🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.2

Radius: 9.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.76 AU - 0.86 AU

Year: 486 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 75,394,510 km

• M1: 121,922 km (0.118 R)
• M2: 466,446 km (0.103 R)
• M3: 908,209 km (0.106 R)
• M4: 1,449,304 km (0.096 R)
• M5: 1,823,748 km (0.111 R)
• M6: 2,532,692 km (0.109 R)
• M7: 2,896,364 km (0.068 R)
• M8: 3,225,928 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 10.6

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.05 AU - 1.63 AU

Year: 1034 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,394,510 km

• M1: 131,796 km (0.058 R)
• M2: 466,446 km (0.07 R)
• M3: 883,375 km (0.109 R)
• M4: 2,244,716 km (0.053 R)
• M5: 2,631,127 km (0.106 R)
• M6: 2,966,825 km (0.037 R)
• M7: 3,316,734 km (0.109 R)
• M8: 4,464,898 km (0.118 R)
• M9: 5,627,124 km (0.104 R)
• M10: 5,990,497 km (0.109 R)
• M11: 6,460,982 km (0.105 R)
• M12: 7,527,316 km (0.091 R)
• M13: 9,136,241 km (0.086 R)
• M14: 10,573,278 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.3

Radius: 11.5

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.15 AU - 1.71 AU

Year: 1140 Days

Day: 14.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,394,510 km

• M1: 144,811 km (0.065 R)
• M2: 506,090 km (0.106 R)
• M3: 1,238,820 km (0.046 R)
• M4: 1,679,685 km (0.077 R)
• M5: 2,096,764 km (0.113 R)
• M6: 2,522,968 km (0.05 R)
• M7: 3,552,351 km (0.103 R)
• M8: 3,914,079 km (0.055 R)
• M9: 6,043,156 km (0.069 R)
• M10: 7,869,596 km (0.084 R)
• M11: 9,433,043 km (0.047 R)
• M12: 11,227,619 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.9

Radius: 8

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.59 AU - 2.19 AU

Year: 1733 Days

Day: 11.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 164.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,394,510 km

• M1: 99,782 km (0.113 R)
• M2: 389,104 km (0.118 R)
• M3: 751,729 km (0.111 R)
• M4: 1,125,126 km (0.099 R)
• M5: 1,377,796 km (0.09 R)
• M6: 1,835,117 km (0.087 R)
• M7: 2,976,698 km (0.084 R)
• M8: 3,742,789 km (0.11 R)
• M9: 4,374,691 km (0.103 R)
• M10: 4,840,987 km (0.027 R)
• M11: 5,385,075 km (0.032 R)
• M12: 5,969,254 km (0.045 R)
• M13: 6,390,073 km (0.106 R)
• M14: 6,751,502 km (0.065 R)
• M15: 7,208,523 km (0.099 R)
• M16: 7,830,401 km (0.097 R)
• M17: 8,095,040 km (0.088 R)
• M18: 8,518,402 km (0.053 R)
• M19: 9,809,880 km (0.087 R)
• M20: 11,792,052 km (0.07 R)
• M21: 13,643,625 km (0.073 R)
• M22: 14,287,045 km (0.117 R)
• M23: 14,771,743 km (0.112 R)
• M24: 15,176,405 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.3

Radius: 11.3

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.27 AU - 2.69 AU

Year: 2604 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,394,510 km

• M1: 145,858 km (0.104 R)
• M2: 499,806 km (0.108 R)
• M3: 1,449,603 km (0.083 R)
• M4: 1,904,530 km (0.076 R)
• M5: 2,259,825 km (0.067 R)
• M6: 3,060,623 km (0.088 R)
• M7: 3,618,473 km (0.061 R)
• M8: 4,027,175 km (0.027 R)
• M9: 5,944,870 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.1

Radius: 4.9

Gravity: 38.82 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.58 AU - 8.38 AU

Year: 15033 Days

Day: 19 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,394,510 km

• M1: 61,485 km (0.111 R)
• M2: 453,730 km (0.104 R)
• M3: 930,499 km (0.078 R)
• M4: 2,385,936 km (0.112 R)
• M5: 4,223,896 km (0.12 R)
• M6: 4,418,373 km (0.089 R)
• M7: 5,597,952 km (0.046 R)
• M8: 6,239,278 km (0.042 R)
• M9: 6,534,734 km (0.081 R)
• M10: 8,204,097 km (0.081 R)
• M11: 8,766,136 km (0.115 R)
• M12: 11,334,432 km (0.065 R)
• M13: 13,719,172 km (0.079 R)
• M14: 15,946,086 km (0.066 R)
• M15: 16,738,805 km (0.082 R)
• M16: 19,810,797 km (0.081 R)
• M17: 28,973,218 km (0.094 R)
• M18: 35,985,319 km (0.086 R)
• M19: 38,458,920 km (0.111 R)
• M20: 52,367,782 km (0.073 R)
• M21: 54,289,815 km (0.107 R)
• M22: 55,000,256 km (0.084 R)
• M23: 57,719,496 km (0.097 R)
• M24: 61,290,846 km (0.1 R)
• M25: 63,620,683 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.8

Radius: 4.9

Gravity: 37.27 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.69 AU - 8.81 AU

Year: 17260 Days

Day: 25 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,394,510 km

• M1: 60,886 km (0.097 R)
• M2: 330,761 km (0.076 R)
• M3: 654,640 km (0.117 R)
• M4: 1,209,948 km (0.068 R)
• M5: 1,936,544 km (0.086 R)
• M6: 2,348,986 km (0.102 R)
• M7: 3,546,517 km (0.072 R)
• M8: 4,564,081 km (0.071 R)
• M9: 4,810,320 km (0.095 R)
• M10: 6,050,486 km (0.092 R)
• M11: 9,648,165 km (0.074 R)
• M12: 10,776,133 km (0.107 R)
• M13: 11,923,249 km (0.095 R)
• M14: 14,159,588 km (0.025 R)
• M15: 18,808,342 km (0.075 R)
• M16: 20,845,117 km (0.055 R)
• M17: 21,133,691 km (0.053 R)
• M18: 23,126,784 km (0.091 R)
• M19: 25,679,522 km (0.09 R)
• M20: 26,011,180 km (0.096 R)
• M21: 26,458,029 km (0.057 R)
• M22: 28,650,236 km (0.083 R)
• M23: 31,336,565 km (0.097 R)
• M24: 35,127,525 km (0.103 R)
• M25: 35,399,793 km (0.064 R)
• M26: 37,770,321 km (0.106 R)
• M27: 41,294,248 km (0.119 R)
• M28: 44,711,512 km (0.114 R)
• M29: 46,981,361 km (0.11 R)
• M30: 48,817,974 km (0.025 R)
• M31: 49,839,578 km (0.104 R)
• M32: 61,047,749 km (0.107 R)
• M33: 65,881,556 km (0.08 R)
• M34: 69,028,646 km (0.108 R)
• M35: 72,274,621 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 18,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit