🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.45 AU - 0.57 AU

Year: 130 Days

Day: 19.8 Hours

Environment

Temp: 244 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,044,295 km

• M1: 246,687 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.52 AU - 0.58 AU

Year: 145 Days

Day: 28.7 Hours

Environment

Temp: 263 °C

Axial Tilt: 46 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.53 AU - 0.71 AU

Year: 174 Days

Day: 38.8 Hours

Environment

Temp: 191 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 23,044,295 km

• M1: 71,807 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.61 AU - 4.33 AU

Year: 2304 Days

Day: 40 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.01 AU - 5.37 AU

Year: 3620 Days

Day: 17.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 11.9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.23 AU - 7.55 AU

Year: 5758 Days

Day: 13.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 23,044,295 km

• M1: 232,325 km (0.119 R)
• M2: 537,056 km (0.078 R)
• M3: 667,954 km (0.106 R)
• M4: 940,372 km (0.081 R)
• M5: 1,221,616 km (0.084 R)
• M6: 1,429,108 km (0.071 R)
• M7: 1,863,391 km (0.089 R)
• M8: 1,942,528 km (0.106 R)
• M9: 2,170,067 km (0.074 R)
• M10: 2,758,884 km (0.098 R)
• M11: 3,015,594 km (0.09 R)
• M12: 3,146,941 km (0.118 R)
• M13: 3,261,084 km (0.103 R)
• M14: 3,415,469 km (0.106 R)
• M15: 3,651,534 km (0.117 R)
• M16: 4,307,521 km (0.107 R)
• M17: 4,714,427 km (0.103 R)
• M18: 4,889,457 km (0.049 R)
• M19: 4,977,869 km (0.104 R)
• M20: 5,890,566 km (0.11 R)
• M21: 6,055,722 km (0.096 R)
• M22: 6,342,202 km (0.118 R)
• M23: 7,028,258 km (0.114 R)
• M24: 7,128,189 km (0.079 R)
• M25: 7,279,133 km (0.105 R)
• M26: 7,763,681 km (0.072 R)
• M27: 7,971,023 km (0.093 R)
• M28: 8,206,341 km (0.089 R)
• M29: 8,285,328 km (0.079 R)
• M30: 8,657,079 km (0.092 R)
• M31: 8,845,124 km (0.082 R)
• M32: 9,034,515 km (0.109 R)
• M33: 9,638,441 km (0.093 R)
• M34: 10,114,013 km (0.113 R)
• M35: 10,312,080 km (0.094 R)
• M36: 10,511,494 km (0.114 R)
• M37: 10,712,105 km (0.071 R)
• M38: 11,000,979 km (0.112 R)
• M39: 11,088,194 km (0.092 R)
• M40: 12,002,536 km (0.065 R)
• M41: 12,122,215 km (0.105 R)
• M42: 12,574,898 km (0.11 R)
• M43: 12,818,443 km (0.063 R)
• M44: 13,032,966 km (0.1 R)
• M45: 13,156,086 km (0.068 R)
• M46: 13,652,451 km (0.042 R)
• M47: 13,840,047 km (0.048 R)
• M48: 14,408,369 km (0.113 R)
• M49: 14,663,434 km (0.101 R)
• M50: 14,952,008 km (0.108 R)
• M51: 15,048,798 km (0.092 R)
• M52: 15,404,841 km (0.075 R)
• M53: 15,600,365 km (0.101 R)
• M54: 16,224,787 km (0.105 R)
• M55: 17,565,932 km (0.11 R)
• M56: 17,702,066 km (0.045 R)
• M57: 17,906,865 km (0.1 R)
• M58: 18,009,489 km (0.11 R)
• M59: 18,456,787 km (0.081 R)
• M60: 18,664,429 km (0.114 R)
• M61: 19,643,696 km (0.085 R)
• M62: 20,389,143 km (0.068 R)
• M63: 21,180,067 km (0.119 R)
• M64: 21,506,489 km (0.048 R)
• M65: 21,761,553 km (0.054 R)
• M66: 21,944,362 km (0.099 R)
• M67: 22,569,831 km (0.079 R)
• M68: 23,574,979 km (0.097 R)
• M69: 23,762,724 km (0.114 R)
• M70: 24,480,794 km (0.099 R)
• M71: 25,513,468 km (0.079 R)
• M72: 25,783,492 km (0.104 R)
• M73: 25,860,834 km (0.079 R)
• M74: 25,938,326 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 9.4

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.83 AU - 8.35 AU

Year: 6729 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 23,044,295 km

• M1: 122,521 km (0.1 R)
• M2: 446,101 km (0.078 R)
• M3: 549,623 km (0.065 R)
• M4: 662,270 km (0.068 R)
• M5: 1,079,349 km (0.079 R)
• M6: 1,290,431 km (0.027 R)
• M7: 1,714,840 km (0.078 R)
• M8: 1,885,083 km (0.055 R)
• M9: 2,262,518 km (0.044 R)
• M10: 2,324,302 km (0.065 R)
• M11: 2,491,852 km (0.041 R)
• M12: 3,018,586 km (0.041 R)
• M13: 4,071,156 km (0.07 R)
• M14: 4,610,457 km (0.111 R)
• M15: 4,689,295 km (0.1 R)
• M16: 4,821,839 km (0.06 R)
• M17: 5,117,893 km (0.112 R)
• M18: 5,727,504 km (0.038 R)
• M19: 6,069,934 km (0.062 R)
• M20: 6,243,467 km (0.103 R)
• M21: 6,477,588 km (0.072 R)
• M22: 6,595,770 km (0.027 R)
• M23: 6,744,470 km (0.119 R)
• M24: 6,864,298 km (0.078 R)
• M25: 7,628,893 km (0.104 R)
• M26: 7,942,301 km (0.117 R)
• M27: 8,323,925 km (0.087 R)
• M28: 8,452,579 km (0.12 R)
• M29: 9,842,044 km (0.082 R)
• M30: 10,148,869 km (0.095 R)
• M31: 10,217,535 km (0.114 R)
• M32: 10,493,692 km (0.091 R)
• M33: 10,947,572 km (0.075 R)
• M34: 11,053,188 km (0.116 R)
• M35: 11,123,798 km (0.1 R)
• M36: 12,420,812 km (0.097 R)
• M37: 13,236,719 km (0.119 R)
• M38: 13,993,534 km (0.086 R)
• M39: 14,069,979 km (0.099 R)
• M40: 14,531,638 km (0.118 R)
• M41: 15,430,422 km (0.101 R)
• M42: 15,946,385 km (0.087 R)
• M43: 16,106,305 km (0.083 R)
• M44: 16,710,531 km (0.084 R)
• M45: 16,872,994 km (0.048 R)
• M46: 17,486,794 km (0.087 R)
• M47: 17,692,940 km (0.107 R)
• M48: 18,149,513 km (0.072 R)
• M49: 18,651,863 km (0.11 R)
• M50: 18,736,086 km (0.101 R)
• M51: 19,371,578 km (0.114 R)
• M52: 19,456,849 km (0.118 R)
• M53: 19,756,194 km (0.061 R)
• M54: 19,927,932 km (0.1 R)
• M55: 20,619,972 km (0.077 R)
• M56: 21,496,167 km (0.084 R)
• M57: 21,849,966 km (0.113 R)
• M58: 21,983,258 km (0.09 R)
• M59: 22,116,699 km (0.089 R)
• M60: 24,242,634 km (0.078 R)
• M61: 24,610,944 km (0.092 R)
• M62: 24,703,246 km (0.119 R)
• M63: 24,934,674 km (0.047 R)
• M64: 25,073,950 km (0.101 R)
• M65: 25,726,944 km (0.04 R)
• M66: 26,055,611 km (0.027 R)
• M67: 26,244,104 km (0.108 R)
• M68: 26,811,978 km (0.097 R)
• M69: 28,929,087 km (0.079 R)
• M70: 29,075,393 km (0.092 R)
• M71: 29,859,735 km (0.101 R)
• M72: 30,502,258 km (0.067 R)
• M73: 31,149,269 km (0.092 R)
• M74: 31,700,238 km (0.109 R)
• M75: 32,203,934 km (0.083 R)
• M76: 32,507,468 km (0.089 R)
• M77: 32,659,609 km (0.12 R)
• M78: 32,761,186 km (0.074 R)
• M79: 34,090,662 km (0.101 R)
• M80: 34,400,030 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 12.4

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.16 AU - 7.44 AU

Year: 7030 Days

Day: 11.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 23,044,295 km

• M1: 157,975 km (0.119 R)
• M2: 304,132 km (0.103 R)
• M3: 394,938 km (0.065 R)
• M4: 569,070 km (0.085 R)
• M5: 835,055 km (0.116 R)
• M6: 1,190,201 km (0.077 R)
• M7: 1,340,397 km (0.05 R)
• M8: 2,278,824 km (0.118 R)
• M9: 2,795,236 km (0.109 R)
• M10: 3,491,315 km (0.063 R)
• M11: 3,692,075 km (0.1 R)
• M12: 4,336,693 km (0.091 R)
• M13: 5,326,731 km (0.047 R)
• M14: 5,601,094 km (0.073 R)
• M15: 6,812,238 km (0.118 R)
• M16: 7,156,313 km (0.069 R)
• M17: 7,718,801 km (0.102 R)
• M18: 8,222,797 km (0.112 R)
• M19: 8,491,026 km (0.115 R)
• M20: 8,836,746 km (0.091 R)
• M21: 8,961,212 km (0.049 R)
• M22: 9,262,651 km (0.077 R)
• M23: 9,669,707 km (0.108 R)
• M24: 9,952,896 km (0.077 R)
• M25: 10,845,846 km (0.087 R)
• M26: 11,654,871 km (0.109 R)
• M27: 12,039,188 km (0.114 R)
• M28: 12,848,363 km (0.063 R)
• M29: 13,018,007 km (0.052 R)
• M30: 15,290,099 km (0.06 R)
• M31: 15,590,342 km (0.104 R)
• M32: 15,952,967 km (0.039 R)
• M33: 17,213,329 km (0.046 R)
• M34: 17,525,540 km (0.09 R)
• M35: 18,473,542 km (0.07 R)
• M36: 18,633,163 km (0.1 R)
• M37: 18,985,915 km (0.106 R)
• M38: 19,991,960 km (0.06 R)
• M39: 21,215,521 km (0.093 R)

Kuiper Belt

Range: 30.8 - 47.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 14,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit