5: 3,266,918 km (0.079 R)
• M6: 4,644,864 km (0.088 R)
• M7: 5,316,858 km (0.094 R)
• M8: 6,808,947 km (0.063 R)
• M9: 7,828,905 km (0.11 R)
• M10: 8,672,488 km (0.083 R)
• M11: 9,088,220 km (0.112 R)
• M12: 10,262,713 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 14.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.16 AU - 4.04 AU

Year: 4715 Days

Day: 6.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,898,318 km

• M1: 175,927 km (0.06 R)
• M2: 614,997 km (0.074 R)
• M3: 1,156,541 km (0.112 R)
• M4: 1,966,763 km (0.115 R)
• M5: 3,030,554 km (0.118 R)
• M6: 3,868,451 km (0.084 R)
• M7: 5,766,549 km (0.116 R)
• M8: 7,588,651 km (0.049 R)
• M9: 8,606,216 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.8

Radius: 3.9

Gravity: 61.33 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 6.05 AU - 7.23 AU

Year: 11810 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,898,318 km

• M1: 48,619 km (0.11 R)
• M2: 265,087 km (0.109 R)
• M3: 400,174 km (0.117 R)
• M4: 566,976 km (0.108 R)
• M5: 1,164,919 km (0.113 R)
• M6: 1,571,226 km (0.101 R)
• M7: 2,122,495 km (0.112 R)
• M8: 3,328,852 km (0.113 R)
• M9: 3,988,728 km (0.061 R)
• M10: 4,136,381 km (0.047 R)
• M11: 4,797,305 km (0.077 R)
• M12: 7,112,481 km (0.05 R)
• M13: 7,286,164 km (0.108 R)
• M14: 9,492,434 km (0.059 R)
• M15: 11,862,363 km (0.12 R)
• M16: 12,168,440 km (0.113 R)
• M17: 12,417,072 km (0.029 R)
• M18: 13,118,088 km (0.059 R)
• M19: 14,321,752 km (0.049 R)
• M20: 16,564,075 km (0.028 R)
• M21: 17,023,490 km (0.065 R)
• M22: 22,187,159 km (0.083 R)
• M23: 23,696,153 km (0.115 R)
• M24: 24,475,558 km (0.101 R)
• M25: 24,871,693 km (0.094 R)
• M26: 27,127,031 km (0.098 R)
• M27: 33,353,892 km (0.062 R)
• M28: 34,085,875 km (0.115 R)
• M29: 36,217,944 km (0.079 R)
• M30: 36,603,158 km (0.092 R)
• M31: 39,647,774 km (0.085 R)
• M32: 42,428,948 km (0.057 R)
• M33: 48,843,106 km (0.079 R)
• M34: 50,103,618 km (0.06 R)
• M35: 52,197,988 km (0.075 R)
• M36: 52,853,975 km (0.116 R)
• M37: 53,349,443 km (0.105 R)
• M38: 55,023,742 km (0.112 R)
• M39: 59,006,786 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.4

Radius: 6.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.59 AU - 7.71 AU

Year: 13197 Days

Day: 19.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,898,318 km

• M1: 80,334 km (0.115 R)
• M2: 544,536 km (0.115 R)
• M3: 853,007 km (0.094 R)
• M4: 1,263,204 km (0.107 R)
• M5: 3,644,354 km (0.095 R)
• M6: 4,556,602 km (0.029 R)
• M7: 5,977,333 km (0.101 R)
• M8: 8,666,653 km (0.118 R)
• M9: 9,113,053 km (0.025 R)
• M10: 9,362,882 km (0.101 R)
• M11: 11,821,972 km (0.105 R)
• M12: 12,169,338 km (0.066 R)
• M13: 12,574,599 km (0.098 R)
• M14: 12,988,985 km (0.118 R)
• M15: 13,252,427 km (0.104 R)
• M16: 13,681,473 km (0.059 R)
• M17: 14,175,296 km (0.114 R)
• M18: 15,490,860 km (0.116 R)
• M19: 16,948,392 km (0.073 R)
• M20: 17,263,145 km (0.099 R)
• M21: 19,645,940 km (0.036 R)
• M22: 20,274,102 km (0.086 R)
• M23: 23,539,674 km (0.093 R)
• M24: 28,269,360 km (0.119 R)
• M25: 29,249,675 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.8

Radius: 4.4

Gravity: 34.7 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.27 AU - 11.17 AU

Year: 22552 Days

Day: 17.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,898,318 km

• M1: 59,989 km (0.081 R)
• M2: 478,414 km (0.115 R)
• M3: 845,677 km (0.077 R)
• M4: 1,089,970 km (0.093 R)
• M5: 1,288,038 km (0.111 R)
• M6: 1,595,162 km (0.058 R)
• M7: 2,071,482 km (0.039 R)
• M8: 2,264,463 km (0.12 R)
• M9: 2,540,471 km (0.109 R)
• M10: 2,838,470 km (0.098 R)
• M11: 3,654,826 km (0.084 R)
• M12: 4,725,198 km (0.1 R)
• M13: 5,862,142 km (0.096 R)
• M14: 7,713,416 km (0.076 R)
• M15: 8,073,049 km (0.119 R)
• M16: 8,881,626 km (0.097 R)
• M17: 10,470,355 km (0.05 R)
• M18: 12,942,161 km (0.031 R)
• M19: 13,597,250 km (0.067 R)
• M20: 15,695,210 km (0.112 R)
• M21: 17,556,806 km (0.079 R)
• M22: 18,088,926 km (0.099 R)
• M23: 28,611,042 km (0.07 R)
• M24: 30,222,360 km (0.069 R)
• M25: 33,354,341 km (0.114 R)
• M26: 34,582,540 km (0.058 R)
• M27: 35,699,138 km (0.073 R)
• M28: 38,299,299 km (0.096 R)
• M29: 43,228,399 km (0.054 R)
• M30: 43,711,002 km (0.111 R)
• M31: 44,360,257 km (0.086 R)
• M32: 52,293,581 km (0.055 R)
• M33: 53,208,971 km (0.066 R)
• M34: 53,578,178 km (0.068 R)
• M35: 59,718,722 km (0.079 R)
• M36: 64,620,296 km (0.108 R)
• M37: 72,013,124 km (0.039 R)
• M38: 75,214,219 km (0.115 R)
• M39: 76,849,623 km (0.108 R)
• M40: 77,085,240 km (0.086 R)
• M41: 78,508,813 km (0.112 R)
• M42: 79,227,032 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 12,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit