🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.58 AU - 0.72 AU

Year: 196 Days

Day: 23.5 Hours

Environment

Temp: 162 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.56 AU - 0.88 AU

Year: 229 Days

Day: 29.9 Hours

Environment

Temp: 123 °C

Axial Tilt: 27.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.29 AU - 4.13 AU

Year: 2678 Days

Day: 26.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.1

Radius: 9.4

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.89 AU - 5.77 AU

Year: 4611 Days

Day: 13.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 97,458,907 km

• M1: 118,631 km (0.056 R)
• M2: 442,211 km (0.117 R)
• M3: 1,515,726 km (0.071 R)
• M4: 1,867,131 km (0.098 R)
• M5: 2,211,505 km (0.068 R)
• M6: 2,719,540 km (0.069 R)
• M7: 3,856,035 km (0.061 R)
• M8: 4,468,937 km (0.083 R)
• M9: 5,172,646 km (0.111 R)
• M10: 5,769,691 km (0.054 R)
• M11: 6,668,774 km (0.114 R)
• M12: 7,694,417 km (0.052 R)
• M13: 10,098,754 km (0.037 R)
• M14: 10,535,879 km (0.037 R)
• M15: 11,307,953 km (0.104 R)
• M16: 12,068,509 km (0.115 R)
• M17: 13,118,088 km (0.042 R)
• M18: 13,904,224 km (0.1 R)
• M19: 15,397,959 km (0.101 R)
• M20: 22,597,656 km (0.031 R)
• M21: 23,650,227 km (0.053 R)
• M22: 25,130,348 km (0.106 R)
• M23: 25,690,891 km (0.095 R)
• M24: 27,003,612 km (0.114 R)
• M25: 27,338,562 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.8

Radius: 14.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.75 AU - 8.19 AU

Year: 7651 Days

Day: 11.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 97,458,907 km

• M1: 193,879 km (0.096 R)
• M2: 739,612 km (0.097 R)
• M3: 1,832,574 km (0.096 R)
• M4: 2,463,428 km (0.092 R)
• M5: 3,045,214 km (0.116 R)
• M6: 4,169,442 km (0.099 R)
• M7: 5,003,002 km (0.097 R)
• M8: 6,354,469 km (0.083 R)
• M9: 7,577,731 km (0.095 R)
• M10: 8,100,874 km (0.099 R)
• M11: 9,584,586 km (0.096 R)
• M12: 10,342,598 km (0.105 R)
• M13: 16,348,504 km (0.081 R)
• M14: 17,088,116 km (0.085 R)
• M15: 18,203,966 km (0.108 R)
• M16: 20,043,871 km (0.108 R)
• M17: 23,919,503 km (0.071 R)
• M18: 24,436,663 km (0.085 R)
• M19: 25,583,031 km (0.071 R)
• M20: 28,750,467 km (0.085 R)
• M21: 29,532,265 km (0.075 R)
• M22: 31,962,632 km (0.116 R)
• M23: 33,870,903 km (0.078 R)
• M24: 36,079,266 km (0.108 R)
• M25: 39,930,364 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838

Radius: 3.6

Gravity: 64.66 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 10.65 AU - 14.29 AU

Year: 16502 Days

Day: 21.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 97,458,907 km

• M1: 70,311 km (0.037 R)
• M2: 213,027 km (0.105 R)
• M3: 583,432 km (0.102 R)
• M4: 1,083,986 km (0.086 R)
• M5: 1,316,760 km (0.09 R)
• M6: 1,615,208 km (0.064 R)
• M7: 1,825,992 km (0.098 R)
• M8: 1,957,189 km (0.03 R)
• M9: 2,931,819 km (0.109 R)
• M10: 3,245,526 km (0.053 R)
• M11: 3,438,657 km (0.115 R)
• M12: 3,757,450 km (0.118 R)
• M13: 4,321,284 km (0.111 R)
• M14: 5,498,171 km (0.099 R)
• M15: 5,852,867 km (0.087 R)
• M16: 6,180,636 km (0.092 R)
• M17: 6,739,534 km (0.076 R)
• M18: 7,008,511 km (0.097 R)
• M19: 8,774,663 km (0.096 R)
• M20: 9,931,204 km (0.106 R)
• M21: 11,818,232 km (0.082 R)
• M22: 14,441,281 km (0.092 R)
• M23: 14,813,032 km (0.104 R)
• M24: 15,267,360 km (0.099 R)
• M25: 19,331,635 km (0.042 R)
• M26: 23,855,026 km (0.113 R)
• M27: 25,327,518 km (0.084 R)
• M28: 26,971,000 km (0.116 R)
• M29: 30,712,293 km (0.044 R)
• M30: 32,833,741 km (0.075 R)
• M31: 33,734,918 km (0.102 R)
• M32: 40,509,907 km (0.107 R)
• M33: 42,751,930 km (0.075 R)
• M34: 45,075,334 km (0.064 R)
• M35: 59,088,466 km (0.046 R)
• M36: 59,466,949 km (0.038 R)
• M37: 67,174,231 km (0.12 R)
• M38: 69,252,445 km (0.12 R)
• M39: 69,462,480 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.3

Radius: 3.3

Gravity: 88.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 14.98 AU - 18.34 AU

Year: 25482 Days

Day: 16.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 97,458,907 km

• M1: 40,990 km (0.111 R)
• M2: 163,660 km (0.104 R)
• M3: 568,472 km (0.102 R)
• M4: 1,459,926 km (0.106 R)
• M5: 1,925,325 km (0.099 R)
• M6: 2,055,624 km (0.076 R)
• M7: 2,937,803 km (0.088 R)
• M8: 3,200,048 km (0.102 R)
• M9: 4,634,542 km (0.12 R)
• M10: 6,991,456 km (0.075 R)
• M11: 10,435,050 km (0.038 R)
• M12: 10,838,216 km (0.055 R)
• M13: 11,533,098 km (0.071 R)
• M14: 14,036,619 km (0.09 R)
• M15: 14,280,762 km (0.109 R)
• M16: 14,945,575 km (0.092 R)
• M17: 15,543,967 km (0.097 R)
• M18: 19,073,429 km (0.112 R)
• M19: 20,186,737 km (0.111 R)
• M20: 21,023,138 km (0.074 R)
• M21: 22,100,841 km (0.06 R)
• M22: 30,693,743 km (0.091 R)
• M23: 38,349,863 km (0.08 R)
• M24: 41,771,316 km (0.085 R)
• M25: 42,445,254 km (0.113 R)
• M26: 49,588,253 km (0.106 R)
• M27: 55,848,027 km (0.101 R)
• M28: 65,512,049 km (0.104 R)
• M29: 67,108,707 km (0.065 R)
• M30: 69,434,655 km (0.115 R)
• M31: 69,906,187 km (0.108 R)
• M32: 74,246,321 km (0.092 R)
• M33: 76,985,159 km (0.054 R)
• M34: 82,927,934 km (0.094 R)
• M35: 85,604,390 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624

Radius: 7.9

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 15.49 AU - 21.97 AU

Year: 30376 Days

Day: 18.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 97,458,907 km

• M1: 101,128 km (0.115 R)
• M2: 535,560 km (0.089 R)
• M3: 1,052,421 km (0.119 R)
• M4: 1,427,463 km (0.072 R)
• M5: 5,741,267 km (0.069 R)
• M6: 6,098,507 km (0.103 R)
• M7: 7,414,968 km (0.117 R)
• M8: 8,167,745 km (0.108 R)
• M9: 9,761,560 km (0.119 R)
• M10: 16,385,156 km (0.108 R)
• M11: 24,442,946 km (0.112 R)
• M12: 34,213,631 km (0.086 R)
• M13: 37,662,760 km (0.108 R)
• M14: 38,285,386 km (0.101 R)
• M15: 47,195,136 km (0.113 R)
• M16: 79,171,232 km (0.029 R)
• M17: 88,682,216 km (0.116 R)
• M18: 93,995,783 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 10,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit