🌌 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 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.3

Radius: 10.3

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.48 AU - 0.74 AU

Year: 318 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,742,304 km

• M1: 139,575 km (0.05 R)
• M2: 605,273 km (0.108 R)
• M3: 974,630 km (0.103 R)
• M4: 1,616,405 km (0.084 R)
• M5: 2,036,775 km (0.103 R)
• M6: 2,382,346 km (0.053 R)
• M7: 2,999,886 km (0.052 R)
• M8: 3,744,435 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 13.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.51 AU - 0.83 AU

Year: 366 Days

Day: 14.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,742,304 km

• M1: 163,810 km (0.103 R)
• M2: 596,297 km (0.116 R)
• M3: 1,061,546 km (0.094 R)
• M4: 1,683,425 km (0.118 R)
• M5: 2,224,221 km (0.112 R)
• M6: 3,472,316 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.1

Radius: 10.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.15 AU - 1.61 AU

Year: 1081 Days

Day: 10.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,742,304 km

• M1: 126,859 km (0.105 R)
• M2: 449,242 km (0.059 R)
• M3: 882,328 km (0.088 R)
• M4: 1,218,475 km (0.102 R)
• M5: 1,559,558 km (0.12 R)
• M6: 2,132,368 km (0.1 R)
• M7: 2,766,813 km (0.078 R)
• M8: 3,957,462 km (0.056 R)
• M9: 4,650,250 km (0.08 R)
• M10: 5,717,780 km (0.055 R)
• M11: 6,384,538 km (0.085 R)
• M12: 7,219,444 km (0.031 R)
• M13: 8,279,195 km (0.085 R)
• M14: 8,672,338 km (0.112 R)
• M15: 9,132,950 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306

Radius: 14.3

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.6 AU - 3.38 AU

Year: 3448 Days

Day: 14.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,742,304 km

• M1: 186,997 km (0.028 R)
• M2: 778,956 km (0.088 R)
• M3: 1,606,083 km (0.075 R)
• M4: 2,225,568 km (0.073 R)
• M5: 2,700,541 km (0.099 R)
• M6: 3,622,512 km (0.036 R)
• M7: 4,069,660 km (0.072 R)
• M8: 6,535,482 km (0.106 R)
• M9: 7,347,948 km (0.093 R)
• M10: 8,164,154 km (0.069 R)
• M11: 9,799,109 km (0.103 R)
• M12: 10,488,756 km (0.082 R)
• M13: 12,169,338 km (0.116 R)
• M14: 13,933,097 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.6

Radius: 13.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.68 AU - 3.72 AU

Year: 3817 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,742,304 km

• M1: 172,935 km (0.083 R)
• M2: 720,463 km (0.035 R)
• M3: 1,240,166 km (0.118 R)
• M4: 1,755,980 km (0.051 R)
• M5: 2,357,513 km (0.12 R)
• M6: 4,884,670 km (0.083 R)
• M7: 7,944,245 km (0.11 R)
• M8: 9,300,200 km (0.083 R)
• M9: 9,915,347 km (0.101 R)
• M10: 10,475,740 km (0.074 R)
• M11: 10,930,817 km (0.117 R)
• M12: 11,880,913 km (0.056 R)
• M13: 14,803,756 km (0.087 R)
• M14: 15,536,936 km (0.037 R)
• M15: 16,570,507 km (0.118 R)
• M16: 19,759,036 km (0.1 R)
• M17: 21,964,558 km (0.062 R)
• M18: 23,196,496 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.8

Radius: 3

Gravity: 53.76 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.79 AU - 6.75 AU

Year: 9243 Days

Day: 20.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,742,304 km

• M1: 38,447 km (0.031 R)
• M2: 168,447 km (0.097 R)
• M3: 293,511 km (0.109 R)
• M4: 555,756 km (0.116 R)
• M5: 1,465,311 km (0.073 R)
• M6: 1,656,048 km (0.087 R)
• M7: 1,941,032 km (0.08 R)
• M8: 2,588,492 km (0.108 R)
• M9: 6,880,604 km (0.092 R)
• M10: 8,055,845 km (0.045 R)
• M11: 8,475,467 km (0.079 R)
• M12: 9,358,394 km (0.1 R)
• M13: 13,857,700 km (0.105 R)
• M14: 14,953,055 km (0.111 R)
• M15: 18,800,712 km (0.075 R)
• M16: 22,842,099 km (0.072 R)
• M17: 25,596,644 km (0.098 R)
• M18: 26,046,036 km (0.102 R)
• M19: 26,684,071 km (0.082 R)
• M20: 30,531,130 km (0.1 R)
• M21: 32,481,288 km (0.072 R)
• M22: 33,220,302 km (0.053 R)
• M23: 33,326,666 km (0.111 R)
• M24: 34,186,704 km (0.094 R)
• M25: 35,393,061 km (0.065 R)
• M26: 36,741,237 km (0.111 R)
• M27: 40,260,677 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.4

Radius: 5.8

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.4 AU - 6.64 AU

Year: 11102 Days

Day: 16.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 166.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,742,304 km

• M1: 77,641 km (0.113 R)
• M2: 447,447 km (0.034 R)
• M3: 876,943 km (0.114 R)
• M4: 2,863,004 km (0.092 R)
• M5: 3,381,211 km (0.11 R)
• M6: 6,030,290 km (0.119 R)
• M7: 8,649,749 km (0.093 R)
• M8: 9,177,231 km (0.109 R)
• M9: 10,385,832 km (0.057 R)
• M10: 12,957,719 km (0.099 R)
• M11: 15,568,501 km (0.04 R)
• M12: 15,805,613 km (0.103 R)
• M13: 27,569,840 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 14,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit