🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 8

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.81 AU - 0.89 AU

Year: 532 Days

Day: 12.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,134,134 km

• M1: 99,483 km (0.079 R)
• M2: 351,256 km (0.091 R)
• M3: 806,632 km (0.1 R)
• M4: 1,144,873 km (0.05 R)
• M5: 1,454,241 km (0.066 R)
• M6: 1,852,171 km (0.118 R)
• M7: 2,104,692 km (0.081 R)
• M8: 2,800,472 km (0.086 R)
• M9: 3,432,673 km (0.053 R)
• M10: 3,927,842 km (0.115 R)
• M11: 4,454,426 km (0.082 R)
• M12: 4,977,869 km (0.102 R)
• M13: 5,453,441 km (0.088 R)
• M14: 6,015,031 km (0.047 R)
• M15: 6,475,793 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300

Radius: 11.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.86 AU - 1.32 AU

Year: 772 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,134,134 km

• M1: 146,905 km (0.115 R)
• M2: 588,219 km (0.107 R)
• M3: 972,835 km (0.079 R)
• M4: 1,418,637 km (0.108 R)
• M5: 2,131,022 km (0.044 R)
• M6: 3,475,009 km (0.105 R)
• M7: 3,970,926 km (0.106 R)
• M8: 4,351,652 km (0.067 R)
• M9: 5,403,774 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.1

Radius: 10.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.95 AU - 1.29 AU

Year: 804 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,134,134 km

• M1: 133,292 km (0.118 R)
• M2: 596,596 km (0.056 R)
• M3: 1,082,939 km (0.109 R)
• M4: 1,449,603 km (0.111 R)
• M5: 2,115,314 km (0.034 R)
• M6: 2,578,319 km (0.09 R)
• M7: 2,984,478 km (0.1 R)
• M8: 3,489,819 km (0.07 R)
• M9: 3,902,560 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 14.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.28 AU - 1.36 AU

Year: 1029 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,134,134 km

• M1: 185,352 km (0.072 R)
• M2: 724,353 km (0.082 R)
• M3: 2,639,954 km (0.068 R)
• M4: 3,132,131 km (0.114 R)
• M5: 4,220,006 km (0.117 R)
• M6: 6,432,110 km (0.096 R)
• M7: 7,409,283 km (0.068 R)
• M8: 8,320,035 km (0.118 R)
• M9: 9,450,995 km (0.113 R)
• M10: 10,053,725 km (0.089 R)
• M11: 10,650,022 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.6

Radius: 11.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.76 AU - 3.34 AU

Year: 3613 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,134,134 km

• M1: 148,251 km (0.095 R)
• M2: 556,205 km (0.078 R)
• M3: 1,237,922 km (0.114 R)
• M4: 1,822,401 km (0.113 R)
• M5: 2,309,791 km (0.082 R)
• M6: 2,815,282 km (0.089 R)
• M7: 3,374,778 km (0.071 R)
• M8: 4,051,110 km (0.106 R)
• M9: 5,403,924 km (0.109 R)
• M10: 5,812,924 km (0.072 R)
• M11: 6,331,131 km (0.083 R)
• M12: 6,817,474 km (0.066 R)
• M13: 7,728,675 km (0.088 R)
• M14: 8,284,880 km (0.027 R)
• M15: 10,156,050 km (0.097 R)
• M16: 10,995,443 km (0.098 R)
• M17: 11,789,958 km (0.113 R)
• M18: 12,669,743 km (0.104 R)
• M19: 13,053,013 km (0.06 R)
• M20: 14,927,624 km (0.09 R)
• M21: 16,975,618 km (0.095 R)
• M22: 18,400,239 km (0.081 R)
• M23: 18,954,499 km (0.111 R)
• M24: 20,291,306 km (0.088 R)
• M25: 22,587,483 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.6

Radius: 14.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.95 AU - 4.99 AU

Year: 6410 Days

Day: 5.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,134,134 km

• M1: 181,612 km (0.119 R)
• M2: 1,229,096 km (0.067 R)
• M3: 1,711,250 km (0.092 R)
• M4: 2,584,004 km (0.073 R)
• M5: 3,300,428 km (0.12 R)
• M6: 4,328,315 km (0.077 R)
• M7: 4,879,883 km (0.088 R)
• M8: 6,392,915 km (0.096 R)
• M9: 7,574,589 km (0.116 R)
• M10: 8,488,931 km (0.08 R)
• M11: 9,754,080 km (0.083 R)
• M12: 11,452,315 km (0.045 R)
• M13: 14,047,689 km (0.1 R)
• M14: 15,482,931 km (0.096 R)
• M15: 19,400,600 km (0.107 R)
• M16: 21,382,622 km (0.115 R)
• M17: 22,352,465 km (0.062 R)
• M18: 24,754,558 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.9

Radius: 8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.22 AU - 11.14 AU

Year: 18865 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,134,134 km

• M1: 99,632 km (0.119 R)
• M2: 642,523 km (0.102 R)
• M3: 969,095 km (0.112 R)
• M4: 1,806,843 km (0.097 R)
• M5: 2,063,403 km (0.102 R)
• M6: 4,156,726 km (0.12 R)
• M7: 6,040,313 km (0.034 R)
• M8: 8,084,718 km (0.113 R)
• M9: 11,702,742 km (0.092 R)
• M10: 12,406,451 km (0.102 R)
• M11: 12,669,294 km (0.102 R)
• M12: 14,039,311 km (0.062 R)
• M13: 16,197,560 km (0.082 R)
• M14: 18,312,425 km (0.101 R)
• M15: 20,240,442 km (0.071 R)
• M16: 23,082,203 km (0.113 R)
• M17: 27,603,500 km (0.11 R)
• M18: 29,194,324 km (0.037 R)
• M19: 31,086,138 km (0.104 R)
• M20: 33,946,599 km (0.099 R)
• M21: 38,628,863 km (0.052 R)
• M22: 40,328,594 km (0.1 R)
• M23: 43,724,316 km (0.095 R)
• M24: 45,413,874 km (0.072 R)
• M25: 48,433,807 km (0.108 R)
• M26: 57,378,712 km (0.089 R)
• M27: 59,030,871 km (0.112 R)
• M28: 63,396,885 km (0.036 R)
• M29: 64,767,201 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.2

Radius: 6.1

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.02 AU - 11.1 AU

Year: 21642 Days

Day: 15.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,134,134 km

• M1: 75,846 km (0.097 R)
• M2: 334,202 km (0.12 R)
• M3: 676,631 km (0.054 R)
• M4: 1,489,995 km (0.062 R)
• M5: 3,117,021 km (0.058 R)
• M6: 3,348,300 km (0.079 R)
• M7: 4,358,684 km (0.1 R)
• M8: 6,919,650 km (0.107 R)
• M9: 8,053,153 km (0.042 R)
• M10: 8,638,978 km (0.095 R)
• M11: 8,993,674 km (0.07 R)
• M12: 9,786,244 km (0.075 R)
• M13: 12,443,102 km (0.077 R)
• M14: 13,696,433 km (0.106 R)
• M15: 23,907,685 km (0.095 R)
• M16: 24,106,051 km (0.069 R)
• M17: 34,844,186 km (0.064 R)
• M18: 42,465,001 km (0.108 R)
• M19: 45,435,117 km (0.052 R)
• M20: 49,821,776 km (0.087 R)
• M21: 54,826,273 km (0.119 R)
• M22: 59,789,931 km (0.117 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: 157 - 17,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit