🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.61 AU

Year: 256 Days

Day: 20.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.1

Radius: 10.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.61 AU - 0.97 AU

Year: 453 Days

Day: 12.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,746,597 km

• M1: 131,347 km (0.111 R)
• M2: 462,108 km (0.094 R)
• M3: 1,005,597 km (0.054 R)
• M4: 1,389,615 km (0.079 R)
• M5: 1,730,249 km (0.072 R)
• M6: 2,507,410 km (0.047 R)
• M7: 2,885,294 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.8

Radius: 9.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.16 AU - 3.1 AU

Year: 2754 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,746,597 km

• M1: 120,277 km (0.099 R)
• M2: 506,688 km (0.12 R)
• M3: 1,175,989 km (0.059 R)
• M4: 2,423,486 km (0.075 R)
• M5: 2,905,639 km (0.061 R)
• M6: 4,100,777 km (0.085 R)
• M7: 5,047,731 km (0.089 R)
• M8: 5,788,241 km (0.114 R)
• M9: 6,652,468 km (0.057 R)
• M10: 7,284,220 km (0.118 R)
• M11: 7,600,320 km (0.116 R)
• M12: 8,352,797 km (0.033 R)
• M13: 8,699,415 km (0.075 R)
• M14: 10,041,159 km (0.091 R)
• M15: 12,467,636 km (0.086 R)
• M16: 13,642,877 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.9

Radius: 13

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.83 AU - 4.03 AU

Year: 5030 Days

Day: 6.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,746,597 km

• M1: 161,715 km (0.08 R)
• M2: 575,952 km (0.098 R)
• M3: 989,141 km (0.116 R)
• M4: 1,602,193 km (0.107 R)
• M5: 2,360,355 km (0.103 R)
• M6: 3,256,446 km (0.057 R)
• M7: 3,744,285 km (0.086 R)
• M8: 5,509,390 km (0.068 R)
• M9: 7,112,930 km (0.117 R)
• M10: 12,565,623 km (0.099 R)
• M11: 18,384,531 km (0.047 R)
• M12: 19,513,247 km (0.074 R)
• M13: 21,388,756 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.4

Radius: 10.5

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.53 AU - 4.47 AU

Year: 5165 Days

Day: 9.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,746,597 km

• M1: 189,092 km (0.066 R)
• M2: 1,735,634 km (0.11 R)
• M3: 2,073,576 km (0.027 R)
• M4: 3,158,609 km (0.104 R)
• M5: 4,182,756 km (0.1 R)
• M6: 4,825,579 km (0.119 R)
• M7: 7,048,603 km (0.115 R)
• M8: 8,073,797 km (0.118 R)
• M9: 11,598,622 km (0.076 R)
• M10: 12,553,954 km (0.115 R)
• M11: 14,506,356 km (0.065 R)
• M12: 15,376,866 km (0.057 R)
• M13: 16,841,579 km (0.04 R)
• M14: 20,761,791 km (0.12 R)
• M15: 22,243,707 km (0.096 R)
• M16: 26,425,117 km (0.117 R)
• M17: 27,722,281 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.9

Radius: 7.6

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.57 AU - 11.95 AU

Year: 21220 Days

Day: 15.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 74.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,746,597 km

• M1: 94,546 km (0.04 R)
• M2: 1,123,181 km (0.098 R)
• M3: 2,453,704 km (0.113 R)
• M4: 2,746,168 km (0.092 R)
• M5: 3,144,697 km (0.092 R)
• M6: 3,894,182 km (0.105 R)
• M7: 4,944,359 km (0.113 R)
• M8: 5,413,498 km (0.093 R)
• M9: 6,041,061 km (0.067 R)
• M10: 8,706,297 km (0.117 R)
• M11: 10,930,069 km (0.087 R)
• M12: 12,488,580 km (0.1 R)
• M13: 14,036,170 km (0.047 R)
• M14: 16,462,946 km (0.1 R)
• M15: 19,920,901 km (0.083 R)
• M16: 20,409,189 km (0.1 R)
• M17: 25,970,938 km (0.08 R)
• M18: 28,600,570 km (0.102 R)
• M19: 29,097,085 km (0.113 R)
• M20: 31,534,184 km (0.098 R)
• M21: 32,599,770 km (0.067 R)
• M22: 32,869,943 km (0.05 R)
• M23: 33,551,810 km (0.077 R)
• M24: 38,440,669 km (0.115 R)
• M25: 39,810,088 km (0.089 R)
• M26: 40,273,692 km (0.089 R)
• M27: 41,686,045 km (0.117 R)
• M28: 43,948,414 km (0.081 R)
• M29: 44,443,583 km (0.102 R)
• M30: 45,445,140 km (0.115 R)
• M31: 46,803,938 km (0.074 R)
• M32: 49,602,166 km (0.095 R)
• M33: 50,499,155 km (0.102 R)
• M34: 57,671,625 km (0.105 R)
• M35: 58,464,045 km (0.115 R)
• M36: 61,089,188 km (0.111 R)
• M37: 64,426,866 km (0.115 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: 290 - 19,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit